Nonparametric regression analysis of historic flow and rainfall data was used to estimate declining flows in a river draining a large spring complex in northern Florida, USA. The analysis indicated that flow declined by an estimated 23 percent from 1900 to 2009. The rate of decline appeared to increase over time, from about 0.8 cubic foot per second per year during the period from 1930-1970, to about 1.1 cubic feet per second per year over the period from 1970-2009. The estimated decline for the period prior to 1980 is consistent with evidence indicating groundwater withdrawals to the east of the study area have diverted groundwater that formerly flowed toward the Ichetucknee River under predevelopment conditions.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"U.S. Geological Survey Karst Interest Group proceedings","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"U.S. Geological Survey Karst Interest Group proceedings","conferenceDate":"April 26-29 2011","conferenceLocation":"Fayetteville, Arkansas","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Grubbs, J.W., 2011, Analysis of long-term trends in flow from a large spring complex in northern Florida, in U.S. Geological Survey Karst Interest Group proceedings, v. 2011-5031, Fayetteville, Arkansas, April 26-29 2011, p. 160-167.","productDescription":"8 p.","startPage":"160","endPage":"167","numberOfPages":"8","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-028516","costCenters":[{"id":5052,"text":"FLWSC-Tallahassee","active":true,"usgs":true}],"links":[{"id":307071,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307069,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2011/5031/"}],"country":"United States","state":"Florida","otherGeospatial":"Ichetucknee River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -83.155517578125,\n 28.969700808694157\n ],\n [\n -81.573486328125,\n 28.969700808694157\n ],\n [\n -81.573486328125,\n 30.211608223816906\n ],\n [\n -83.155517578125,\n 30.211608223816906\n ],\n [\n -83.155517578125,\n 28.969700808694157\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"2011-5031","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55d6fa30e4b0518e3546bc2a","contributors":{"editors":[{"text":"Kuniansky, Eve L. 0000-0002-5581-0225 elkunian@usgs.gov","orcid":"https://orcid.org/0000-0002-5581-0225","contributorId":932,"corporation":false,"usgs":true,"family":"Kuniansky","given":"Eve","email":"elkunian@usgs.gov","middleInitial":"L.","affiliations":[{"id":5064,"text":"Southeast Regional Director's Office","active":true,"usgs":true},{"id":509,"text":"Office of the Associate Director for Water","active":true,"usgs":true}],"preferred":true,"id":569047,"contributorType":{"id":2,"text":"Editors"},"rank":1}],"authors":[{"text":"Grubbs, Jack W.","contributorId":93142,"corporation":false,"usgs":true,"family":"Grubbs","given":"Jack","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":569046,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":99176,"text":"ofr20111074 - 2011 - Groundwater quality in the Eastern Lake Ontario Basin, New York, 2008","interactions":[],"lastModifiedDate":"2021-11-03T18:18:39.31246","indexId":"ofr20111074","displayToPublicDate":"2011-04-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2011-1074","title":"Groundwater quality in the Eastern Lake Ontario Basin, New York, 2008","docAbstract":"Water samples were collected from nine production wells and nine private residential wells in the Eastern Lake Ontario Basin of New York from August through October 2008 and analyzed to characterize the chemical quality of groundwater. The wells were selected to provide adequate spatial coverage of the 3,225-square-mile study area; areas of greatest groundwater use were emphasized. Eight of the 18 wells sampled, were screened in sand and gravel aquifers, and 10 were finished in bedrock aquifers. The samples were collected and processed by standard U.S. Geological Survey procedures and were analyzed for 223 physical properties and constituents, including major ions, nutrients, trace elements, radon-222, pesticides, volatile organic compounds (VOCs), and indicator bacteria.\r\nWater quality in the study area is generally good, but concentrations of some constituents exceeded current or proposed Federal or New York State drinking-water standards; these were: color (2 samples), pH (1 sample), sodium (5 samples), chloride (1 sample), aluminum (2 samples), iron (5 unfiltered samples), manganese (3 samples), radon-222 (13 samples), and bacteria (4 samples). Dissolved-oxygen concentrations in samples from wells finished in sand and gravel [median 3.8 milligrams per liter (mg/L)] were greater than those from wells finished in bedrock (median less than 0.7 mg/L). The pH of all samples was typically neutral or slightly basic (median 7.4); the median water temperature was 11.3 degrees Celsius. The ions with the highest concentrations were bicarbonate (median 174 mg/L) and calcium (median 24.1 mg/L). Groundwater in the basin ranges from soft to moderately hard [less than or equal to 120 mg/L as CaCO3] and median hardness was 90 mg/L as CaCO3. Concentrations of nitrate plus nitrite in samples from sand and gravel wells (median concentration 0.42 mg/L as nitrogen) were generally higher than those in samples from bedrock wells (median <0.04 mg/L as nitrogen). The trace elements with the highest concentrations were strontium [median 138 micrograms per liter (mug/L)], barium (median 38.2 mug/L) and iron (median 44 mug/L). Radon-222 activities were generally high [median 500 picocuries per liter (pCi/L)]; 72 percent of all samples exceeded a proposed U.S. Environmental Protection Agency (USEPA) drinking-water standard of 300 pCi/L. Five pesticides and pesticide degradates were detected among 6 samples at concentrations of 0.03 mug/L or less; most were herbicides or their degradates. Six VOCs were detected among 9 samples at concentrations of 1.2 mug/L or less; these included 3 trihalomethanes, benzene, toluene, and xylenes. Total coliform bacteria were detected in 3 samples, and the heterotrophic plate count exceeded the USEPA maximum contaminant level (MCL) of 500 colony forming units in one sample. Fecal coliform bacteria, including Escherichia coli, were not detected in any sample.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20111074","usgsCitation":"Risen, A.J., and Reddy, J.E., 2011, Groundwater quality in the Eastern Lake Ontario Basin, New York, 2008: U.S. Geological Survey Open-File Report 2011-1074, v, 32 p., https://doi.org/10.3133/ofr20111074.","productDescription":"v, 32 p.","onlineOnly":"N","additionalOnlineFiles":"N","temporalStart":"2008-08-01","temporalEnd":"2008-10-31","costCenters":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"links":[{"id":116276,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2011_1074.gif"},{"id":391331,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_95115.htm"},{"id":14589,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2011/1074/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"New York","otherGeospatial":"eastern Lake Ontario basin","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76.5,43.25 ], [ -76.5,44.5 ], [ -74.5,44.5 ], [ -74.5,43.25 ], [ -76.5,43.25 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a95e4b07f02db659982","contributors":{"authors":[{"text":"Risen, Amy J.","contributorId":88070,"corporation":false,"usgs":true,"family":"Risen","given":"Amy","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":307672,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reddy, James E. 0000-0002-6998-7267 jreddy@usgs.gov","orcid":"https://orcid.org/0000-0002-6998-7267","contributorId":1080,"corporation":false,"usgs":true,"family":"Reddy","given":"James","email":"jreddy@usgs.gov","middleInitial":"E.","affiliations":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":307671,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70176658,"text":"70176658 - 2011 - ‘Cape capture’: Geologic data and modeling results suggest the Holocene loss of a Carolina Cape","interactions":[],"lastModifiedDate":"2021-01-28T20:08:20.98403","indexId":"70176658","displayToPublicDate":"2011-04-01T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"‘Cape capture’: Geologic data and modeling results suggest the Holocene loss of a Carolina Cape","docAbstract":"For more than a century, the origin and evolution of the set of cuspate forelands known as the Carolina Capes—Hatteras, Lookout, Fear, and Romain—off the eastern coast of the United States have been discussed and debated. The consensus conceptual model is not only that these capes existed through much or all of the Holocene transgression, but also that their number has not changed. Here we describe bathymetric, lithologic, seismic, and chronologic data that suggest another cape may have existed between Capes Hatteras and Lookout during the early to middle Holocene. This cape likely formed at the distal end of the Neuse-Tar-Pamlico fluvial system during the early Holocene transgression, when this portion of the shelf was flooded ca. 9 cal (calibrated) kyr B.P., and was probably abandoned by ca. 4 cal kyr B.P., when the shoreline attained its present general configuration. Previously proposed mechanisms for cape formation suggest that the large-scale, rhythmic pattern of the Carolina Capes arose from a hydrodynamic template or the preexisting geologic framework. Numerical modeling, however, suggests that the number and spacing of capes can be dynamic, and that a coast can self-organize in response to a high-angle-wave instability in shoreline shape. In shoreline evolution model simulations, smaller cuspate forelands are subsumed by larger neighbors over millennial time scales through a process of ‘cape capture.’ The suggested former cape in Raleigh Bay represents the first interpreted geological evidence of dynamic abandonment suggested by the self-organization hypothesis. Cape capture may be a widespread process in coastal environments with large-scale rhythmic shoreline features; its preservation in the sedimentary record will vary according to geologic setting, physical processes, and sea-level history.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/G31641.1","usgsCitation":"Thieler, E.R., and Ashton, A.D., 2011, ‘Cape capture’: Geologic data and modeling results suggest the Holocene loss of a Carolina Cape: Geology, v. 39, no. 4, p. 339-342, https://doi.org/10.1130/G31641.1.","productDescription":"4 p.","startPage":"339","endPage":"342","ipdsId":"IP-023766","costCenters":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":328937,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Carolina","otherGeospatial":"Carolina capes","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -78.145751953125,\n 33.94335994657882\n ],\n [\n -75.1025390625,\n 33.94335994657882\n ],\n [\n -75.1025390625,\n 36.527294814546245\n ],\n [\n -78.145751953125,\n 36.527294814546245\n ],\n [\n -78.145751953125,\n 33.94335994657882\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"39","issue":"4","publishingServiceCenter":{"id":11,"text":"Pembroke PSC"},"noUsgsAuthors":false,"publicationDate":"2011-03-08","publicationStatus":"PW","scienceBaseUri":"57f7f5aae4b0bc0bec0a17b2","contributors":{"authors":[{"text":"Thieler, E. Robert 0000-0003-4311-9717 rthieler@usgs.gov","orcid":"https://orcid.org/0000-0003-4311-9717","contributorId":2488,"corporation":false,"usgs":true,"family":"Thieler","given":"E.","email":"rthieler@usgs.gov","middleInitial":"Robert","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":649513,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ashton, Andrew D.","contributorId":96970,"corporation":false,"usgs":true,"family":"Ashton","given":"Andrew","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":649514,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":9001428,"text":"sir20105219 - 2011 - Fluctuations in groundwater levels related to regional and local withdrawals in the fractured-bedrock groundwater system in northern Wake County, North Carolina, March 2008-February 2009","interactions":[],"lastModifiedDate":"2017-01-17T10:49:58","indexId":"sir20105219","displayToPublicDate":"2011-03-30T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-5219","title":"Fluctuations in groundwater levels related to regional and local withdrawals in the fractured-bedrock groundwater system in northern Wake County, North Carolina, March 2008-February 2009","docAbstract":"A study of dewatering of the fractured-bedrock aquifer in a localized area of east-central North Carolina was conducted from March 2008 through February 2009 to gain an understanding of why some privately owned wells and monitoring wells were intermittently dry. Although the study itself was localized in nature, the resulting water-resources data and information produced from the study will help enable resource managers to make sound water-supply and water-use decisions in similar crystalline-rock aquifer setting in parts of the Piedmont and Blue Ridge Physiographic Provinces. In June 2005, homeowners in a subdivision of approximately 11 homes on lots approximately 1 to 2 acres in size in an unincorporated area of Wake County, North Carolina, reported extremely low water pressure and temporarily dry wells during a brief period. This area of the State, which is in the Piedmont Physiographic Province, is undergoing rapid growth and development. Similar well conditions were reported again in July 2007. In an effort to evaluate aquifer conditions in the area of intermittent water loss, a study was begun in March 2008 to measure and monitor water levels and groundwater use. During the study period from March 2008 through February 2009, regular dewatering of the fractured-bedrock aquifer was documented with water levels in many wells ranging between 100 and 200 feet below land surface. Prior to this period, water levels from the 1980s through the late 1990s were reported to range from 15 to 50 feet below land surface. The study area includes three community wells and more than 30 private wells within a 2,000-foot radius of the dewatered private wells. Although groundwater levels were low, recovery was observed during periods of heavy rainfall, most likely a result of decreased withdrawals owing to less demand for irrigation purposes. Similar areal patterns of low groundwater levels were delineated during nine water-level measurement periods from March 2008 through February 2009. Correlation of groundwater-level distribution patterns with orientations of geologic structures obtained from surficial mapping, borehole geophysical measurements, and interpretation of fracture traces suggests two dominant trends striking north-south and N. 65 degrees W. A variation in overall response to groundwater withdrawals was noted in the continuous groundwater-level records for the monitored observation wells and dewatered private wells. The largest overall declines during the study period were observed in an observation well in which the water-level declined as much as 247 feet from mid-July through early August 2008, during a period of heavy usage. A private well had a water-level decline of about 94 feet during the same monitoring period. The large declines recorded in the observation well and the private well indicated a substantial temporary loss of storage in the fractured-bedrock aquifer near the wells, thus reducing the amount of water available to shallow wells in the area (those wells with total depths of about 300 feet), and resulting in temporary well failures until such time as the aquifer recovered.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20105219","collaboration":"Prepared in cooperation with Wake County Department of Environmental Services","usgsCitation":"Chapman, M.J., Almanaseer, N., McClenney, B., and Hinton, N., 2011, Fluctuations in groundwater levels related to regional and local withdrawals in the fractured-bedrock groundwater system in northern Wake County, North Carolina, March 2008-February 2009: U.S. Geological Survey Scientific Investigations Report 2010-5219, viii, 50 p.; Appendix, https://doi.org/10.3133/sir20105219.","productDescription":"viii, 50 p.; Appendix","numberOfPages":"60","additionalOnlineFiles":"N","temporalStart":"2008-03-01","temporalEnd":"2009-02-28","costCenters":[{"id":13634,"text":"South Atlantic Water Science Center","active":true,"usgs":true}],"links":[{"id":116271,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2010_5219.jpg"},{"id":19236,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2010/5219/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"North Carolina","county":"Wake County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-78.5465,36.0218],[-78.4307,35.9795],[-78.3969,35.9387],[-78.3567,35.9318],[-78.351,35.909],[-78.3385,35.9052],[-78.3347,35.8997],[-78.3302,35.896],[-78.3245,35.896],[-78.3177,35.8963],[-78.3137,35.8976],[-78.3081,35.8935],[-78.2948,35.8797],[-78.292,35.8792],[-78.2893,35.8741],[-78.2859,35.8713],[-78.2831,35.8681],[-78.2782,35.8631],[-78.2749,35.8567],[-78.2756,35.8494],[-78.2707,35.843],[-78.2657,35.8361],[-78.2652,35.8325],[-78.2613,35.8315],[-78.2591,35.826],[-78.2599,35.8183],[-78.3731,35.7523],[-78.4635,35.7072],[-78.4686,35.7087],[-78.4709,35.7078],[-78.4732,35.7046],[-78.4778,35.7011],[-78.5716,35.6255],[-78.708,35.5191],[-78.9196,35.5857],[-78.9956,35.6104],[-78.9796,35.6656],[-78.9439,35.7515],[-78.9421,35.756],[-78.9403,35.7615],[-78.9337,35.7859],[-78.9191,35.8216],[-78.9096,35.8506],[-78.9076,35.8678],[-78.89,35.8676],[-78.8298,35.8689],[-78.8056,35.9281],[-78.7609,35.9176],[-78.751,35.9307],[-78.7372,35.941],[-78.714,35.9729],[-78.7009,36.0068],[-78.6985,36.0131],[-78.7048,36.0091],[-78.7077,36.0087],[-78.7076,36.0132],[-78.7052,36.0223],[-78.7085,36.0287],[-78.7102,36.0287],[-78.713,36.0278],[-78.7164,36.0283],[-78.7232,36.0334],[-78.726,36.0343],[-78.7272,36.0334],[-78.7278,36.0289],[-78.7324,36.0267],[-78.7353,36.0199],[-78.7422,36.0209],[-78.75,36.026],[-78.7551,36.0283],[-78.7545,36.0301],[-78.7511,36.0323],[-78.7499,36.035],[-78.747,36.0395],[-78.7492,36.0427],[-78.7503,36.0468],[-78.7519,36.0491],[-78.7564,36.0532],[-78.7498,36.0718],[-78.7088,36.0768],[-78.6895,36.0752],[-78.5922,36.0378],[-78.5465,36.0218]]]},\"properties\":{\"name\":\"Wake\",\"state\":\"NC\"}}]}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d6e4b07f02db5de7ab","contributors":{"authors":[{"text":"Chapman, Melinda J. 0000-0003-4021-0320 mjchap@usgs.gov","orcid":"https://orcid.org/0000-0003-4021-0320","contributorId":1597,"corporation":false,"usgs":true,"family":"Chapman","given":"Melinda","email":"mjchap@usgs.gov","middleInitial":"J.","affiliations":[{"id":493,"text":"Office of Ground Water","active":true,"usgs":true},{"id":476,"text":"North Carolina Water Science Center","active":true,"usgs":true}],"preferred":true,"id":344459,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Almanaseer, Naser","contributorId":13732,"corporation":false,"usgs":true,"family":"Almanaseer","given":"Naser","email":"","affiliations":[],"preferred":false,"id":344460,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McClenney, Bryce","contributorId":18095,"corporation":false,"usgs":true,"family":"McClenney","given":"Bryce","email":"","affiliations":[],"preferred":false,"id":344461,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hinton, Natalie","contributorId":33035,"corporation":false,"usgs":true,"family":"Hinton","given":"Natalie","email":"","affiliations":[],"preferred":false,"id":344462,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":9001432,"text":"fs20113026 - 2011 - Seafloor erosional processes offshore of the Chandeleur Islands, Louisiana","interactions":[],"lastModifiedDate":"2017-08-29T13:26:56","indexId":"fs20113026","displayToPublicDate":"2011-03-30T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":313,"text":"Fact Sheet","code":"FS","onlineIssn":"2327-6932","printIssn":"2327-6916","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2011-3026","title":"Seafloor erosional processes offshore of the Chandeleur Islands, Louisiana","docAbstract":"The Chandeleur Islands are a chain of barrier islands that lies along the eastern side of the modern Mississippi River Delta plain. The island chain is located near the seaward edge of the relict St. Bernard Delta, the part of the Mississippi Delta that formed between approximately 4,000 and 2,000 years before present and was later abandoned as sedimentation shifted southward. After abandonment of the St. Bernard Delta, deposits were reworked, and the sandy component was shaped into the Chandeleur Islands. With continued subsidence, the islands became separated from their original delta headland sources and presently are isolated from the mainland by the shallow Chandeleur Sound. Newly acquired geophysical data and vibracores provide an opportunity to better understand the processes that are shaping seafloor morphology (i.e., shape, geometry, and structure of the seafloor) on the inner shelf adjacent to the Chandeleur Islands. The inner shelf offshore of the Chandeleur Islands was mapped in 2006 and 2007 using swath bathymetry, sidescan sonar, and high-resolution seismic-reflection techniques. The detailed results of this study were published in December 2009 (Twichell and others, 2009) as part of a special issue of Geo-Marine Letters that documents early results from the Northern Gulf of Mexico (NGOM) Ecosystem Change and Hazard Susceptibility Project. This study addresses questions and concerns related to limited sand resources along the Louisiana shelf and their implications to long-term relative sea-level rise and storm impacts.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20113026","collaboration":"Northern Gulf of Mexico (NGOM) Ecosystem Change and Hazard Susceptibility Project","usgsCitation":"Twichell, D.C., and Brock, J., 2011, Seafloor erosional processes offshore of the Chandeleur Islands, Louisiana: U.S. Geological Survey Fact Sheet 2011-3026, 2 p., https://doi.org/10.3133/fs20113026.","productDescription":"2 p.","additionalOnlineFiles":"N","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":116270,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/fs_2011_3026.jpg"},{"id":19240,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2011/3026/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Louisiana","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -90.5,29 ], [ -90.5,30.5 ], [ -88,30.5 ], [ -88,29 ], [ -90.5,29 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db673e31","contributors":{"authors":[{"text":"Twichell, David C.","contributorId":37730,"corporation":false,"usgs":true,"family":"Twichell","given":"David","email":"","middleInitial":"C.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":344471,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brock, John 0000-0002-5289-9332 jbrock@usgs.gov","orcid":"https://orcid.org/0000-0002-5289-9332","contributorId":2261,"corporation":false,"usgs":true,"family":"Brock","given":"John","email":"jbrock@usgs.gov","affiliations":[{"id":5061,"text":"National Cooperative Geologic Mapping and Landslide Hazards","active":true,"usgs":true}],"preferred":true,"id":344470,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70227299,"text":"70227299 - 2011 - A national-scale geochemical and mineralogical survey of soils of the conterminous United States","interactions":[],"lastModifiedDate":"2025-05-14T19:26:07.604274","indexId":"70227299","displayToPublicDate":"2011-03-26T11:26:02","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":835,"text":"Applied Geochemistry","active":true,"publicationSubtype":{"id":10}},"title":"A national-scale geochemical and mineralogical survey of soils of the conterminous United States","docAbstract":"In 2007, the US Geological Survey initiated a low-density (1 site per 1600 km2, c. 4800 sites) geochemical and mineralogical survey of soils of the conterminous USA. The ideal sampling protocol at each site includes a sample from 0–5 cm depth, a composite of the soil A horizon, and a sample from the soil C horizon. The <2-mm fraction of each sample is analyzed for Al, Ca, Fe, K, Mg, Na, S, Ti, Ag, Ba, Be, Bi, Cd, Ce, Co, Cr, Cs, Cu, Ga, In, La, Li, Mn, Mo, Nb, Ni, P, Pb, Rb, Sb, Sc, Sn, Sr, Te, Th, Tl, U, V, W, Y and Zn by inductively coupled plasma-mass spectrometry and inductively coupled plasma-atomic emission spectrometry following a near-total digestion in a mixture of HCl, HNO3, HClO4 and HF. Separate methods are used for As, Hg, Se and total C on this same size fraction. The major mineralogical components are determined by a quantitative X-ray diffraction method. Sampling was completed in 2010 with chemical and mineralogical analysis currently underway. Preliminary results for a swath from the central USA to Florida clearly show the effects of soil parent material and climate on the chemical and mineralogical composition of soils. A sample archive will be established and made available for future investigations.
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wcannon@usgs.gov","orcid":"https://orcid.org/0000-0002-2699-8118","contributorId":1883,"corporation":false,"usgs":true,"family":"Cannon","given":"William","email":"wcannon@usgs.gov","middleInitial":"F.","affiliations":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":830359,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Woodruff, Laurel G. 0000-0002-2514-9923 woodruff@usgs.gov","orcid":"https://orcid.org/0000-0002-2514-9923","contributorId":2224,"corporation":false,"usgs":true,"family":"Woodruff","given":"Laurel","email":"woodruff@usgs.gov","middleInitial":"G.","affiliations":[{"id":245,"text":"Eastern Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":830360,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":9001418,"text":"ofr20101319 - 2011 - The 1996-2009 borehole dilatometer installations, operation, and maintenance at sites in Long Valley Caldera, CA","interactions":[],"lastModifiedDate":"2022-08-29T21:25:58.671448","indexId":"ofr20101319","displayToPublicDate":"2011-03-24T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-1319","title":"The 1996-2009 borehole dilatometer installations, operation, and maintenance at sites in Long Valley Caldera, CA","docAbstract":"High seismicity levels with accelerating uplift (under the resurgent dome) in Long Valley caldera in the eastern Sierra Nevada from 1989 to 1997, triggered upgrades to dilational strainmeters and other instrumentation installed in the early 1980's following a series of magnitude 6 earthquakes. This included two additional high-resolution borehole strainmeters and replacement of the failed strainmeter at Devil's Postpile. The purpose of the borehole-monitoring network is to monitor crustal deformation and other geophysical parameters associated with volcanic intrusions and earthquakes in the Long Valley Caldera. Additional instrumentation was added at these sites to improve the capability of providing continuous monitoring of the magma source under the resurgent dome. Sites were selected in regions of hard crystalline rock, where the expected signals from magmatic activity were calculated to be a maximum and the probability of an earthquake of magnitude 4 or greater is large. For the most part, the dilatometers were installed near existing arrays of surface tiltmeters, seismometers, level line, and GPS arrays. At each site, attempts are made to separate tectonic and volcanic signals from known noise sources in each instrument type.\r\n\r\nEach of these sites was planned to be a multi-parameter monitoring site, which included measurements of 3-component seismic velocity and acceleration, borehole strain, tilt, pore pressure and magnetic field. Using seismicity, geophysical knowledge, geologic and topographic maps, and geologists recommendations, lists of preliminary sites were chosen. Additional requirements were access, and telemetry constraints. When the final site choice was made, a permit was obtained from the U.S. Forest Service.\r\n\r\nFollowing this selection process, two new borehole sites were installed on the north and south side of the Long Valley Caldera in June of 1999. One site was located near Big Spring Campground to the east of Crestview. The second site was located at the Motocross Track (near Old Mammoth) in the South Moat. This report describes the methods used to install these strainmeters and various other types of borehole instruments at these sites together with the site at Devil's Postpile and telemeter the data obtained to the USGS base in Menlo Park, Calif.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20101319","usgsCitation":"Myren, G., Johnston, M., and Mueller, R., 2011, The 1996-2009 borehole dilatometer installations, operation, and maintenance at sites in Long Valley Caldera, CA: U.S. Geological Survey Open-File Report 2010-1319, iii, 159 p., https://doi.org/10.3133/ofr20101319.","productDescription":"iii, 159 p.","onlineOnly":"Y","additionalOnlineFiles":"N","temporalStart":"1996-01-01","temporalEnd":"2009-12-31","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":116293,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2010_1319.gif"},{"id":405848,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_95079.htm","linkFileType":{"id":5,"text":"html"}},{"id":14567,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2010/1319/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"California","otherGeospatial":"Long Valley Caldera","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -119.0839,\n 37.6167\n ],\n [\n -118.9439,\n 37.6167\n ],\n [\n -118.9439,\n 37.7619\n ],\n [\n -119.0839,\n 37.7619\n ],\n [\n -119.0839,\n 37.6167\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad5e4b07f02db6835b0","contributors":{"authors":[{"text":"Myren, Glenn","contributorId":91610,"corporation":false,"usgs":true,"family":"Myren","given":"Glenn","email":"","affiliations":[],"preferred":false,"id":344441,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Johnston, Malcolm","contributorId":34512,"corporation":false,"usgs":true,"family":"Johnston","given":"Malcolm","affiliations":[],"preferred":false,"id":344440,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mueller, Robert","contributorId":106917,"corporation":false,"usgs":true,"family":"Mueller","given":"Robert","affiliations":[],"preferred":false,"id":344442,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":9001417,"text":"ofr20101320 - 2011 - Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields","interactions":[{"subject":{"id":23007,"text":"ofr00221 - 2005 - Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields","indexId":"ofr00221","publicationYear":"2005","noYear":false,"title":"Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields"},"predicate":"SUPERSEDED_BY","object":{"id":9001417,"text":"ofr20101320 - 2011 - Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields","indexId":"ofr20101320","publicationYear":"2011","noYear":false,"title":"Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields"},"id":1}],"lastModifiedDate":"2012-02-02T00:15:54","indexId":"ofr20101320","displayToPublicDate":"2011-03-24T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-1320","title":"Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields","docAbstract":"On May 25-27, 1980, Long Valley caldera was rocked by four M=6 earthquakes that heralded the onset of a wave of seismic activity within the caldera which has continued through the present. Unrest has taken the form of seismic swarms, uplift of the resurgent dome, and areas of vegetation killed by increased CO2 emissions, all interpreted as resulting from magma injection into different levels beneath the caldera, as well as beneath Mammoth Mountain along the southwest rim of the caldera. Continuing economic development in the Mammoth Lakes area has swelled the local population, increasing the risk to people and property if an eruption were to occur. The U.S. Geological Survey (USGS) has been monitoring geophysical activity in the Long Valley area since the mid-1970s and continues to track the unrest in real time with a sophisticated network of geophysical sensors. Hazards information obtained by this monitoring is provided to local, State, and Federal officials and to the public through the Long Valley Observatory. The Long Valley area also was scientifically important before the onset of current unrest. Lying at the eastern foot of the Sierra Nevada, the deposits from this active volcanic system have provided fertile ground for research into Neogene tectonics, Quaternary geology and geomorphology, regional stratigraphy, and volcanology. In the early 1970s, intensive studies of the area began through the USGS Geothermal Investigations Program, owing to the presence of a large young silicic volcanic system. The paroxysmal eruption of Long Valley caldera about 760,000 years ago produced the Bishop Tuff and associated Bishop ash. The Bishop Tuff is a well-preserved ignimbrite deposit that has continued to provide new and developing insights into the dynamics of ignimbrite-forming eruptions. Another extremely important aspect of the Bishop Tuff is that it is the oldest known normally magnetized unit of the Brunhes Chron. Thus, the age of the Bishop Tuff is used to define the beginning of the Brunhes Chron and helps constrain the Brunhes-Matuyama boundary. The Bishop ash, which was dispersed as far east as Nebraska, Kansas, and Texas, provides an important tephrostratigraphic marker throughout the Western United States. The obsidian domes of both the Mono and Inyo Craters, which were produced by rhyolitic eruptions in the past 40,000 years, have been well studied, including extensive scientific drilling through the domes. Exploratory drilling to 3-km depth on the resurgent dome and subsequent instrumentation of the Long Valley Exploratory Well (LVEW) have led to a number of important new insights. Scientific drilling also has been done within the Casa Diablo geothermal field, which, aside from drilling, has been commercially developed and is currently feeding 40 MW of power into the Southern California Edison grid. Studies in all the above-mentioned volcanic fields have contributed to the extensive scientific literature published on the Long Valley region. Although most of this scientific literature has been published since 1970, a significant amount of historical literature extends backward to the late 1800s. The purpose of this bibliography is to compile references pertaining to the Long Valley region from all time periods and all Earth science fields into a single listing, thus providing an easily accessible guide to the published literature for current and future researchers.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ofr20101320","collaboration":"This report supersedes\r\nEwert, John W., Harpel, Christopher J., and Brooks, Suzanna K., 2005, Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields: U.S. Geological Survey Open-File Report 00-221, version 1.1\r\nand\r\nEwert, John W., and Harpel, Christopher J., 2000, Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields: U.S. Geological Survey Open-File Report 00-221, version 1.0 ","usgsCitation":"Ewert, J.W., Harpel, C.J., Brooks, S.K., and Marcaida, M., 2011, Bibliography of literature pertaining to Long Valley Caldera and associated volcanic fields: U.S. Geological Survey Open-File Report 2010-1320, iii, 146 p.; Endnote database zip file, https://doi.org/10.3133/ofr20101320.","productDescription":"iii, 146 p.; Endnote database zip file","numberOfPages":"146","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":116292,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2010_1320.gif"},{"id":19230,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/2010/1320/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4de4b07f02db626f1d","contributors":{"authors":[{"text":"Ewert, John W. 0000-0003-2819-4057 jwewert@usgs.gov","orcid":"https://orcid.org/0000-0003-2819-4057","contributorId":642,"corporation":false,"usgs":true,"family":"Ewert","given":"John","email":"jwewert@usgs.gov","middleInitial":"W.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":344436,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harpel, Christopher J. 0000-0001-8587-7845 charpel@usgs.gov","orcid":"https://orcid.org/0000-0001-8587-7845","contributorId":4457,"corporation":false,"usgs":true,"family":"Harpel","given":"Christopher","email":"charpel@usgs.gov","middleInitial":"J.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":344437,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brooks, Suzanna K.","contributorId":77183,"corporation":false,"usgs":true,"family":"Brooks","given":"Suzanna","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":344439,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marcaida, Mae mmarcaida@usgs.gov","contributorId":5345,"corporation":false,"usgs":true,"family":"Marcaida","given":"Mae","email":"mmarcaida@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":344438,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70198341,"text":"70198341 - 2011 - Spatiotemporal evolution of dike opening and décollement slip at Kīlauea Volcano, Hawai'i","interactions":[],"lastModifiedDate":"2018-08-07T10:10:08","indexId":"70198341","displayToPublicDate":"2011-03-23T07:52:52","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2314,"text":"Journal of Geophysical Research B: Solid Earth","active":true,"publicationSubtype":{"id":10}},"subseriesTitle":"Geodesy and Gravity/Tectonophysics","title":"Spatiotemporal evolution of dike opening and décollement slip at Kīlauea Volcano, Hawai'i","docAbstract":"Rapid changes in ground tilt and GPS positions on Kīlauea Volcano, Hawai'i, are interpreted as resulting from a shallow, two‐segment dike intrusion into the east rift zone that began at 1217 UTC (0217 HST) on 17 June 2007 and lasted almost 3 days. As a result of the intrusion, a very small volume of basalt (about 1500 m3) erupted on 19 June. Northward tilt at a coastal tiltmeter, subsidence of south flank GPS sites, southeastward displacements at southwestern flank GPS sites, and a swarm of flank earthquakes suggest that a slow slip event occurred on the décollement beneath Kīlauea's south flank concurrent with the rift intrusion. We use 4 min GPS positions that include estimates of time‐dependent tropospheric gradients and ground tilt data to study the spatial and temporal relationships between the two inferred shallow, steeply dipping dike segments extending from the surface to about 2 km depth and décollement slip at 8 km depth. We invert for the temporal evolution of distributed dike opening and décollement slip in independent inversions at each time step using a nonnegative least squares algorithm. On the basis of these inversions, the intrusion occurred in two stages that correspond spatially and temporally with concentrated rift zone seismicity. The dike opening began on the western of the two segments before jumping to the eastern segment, where the majority of opening accumulated. Dike opening preceded the start of décollement slip at an 84% confidence level; the latter is indicated by the onset of northward tilt of a coastal tiltmeter. Displacements at southwest flank GPS sites began about 18 h later and are interpreted as resulting from slow slip on the southwestern flank. Additional constraints on the evolution of the intrusion and décollement slip come from inversion of an Envisat interferogram that spans the intrusion until 0822 UTC on 18 June 2007, combined with GPS and tilt data. This inversion shows that up to 0822 UTC on 18 June, décollement slip is only required in a limited region offshore of Ka'ena Point. A similar inversion of the complete event, which includes GPS and tilt data up to 21 June and a second Envisat interferogram spanning the complete intrusion until 21 June, shows décollement slip spread westward across the south flank. This may suggest westward migration of the décollement slip as the event progressed.
","language":"English","publisher":"AGU","doi":"10.1029/2010JB007762","usgsCitation":"Montgomery-Brown, E.K., Sinnett, D.K., Larson, K., Poland, M., Segall, P., and Miklius, A., 2011, Spatiotemporal evolution of dike opening and décollement slip at Kīlauea Volcano, Hawai'i: Journal of Geophysical Research B: Solid Earth, v. 116, no. B3, B03401; 14 p., https://doi.org/10.1029/2010JB007762.","productDescription":"B03401; 14 p.","costCenters":[{"id":336,"text":"Hawaiian Volcano Observatory","active":false,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":475018,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2010jb007762","text":"Publisher Index Page"},{"id":356174,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Kilauea Volcano","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -155.33333333333334,19.166666666666668 ], [ -155.33333333333334,19.5 ], [ -154.75,19.5 ], [ -154.75,19.166666666666668 ], [ -155.33333333333334,19.166666666666668 ] ] ] } } ] }","volume":"116","issue":"B3","noUsgsAuthors":false,"publicationDate":"2011-03-23","publicationStatus":"PW","scienceBaseUri":"5b98b45ae4b0702d0e844b0d","contributors":{"authors":[{"text":"Montgomery-Brown, Emily K. emontgomery-brown@usgs.gov","contributorId":5300,"corporation":false,"usgs":true,"family":"Montgomery-Brown","given":"Emily","email":"emontgomery-brown@usgs.gov","middleInitial":"K.","affiliations":[],"preferred":false,"id":741142,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sinnett, D. K.","contributorId":16680,"corporation":false,"usgs":false,"family":"Sinnett","given":"D.","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":741143,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Larson, K.M.","contributorId":84949,"corporation":false,"usgs":true,"family":"Larson","given":"K.M.","email":"","affiliations":[],"preferred":false,"id":741144,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Poland, Michael P. 0000-0001-5240-6123 mpoland@usgs.gov","orcid":"https://orcid.org/0000-0001-5240-6123","contributorId":635,"corporation":false,"usgs":true,"family":"Poland","given":"Michael P.","email":"mpoland@usgs.gov","affiliations":[{"id":336,"text":"Hawaiian Volcano Observatory","active":false,"usgs":true}],"preferred":false,"id":741145,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Segall, P.","contributorId":44231,"corporation":false,"usgs":false,"family":"Segall","given":"P.","affiliations":[],"preferred":false,"id":741146,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Miklius, Asta 0000-0002-2286-1886 asta@usgs.gov","orcid":"https://orcid.org/0000-0002-2286-1886","contributorId":2060,"corporation":false,"usgs":true,"family":"Miklius","given":"Asta","email":"asta@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":741147,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":99109,"text":"sir20115013 - 2011 - Arsenic and uranium in water from private wells completed in bedrock of east-central Massachusetts: Concentrations, correlations with bedrock units, and estimated probability maps","interactions":[],"lastModifiedDate":"2024-01-12T21:04:12.02059","indexId":"sir20115013","displayToPublicDate":"2011-03-22T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2011-5013","title":"Arsenic and uranium in water from private wells completed in bedrock of east-central Massachusetts: Concentrations, correlations with bedrock units, and estimated probability maps","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20115013","collaboration":"Prepared in cooperation with the\r\nMassachusetts Department of Environmental Protection and the\r\nMassachusetts Department of Public Health","usgsCitation":"Colman, J.A., 2011, Arsenic and uranium in water from private wells completed in bedrock of east-central Massachusetts: Concentrations, correlations with bedrock units, and estimated probability maps: U.S. Geological Survey Scientific Investigations Report 2011-5013, vi, 112 p., https://doi.org/10.3133/sir20115013.","productDescription":"vi, 112 p.","additionalOnlineFiles":"N","costCenters":[{"id":377,"text":"Massachusetts-Rhode Island Water Science Center","active":false,"usgs":true}],"links":[{"id":424391,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_95081.htm","linkFileType":{"id":5,"text":"html"}},{"id":14560,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2011/5013/","linkFileType":{"id":5,"text":"html"}},{"id":116613,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2011_5013.bmp"}],"scale":"250000","country":"United States","state":"Massachusetts","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -72.1894,\n 42.8889\n ],\n [\n -72.1894,\n 42.0222\n ],\n [\n -70.7944,\n 42.0222\n ],\n [\n -70.7944,\n 42.8889\n ],\n [\n -72.1894,\n 42.8889\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abce4b07f02db672dc0","contributors":{"authors":[{"text":"Colman, John A. 0000-0001-9327-0779 jacolman@usgs.gov","orcid":"https://orcid.org/0000-0001-9327-0779","contributorId":2098,"corporation":false,"usgs":true,"family":"Colman","given":"John","email":"jacolman@usgs.gov","middleInitial":"A.","affiliations":[{"id":376,"text":"Massachusetts Water Science Center","active":true,"usgs":true},{"id":466,"text":"New England Water Science Center","active":true,"usgs":true}],"preferred":true,"id":307588,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":99103,"text":"ds69X - 2011 - Geologic assessment of undiscovered hydrocarbon resources of the Western Oregon and Washington Province","interactions":[],"lastModifiedDate":"2012-02-02T00:15:52","indexId":"ds69X","displayToPublicDate":"2011-03-18T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"69","chapter":"X","title":"Geologic assessment of undiscovered hydrocarbon resources of the Western Oregon and Washington Province","docAbstract":"The purpose of the U.S. Geological Survey (USGS) National Oil and Gas Assessment is to develop geology-based hypotheses regarding the potential for additions to oil and gas reserves in priority areas of the United States, focusing on the distribution, quantity, and availability of oil and natural gas resources. The USGS has completed an assessment of the undiscovered, technically recoverable oil and gas resources in western Oregon and Washington (USGS Western Oregon and Washington Province 5004). The province includes all of Oregon and Washington north of the Klamath Mountains and west of the crest of the Cascade Range, and extends offshore to the 3-mi limit of State waters on the west and to the International Boundary in the Straits of Juan de Fuca and Canada on the north. It measures about 450 mi north-south and 50 to 160 mi east-west, encompassing more than 51,000 mi2.\r\n\r\nThe assessment of the Western Oregon and Washington Province is geology based and used the total petroleum system (TPS) concept. The geologic elements of a TPS include hydrocarbon source rocks (source rock maturation and hydrocarbon generation and migration), reservoir rocks (quality and distribution), and traps for hydrocarbon accumulation. Using these geologic criteria, two conventional and one unconventional (continuous) total petroleum systems were defined, with one assessment unit (AU) in each TPS: (1) the Cretaceous-Tertiary Composite TPS and the Western Oregon and Washington Conventional Gas AU, (2) the Tertiary Marine TPS and the Tertiary-Marine Gas AU, and (3) the Tertiary Coalbed Gas TPS and the Eocene Coalbed Gas AU, in which a cell-based methodology was used to estimate coalbed-gas resources. ","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ds69X","usgsCitation":"U.S. Geologic Survey Western Oregon and Washington Province Team, Brownfield, M.E., Charpentier, R., Cook, T.A., Klett, T., Pollastro, R.M., Schenk, C.J., Le, P., and GIS Spatial Data Team, 2011, Geologic assessment of undiscovered hydrocarbon resources of the Western Oregon and Washington Province: U.S. Geological Survey Data Series 69, HTML site and CD-ROM; ReadMe file; Chapter 1; Chapter 2; Chapter 3; Chapter 4; Spatial Data, https://doi.org/10.3133/ds69X.","productDescription":"HTML site and CD-ROM; ReadMe file; Chapter 1; Chapter 2; Chapter 3; Chapter 4; Spatial Data","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[{"id":514,"text":"Oil Shale Assessment Team","active":false,"usgs":true}],"links":[{"id":116975,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ds_69_x.png"},{"id":14554,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/dds/dds-069/dds-069-x/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a4d4f","contributors":{"authors":[{"text":"U.S. Geologic Survey Western Oregon and Washington Province Team","contributorId":128285,"corporation":true,"usgs":false,"organization":"U.S. Geologic Survey Western Oregon and Washington Province Team","id":535048,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brownfield, Michael E. 0000-0003-3633-1138 mbrownfield@usgs.gov","orcid":"https://orcid.org/0000-0003-3633-1138","contributorId":1548,"corporation":false,"usgs":true,"family":"Brownfield","given":"Michael","email":"mbrownfield@usgs.gov","middleInitial":"E.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":307572,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Charpentier, Ronald R. charpentier@usgs.gov","contributorId":934,"corporation":false,"usgs":true,"family":"Charpentier","given":"Ronald R.","email":"charpentier@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":307571,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Cook, Troy A.","contributorId":52519,"corporation":false,"usgs":true,"family":"Cook","given":"Troy","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":307574,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Klett, Timothy R. 0000-0001-9779-1168 tklett@usgs.gov","orcid":"https://orcid.org/0000-0001-9779-1168","contributorId":709,"corporation":false,"usgs":true,"family":"Klett","given":"Timothy R.","email":"tklett@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":false,"id":307569,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Pollastro, Richard M.","contributorId":25100,"corporation":false,"usgs":true,"family":"Pollastro","given":"Richard","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":307573,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Schenk, Christopher J. 0000-0002-0248-7305 schenk@usgs.gov","orcid":"https://orcid.org/0000-0002-0248-7305","contributorId":826,"corporation":false,"usgs":true,"family":"Schenk","given":"Christopher","email":"schenk@usgs.gov","middleInitial":"J.","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":307570,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Le, P. A. 0000-0003-2477-509X","orcid":"https://orcid.org/0000-0003-2477-509X","contributorId":64737,"corporation":false,"usgs":true,"family":"Le","given":"P. A.","affiliations":[],"preferred":false,"id":307575,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"GIS Spatial Data Team","contributorId":128232,"corporation":true,"usgs":false,"organization":"GIS Spatial Data Team","id":535047,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":99100,"text":"sim2927 - 2011 - Geologic map of Medicine Lake volcano, northern California","interactions":[],"lastModifiedDate":"2023-01-17T19:33:33.762105","indexId":"sim2927","displayToPublicDate":"2011-03-17T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":333,"text":"Scientific Investigations Map","code":"SIM","onlineIssn":"2329-132X","printIssn":"2329-1311","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2927","title":"Geologic map of Medicine Lake volcano, northern California","docAbstract":"Medicine Lake volcano forms a broad, seemingly nondescript highland, as viewed from any angle on the ground. Seen from an airplane, however, treeless lava flows are scattered across the surface of this potentially active volcanic edifice. Lavas of Medicine Lake volcano, which range in composition from basalt through rhyolite, cover more than 2,000 km2 east of the main axis of the Cascade Range in northern California. Across the Cascade Range axis to the west-southwest is Mount Shasta, its towering volcanic neighbor, whose stratocone shape contrasts with the broad shield shape of Medicine Lake volcano. Hidden in the center of Medicine Lake volcano is a 7 km by 12 km summit caldera in which nestles its namesake, Medicine Lake. The flanks of Medicine Lake volcano, which are dotted with cinder cones, slope gently upward to the caldera rim, which reaches an elevation of nearly 8,000 ft (2,440 m). The maximum extent of lavas from this half-million-year-old volcano is about 80 km north-south by 45 km east-west. In postglacial time, 17 eruptions have added approximately 7.5 km3 to its total estimated volume of 600 km3, and it is considered to be the largest by volume among volcanoes of the Cascades arc. The volcano has erupted nine times in the past 5,200 years, a rate more frequent than has been documented at all other Cascades arc volcanoes except Mount St. Helens.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sim2927","usgsCitation":"Donnelly-Nolan, J.M., 2011, Geologic map of Medicine Lake volcano, northern California: U.S. Geological Survey Scientific Investigations Map 2927, Pamphlet: ii, 48 p.; 2 Sheets: 58.0 x 41.3 inches and 58.0 x 40.5 inches; Database, https://doi.org/10.3133/sim2927.","productDescription":"Pamphlet: ii, 48 p.; 2 Sheets: 58.0 x 41.3 inches and 58.0 x 40.5 inches; Database","onlineOnly":"Y","additionalOnlineFiles":"Y","costCenters":[{"id":619,"text":"Volcano Science Center-Menlo Park","active":false,"usgs":true}],"links":[{"id":116972,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sim_2927.jpg"},{"id":338950,"rank":5,"type":{"id":9,"text":"Database"},"url":"https://pubs.usgs.gov/sim/2927/sim2927_data/","text":"Database site"},{"id":338949,"rank":4,"type":{"id":26,"text":"Sheet"},"url":"https://pubs.usgs.gov/sim/2927/sim2927_sheet2.pdf","text":"Sheet 2","linkFileType":{"id":1,"text":"pdf"}},{"id":338948,"rank":3,"type":{"id":26,"text":"Sheet"},"url":"https://pubs.usgs.gov/sim/2927/sim2927_sheet1.pdf","text":"Sheet 1","linkFileType":{"id":1,"text":"pdf"}},{"id":338947,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sim/2927/sim2927_pamphlet.pdf","text":"Pamphlet","linkFileType":{"id":1,"text":"pdf"}},{"id":14552,"rank":6,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sim/2927/","linkFileType":{"id":5,"text":"html"}},{"id":411977,"rank":7,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_95057.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"50000","country":"United States","state":"California","otherGeospatial":"Medicine Lake Volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.8161,\n 41.0036\n ],\n [\n -121.8161,\n 41.8883\n ],\n [\n -121.25,\n 41.8883\n ],\n [\n -121.25,\n 41.0036\n ],\n [\n -121.8161,\n 41.0036\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0be4b07f02db69d93c","contributors":{"authors":[{"text":"Donnelly-Nolan, Julie M. 0000-0001-8714-9606 jdnolan@usgs.gov","orcid":"https://orcid.org/0000-0001-8714-9606","contributorId":3271,"corporation":false,"usgs":true,"family":"Donnelly-Nolan","given":"Julie","email":"jdnolan@usgs.gov","middleInitial":"M.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":307566,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":99095,"text":"gip123 - 2011 - Science supporting Gulf of Mexico oil-spill response, mitigation, and restoration activities-Assessment, monitoring, mapping, and coordination","interactions":[],"lastModifiedDate":"2023-05-11T11:23:00.649371","indexId":"gip123","displayToPublicDate":"2011-03-15T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":315,"text":"General Information Product","code":"GIP","onlineIssn":"2332-354X","printIssn":"2332-3531","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"123","title":"Science supporting Gulf of Mexico oil-spill response, mitigation, and restoration activities-Assessment, monitoring, mapping, and coordination","docAbstract":"The St. Petersburg Coastal and Marine Science Center of the U.S. Geological Survey (USGS) investigates physical processes related to coastal and marine environments and societal implications related to natural hazards, resource sustainability, and environmental change. Immediately after the Deepwater Horizon event, the USGS began responding to data requests, directing response personnel, and providing coastal and shelf geophysical data to coastal-resource managers. The USGS provided oil-spill responders with up-to-date coastal bathymetry, geologic data, and maps characterizing vulnerability and levels of risk from potential spill impacts in Louisiana, Mississippi, and Alabama. Baseline conditions prior to any spill impacts were documented through programs that included shoreline sampling and sediment coring from east Texas to the east coast of Florida and aerial photography of many environmentally sensitive Gulf coastal areas. The USGS responded to numerous verbal and written data requests from Federal, State, and local partners and academic institutions with USGS scientific staff participating in the Coast Guard Unified Commands (UC) and Operational Science Advisory Teams (OSAT). The USGS conducted technical review of reports and plans for many response activities. Oil-spill responders, managers, and personnel on the ground, including partners such as the National Park Service, Gulf Islands National Seashore, Chandeleur Islands Refuge, and State agencies, continue to rely on USGS products.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/gip123","usgsCitation":"Kindinger, J., Tihansky, A.B., and Cimitile, M., 2011, Science supporting Gulf of Mexico oil-spill response, mitigation, and restoration activities-Assessment, monitoring, mapping, and coordination: U.S. Geological Survey General Information Product 123, 4 p., https://doi.org/10.3133/gip123.","productDescription":"4 p.","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":574,"text":"St. Petersburg Coastal and Marine Science Center","active":true,"usgs":true},{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"links":[{"id":116024,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/gip_123.gif"},{"id":14550,"rank":3,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/gip/123/","linkFileType":{"id":5,"text":"html"}},{"id":343840,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gip/123/pdf/usgs_gip123-03-2011.pdf","text":"Report","size":"4.52 MB","linkFileType":{"id":1,"text":"pdf"}}],"otherGeospatial":"Gulf of Mexico","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -90.47625181937511,\n 19.145070991740113\n ],\n [\n -90.14270930953495,\n 20.64639202920094\n ],\n [\n -88.18761156857897,\n 21.343218679456953\n ],\n [\n -87.28386496245356,\n 21.22106996535439\n ],\n [\n -84.21075952576894,\n 22.14417010355649\n ],\n [\n -83.13686356250324,\n 22.765089602884032\n ],\n [\n -81.66336843628761,\n 23.001268928196907\n ],\n [\n -80.39082601435479,\n 22.774127754701425\n ],\n [\n -80.85683375065548,\n 25.43860093355697\n ],\n [\n -81.67959106267074,\n 26.440737764223442\n ],\n [\n -82.45165334309158,\n 27.57550342456601\n ],\n [\n -82.51560664687327,\n 28.325047254177207\n ],\n [\n -82.47862676716362,\n 29.252848125728065\n ],\n [\n -84.0967205927484,\n 30.380318655834202\n ],\n [\n -84.95525321314271,\n 29.934354724276844\n ],\n [\n -85.74067010433352,\n 30.632260078621385\n ],\n [\n -87.09960836850674,\n 30.652740048884453\n ],\n [\n -88.40944551894023,\n 30.77247463662937\n ],\n [\n -89.1083342977729,\n 30.524750622201566\n ],\n [\n -90.41428230424492,\n 30.52522588926938\n ],\n [\n -90.4884263181259,\n 29.597578714076306\n ],\n [\n -92.1274365332487,\n 30.40682391071516\n ],\n [\n -92.11315629089941,\n 29.90668363246273\n ],\n [\n -93.43358870079936,\n 30.282017291774324\n ],\n [\n -95.00967623731867,\n 29.78459399653437\n ],\n [\n -95.66541733729224,\n 29.124170047871544\n ],\n [\n -96.7842367387733,\n 28.660191307659034\n ],\n [\n -97.59389061946979,\n 27.951787104163685\n ],\n [\n -97.784824762281,\n 27.2676311543957\n ],\n [\n -97.77542100766019,\n 26.629157706720548\n ],\n [\n -97.54677755321248,\n 25.719383853723755\n ],\n [\n -98.00170518040855,\n 25.271541763887683\n ],\n [\n -98.03092389032898,\n 23.85275215124291\n ],\n [\n -98.07594647663169,\n 22.49979758616547\n ],\n [\n -97.90163803021107,\n 21.296843412582888\n ],\n [\n -96.83415230206427,\n 19.784457438742976\n ],\n [\n -95.76432527964764,\n 18.251336885570282\n ],\n [\n -94.4701249617031,\n 17.880550041949974\n ],\n [\n -92.07566945122585,\n 18.40040683109177\n ],\n [\n -91.36651546605415,\n 18.123044975991903\n ],\n [\n -90.47625181937511,\n 19.145070991740113\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db673e67","contributors":{"authors":[{"text":"Kindinger, Jack","contributorId":107338,"corporation":false,"usgs":true,"family":"Kindinger","given":"Jack","affiliations":[],"preferred":false,"id":307563,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Tihansky, Ann B. tihansky@usgs.gov","contributorId":2477,"corporation":false,"usgs":true,"family":"Tihansky","given":"Ann","email":"tihansky@usgs.gov","middleInitial":"B.","affiliations":[],"preferred":true,"id":307562,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cimitile, Matthew","contributorId":50276,"corporation":false,"usgs":true,"family":"Cimitile","given":"Matthew","affiliations":[],"preferred":false,"id":307561,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":99091,"text":"sir20105251 - 2011 - Effects of groundwater flow on the distribution of biogenic gas in parts of the northern Great Plains of Canada and United States","interactions":[],"lastModifiedDate":"2012-02-10T00:11:57","indexId":"sir20105251","displayToPublicDate":"2011-03-10T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-5251","title":"Effects of groundwater flow on the distribution of biogenic gas in parts of the northern Great Plains of Canada and United States","docAbstract":"Parts of the northern Great Plains in eastern Montana and western North Dakota and southeastern Alberta and southwestern Saskatchewan, Canada, were studied as part of an assessment of shallow biogenic gas in Upper Cretaceous rocks.Parts of the northern Great Plains in eastern Montana and western North Dakota and southeastern Alberta and southwestern Saskatchewan, Canada, were studied as part of an assessment of shallow biogenic gas in Upper Cretaceous rocks. Large quantities of shallow biogenic gas are produced from low-permeability, Upper Cretaceous reservoirs in southeastern Alberta and southwestern Saskatchewan, Canada. Rocks of similar types and age produce sparingly in the United States except on large structures, such as Bowdoin dome and Cedar Creek anticline. Significant production also occurs in the Tiger Ridge area, where uplift of the Bearpaw Mountains created stratigraphic traps. The resource in Canada is thought to be a continuous, biogenic-gas-type accumulation with economic production in a variety of subtle structures and stratigraphic settings. The United States northern Great Plains area has similar conditions but only broad structural closures or stratigraphic traps associated with local structure have produced economically to date. Numerical flow modeling was used to help determine that biogenic gas in low-permeability reservoirs is held in place by high hydraulic head that overrides buoyancy forces of the gas. Modeling also showed where hydraulic head is greater under Tertiary capped topographic remnants rather than near adjacent topographic lows. The high head can override the capillary pressure of the rock and force gas to migrate to low head in topographically low areas. Most current biogenic gas production is confined to areas between mapped lineaments in the northern Great Plains. The lineaments may reflect structural zones in the Upper Cretaceous that help compartmentalize reservoirs and confine gas accumulations. \r\n","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20105251","usgsCitation":"Anna, L.O., 2011, Effects of groundwater flow on the distribution of biogenic gas in parts of the northern Great Plains of Canada and United States: U.S. Geological Survey Scientific Investigations Report 2010-5251, iv, 24 p., https://doi.org/10.3133/sir20105251.","productDescription":"iv, 24 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":116259,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2010_5251.png"},{"id":14540,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2010/5251/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114,47 ], [ -114,51.5 ], [ -104,51.5 ], [ -104,47 ], [ -114,47 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4affe4b07f02db697dc0","contributors":{"authors":[{"text":"Anna, Lawrence O.","contributorId":107318,"corporation":false,"usgs":true,"family":"Anna","given":"Lawrence","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":307532,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":99085,"text":"sir20105261 - 2011 - Water budgets and groundwater volumes for abandoned underground mines in the Western Middle Anthracite Coalfield, Schuylkill, Columbia, and Northumberland Counties, Pennsylvania: Preliminary estimates with identification of data needs","interactions":[],"lastModifiedDate":"2022-12-14T22:39:01.124677","indexId":"sir20105261","displayToPublicDate":"2011-03-09T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-5261","title":"Water budgets and groundwater volumes for abandoned underground mines in the Western Middle Anthracite Coalfield, Schuylkill, Columbia, and Northumberland Counties, Pennsylvania: Preliminary estimates with identification of data needs","docAbstract":"This report, prepared in cooperation with the Pennsylvania Department of Environmental Protection (PaDEP), the Eastern Pennsylvania Coalition for Abandoned Mine Reclamation, and the Dauphin County Conservation District, provides estimates of water budgets and groundwater volumes stored in abandoned underground mines in the Western Middle Anthracite Coalfield, which encompasses an area of 120 square miles in eastern Pennsylvania. The estimates are based on preliminary simulations using a groundwater-flow model and an associated geographic information system that integrates data on the mining features, hydrogeology, and streamflow in the study area. The Mahanoy and Shamokin Creek Basins were the focus of the study because these basins exhibit extensive hydrologic effects and water-quality degradation from the abandoned mines in their headwaters in the Western Middle Anthracite Coalfield. Proposed groundwater withdrawals from the flooded parts of the mines and stream-channel modifications in selected areas have the potential for altering the distribution of groundwater and the interaction between the groundwater and streams in the area.\r\nPreliminary three-dimensional, steady-state simulations of groundwater flow by the use of MODFLOW are presented to summarize information on the exchange of groundwater among adjacent mines and to help guide the management of ongoing data collection, reclamation activities, and water-use planning. The conceptual model includes high-permeability mine voids that are connected vertically and horizontally within multicolliery units (MCUs). MCUs were identified on the basis of mine maps, locations of mine discharges, and groundwater levels in the mines measured by PaDEP. The locations and integrity of mine barriers were determined from mine maps and groundwater levels. The permeability of intact barriers is low, reflecting the hydraulic characteristics of unmined host rock and coal.\r\nA steady-state model was calibrated to measured groundwater levels and stream base flow, the latter at many locations composed primarily of discharge from mines. Automatic parameter estimation used MODFLOW-2000 with manual adjustments to constrain parameter values to realistic ranges. The calibrated model supports the conceptual model of high-permeability MCUs separated by low-permeability barriers and streamflow losses and gains associated with mine infiltration and discharge. The simulated groundwater levels illustrate low groundwater gradients within an MCU and abrupt changes in water levels between MCUs. The preliminary model results indicate that the primary result of increased pumping from the mine would be reduced discharge from the mine to streams near the pumping wells. The intact barriers limit the spatial extent of mine dewatering. Considering the simulated groundwater levels, depth of mining, and assumed bulk porosity of 11 or 40 percent for the mined seams, the water volume in storage in the mines of the Western Middle Anthracite Coalfield was estimated to range from 60 to 220 billion gallons, respectively.\r\nDetails of the groundwater-level distribution and the rates of some mine discharges are not simulated well using the preliminary model. Use of the model results should be limited to evaluation of the conceptual model and its simulation using porous-media flow methods, overall water budgets for the Western Middle Anthracite Coalfield, and approximate storage volumes. Model results should not be considered accurate for detailed simulation of flow within a single MCU or individual flooded mine. Although improvements in the model calibration were possible by introducing spatial variability in permeability parameters and adjusting barrier properties, more detailed parameterizations have increased uncertainty because of the limited data set.\r\nThe preliminary identification of data needs includes continuous streamflow, mine discharge rate, and groundwater levels in the mines and adjacent areas. Data collected whe","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20105261","collaboration":"Prepared in cooperation Pennsylvania Department of Environmental Protection, Eastern Pennsylvania Coalition for Abandoned Mine Reclamation, and Dauphin County Conservation District","usgsCitation":"Goode, D., Cravotta, C.A., Hornberger, R.J., Hewitt, M.A., Hughes, R.E., Koury, D.J., and Eicholtz, L., 2011, Water budgets and groundwater volumes for abandoned underground mines in the Western Middle Anthracite Coalfield, Schuylkill, Columbia, and Northumberland Counties, Pennsylvania: Preliminary estimates with identification of data needs: U.S. Geological Survey Scientific Investigations Report 2010-5261, vii, 54 p., https://doi.org/10.3133/sir20105261.","productDescription":"vii, 54 p.","additionalOnlineFiles":"N","costCenters":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"links":[{"id":116258,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2010_5261.png"},{"id":410516,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_95039.htm","linkFileType":{"id":5,"text":"html"}},{"id":14534,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2010/5261/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Pennsylvania","otherGeospatial":"Columbia County, Northumberland County, Schuylkill County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -76.8333,\n 40.7042\n ],\n [\n -76.8333,\n 40.8653\n ],\n [\n -76.0431,\n 40.8653\n ],\n [\n -76.0431,\n 40.7042\n ],\n [\n -76.8333,\n 40.7042\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a08e4b07f02db5fa305","contributors":{"authors":[{"text":"Goode, Daniel J. 0000-0002-8527-2456 djgoode@usgs.gov","orcid":"https://orcid.org/0000-0002-8527-2456","contributorId":2433,"corporation":false,"usgs":true,"family":"Goode","given":"Daniel J.","email":"djgoode@usgs.gov","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":307505,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cravotta, Charles A. III, 0000-0003-3116-4684 cravotta@usgs.gov","orcid":"https://orcid.org/0000-0003-3116-4684","contributorId":2193,"corporation":false,"usgs":true,"family":"Cravotta","given":"Charles","suffix":"III,","email":"cravotta@usgs.gov","middleInitial":"A.","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":false,"id":307504,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hornberger, Roger J.","contributorId":38697,"corporation":false,"usgs":true,"family":"Hornberger","given":"Roger","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":307507,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hewitt, Michael A.","contributorId":63933,"corporation":false,"usgs":true,"family":"Hewitt","given":"Michael","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":307508,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hughes, Robert E.","contributorId":83247,"corporation":false,"usgs":true,"family":"Hughes","given":"Robert","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":307510,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Koury, Daniel J.","contributorId":78067,"corporation":false,"usgs":true,"family":"Koury","given":"Daniel","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":307509,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Eicholtz, Lee W. eicholtz@usgs.gov","contributorId":3928,"corporation":false,"usgs":true,"family":"Eicholtz","given":"Lee W.","email":"eicholtz@usgs.gov","affiliations":[{"id":532,"text":"Pennsylvania Water Science Center","active":true,"usgs":true}],"preferred":true,"id":307506,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70236116,"text":"70236116 - 2011 - Halloysite nanotubes and bacteria at the saprolite-bedrock interface, Rio Icacos watershed, Puerto Rico","interactions":[],"lastModifiedDate":"2022-08-29T16:28:55.763496","indexId":"70236116","displayToPublicDate":"2011-03-01T11:13:12","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3420,"text":"Soil Science Society of America Journal","active":true,"publicationSubtype":{"id":10}},"title":"Halloysite nanotubes and bacteria at the saprolite-bedrock interface, Rio Icacos watershed, Puerto Rico","docAbstract":"Quartz diorite bedrock underlying the Luquillo Mountains of eastern Puerto Rico undergoes weathering at one of the fastest documented rates for granitic rocks in the world. Although tropical temperatures and precipitation promote rapid weathering in this location, increased bacterial densities in the regolith immediately above the bedrock suggest that microorganisms contribute to mineral weathering as well. Deep saprolite and saprock samples were obtained at the bedrock interface in an upland location (Guaba Ridge) in the Rio Icacos watershed for examination by environmental scanning electron microscopy (ESEM). In ESEM images, mineral nanotubes were observed to occur frequently in association with coccus- and rod-shaped structures resembling bacteria. These nanotubes (50–140-nm width and 150–2700-nm length) were identified as halloysite using transmission electron microscopy. Observations of multiple nanotubes on the surfaces of an individual cell are consistent with the cell's exterior functional groups interacting with Si in pore water to facilitate halloysite nucleation. We propose that one mechanism by which bacteria contribute to the rapid weathering of quartz diorite minerals in this regolith is by lowering the free energy for secondary mineral formation. The presence of bacterial surfaces may result in more rapid removal of Si from solution, thereby increasing the dissolution rates of primary minerals.
","language":"English","publisher":"American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America","doi":"10.2136/sssaj2010.0126nps","usgsCitation":"Minyard, M.L., Bruns, M.A., Martinez, C.E., Liermann, L., Buss, H.L., and Brantley, S., 2011, Halloysite nanotubes and bacteria at the saprolite-bedrock interface, Rio Icacos watershed, Puerto Rico: Soil Science Society of America Journal, v. 75, no. 2, p. 348-356, https://doi.org/10.2136/sssaj2010.0126nps.","productDescription":"9 p.","startPage":"348","endPage":"356","costCenters":[],"links":[{"id":405802,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Puerto Rico","otherGeospatial":"Rio Icacos watershed","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -65.82,\n 18.26\n ],\n [\n -65.77,\n 18.26\n ],\n [\n -65.77,\n 18.30\n ],\n [\n -65.82,\n 18.30\n ],\n [\n -65.82,\n 18.26\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"75","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Minyard, Morgan L.","contributorId":295913,"corporation":false,"usgs":false,"family":"Minyard","given":"Morgan","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":850129,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bruns, Mary Ann","contributorId":214157,"corporation":false,"usgs":false,"family":"Bruns","given":"Mary","email":"","middleInitial":"Ann","affiliations":[{"id":7260,"text":"Pennsylvania State University","active":true,"usgs":false}],"preferred":false,"id":850130,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Martinez, Carmen E.","contributorId":295914,"corporation":false,"usgs":false,"family":"Martinez","given":"Carmen","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":850131,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Liermann, Laura","contributorId":98632,"corporation":false,"usgs":true,"family":"Liermann","given":"Laura","email":"","affiliations":[],"preferred":false,"id":850132,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Buss, Heather L. 0000-0002-1852-3657","orcid":"https://orcid.org/0000-0002-1852-3657","contributorId":15478,"corporation":false,"usgs":true,"family":"Buss","given":"Heather","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":850133,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Brantley, Susan L.","contributorId":38461,"corporation":false,"usgs":true,"family":"Brantley","given":"Susan L.","affiliations":[],"preferred":false,"id":850134,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70126413,"text":"70126413 - 2011 - Interspecific exchange of avian influenza virus genes in Alaska: The influence of trans-hemispheric migratory tendency and breeding ground sympatry","interactions":[],"lastModifiedDate":"2018-07-15T18:39:56","indexId":"70126413","displayToPublicDate":"2011-03-01T10:12:00","publicationYear":"2011","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2774,"text":"Molecular Ecology","active":true,"publicationSubtype":{"id":10}},"title":"Interspecific exchange of avian influenza virus genes in Alaska: The influence of trans-hemispheric migratory tendency and breeding ground sympatry","docAbstract":"The movement and transmission of avian influenza viral strains via wild migratory birds may vary by host species as a result of migratory tendency and sympatry with other infected individuals. To examine the roles of host migratory tendency and species sympatry on the movement of Eurasian low-pathogenic avian influenza (LPAI) genes into North America, we characterized migratory patterns and LPAI viral genomic variation in mallards (Anas platyrhynchos) of Alaska in comparison with LPAI diversity of northern pintails (Anas acuta). A 50-year band-recovery data set suggests that unlike northern pintails, mallards rarely make trans-hemispheric migrations between Alaska and Eurasia. Concordantly, fewer (14.5%) of 62 LPAI isolates from mallards contained Eurasian gene segments compared to those from 97 northern pintails (35%), a species with greater inter-continental migratory tendency. Aerial survey and banding data suggest that mallards and northern pintails are largely sympatric throughout Alaska during the breeding season, promoting opportunities for interspecific transmission. Comparisons of full-genome isolates confirmed near-complete genetic homology (>99.5%) of seven viruses between mallards and northern pintails. This study found viral segments of Eurasian lineage at a higher frequency in mallards than previous studies, suggesting transmission from other avian species migrating inter-hemispherically or the common occurrence of endemic Alaskan viruses containing segments of Eurasian origin. We conclude that mallards are unlikely to transfer Asian-origin viruses directly to North America via Alaska but that they are likely infected with Asian-origin viruses via interspecific transfer from species with regular migrations to the Eastern Hemisphere.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1365-294X.2010.04908.x","usgsCitation":"Pearce, J.M., Reeves, A.B., Ramey, A.M., Hupp, J.W., Ip, S., Bertram, M., Petrula, M., Scotton, B., Trust, K., Meixell, B.W., and Runstadler, J., 2011, Interspecific exchange of avian influenza virus genes in Alaska: The influence of trans-hemispheric migratory tendency and breeding ground sympatry: Molecular Ecology, v. 20, no. 5, p. 1015-1025, https://doi.org/10.1111/j.1365-294X.2010.04908.x.","productDescription":"11 p.","startPage":"1015","endPage":"1025","onlineOnly":"N","additionalOnlineFiles":"N","ipdsId":"IP-022814","costCenters":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":475026,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://europepmc.org/articles/pmc3041836","text":"External Repository"},{"id":294298,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Russia, United States","state":"Alaska","volume":"20","issue":"5","noUsgsAuthors":false,"publicationDate":"2010-11-12","publicationStatus":"PW","scienceBaseUri":"5422bb28e4b08312ac7cf06c","contributors":{"authors":[{"text":"Pearce, John M. 0000-0002-8503-5485 jpearce@usgs.gov","orcid":"https://orcid.org/0000-0002-8503-5485","contributorId":181766,"corporation":false,"usgs":true,"family":"Pearce","given":"John","email":"jpearce@usgs.gov","middleInitial":"M.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":502023,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reeves, Andrew B. 0000-0002-7526-0726 areeves@usgs.gov","orcid":"https://orcid.org/0000-0002-7526-0726","contributorId":167362,"corporation":false,"usgs":true,"family":"Reeves","given":"Andrew","email":"areeves@usgs.gov","middleInitial":"B.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":502028,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ramey, Andrew M. 0000-0002-3601-8400 aramey@usgs.gov","orcid":"https://orcid.org/0000-0002-3601-8400","contributorId":1872,"corporation":false,"usgs":true,"family":"Ramey","given":"Andrew","email":"aramey@usgs.gov","middleInitial":"M.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":502029,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hupp, Jerry W. 0000-0002-6439-3910 jhupp@usgs.gov","orcid":"https://orcid.org/0000-0002-6439-3910","contributorId":127803,"corporation":false,"usgs":true,"family":"Hupp","given":"Jerry","email":"jhupp@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":502027,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Ip, S. 0000-0003-4844-7533 hip@usgs.gov","orcid":"https://orcid.org/0000-0003-4844-7533","contributorId":727,"corporation":false,"usgs":true,"family":"Ip","given":"S.","email":"hip@usgs.gov","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":502025,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Bertram, M.","contributorId":91331,"corporation":false,"usgs":true,"family":"Bertram","given":"M.","email":"","affiliations":[],"preferred":false,"id":502030,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Petrula, M.J.","contributorId":106713,"corporation":false,"usgs":true,"family":"Petrula","given":"M.J.","affiliations":[],"preferred":false,"id":502032,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Scotton, B.D.","contributorId":7530,"corporation":false,"usgs":true,"family":"Scotton","given":"B.D.","affiliations":[],"preferred":false,"id":502024,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Trust, K.A.","contributorId":107465,"corporation":false,"usgs":true,"family":"Trust","given":"K.A.","email":"","affiliations":[],"preferred":false,"id":502033,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Meixell, Brandt W. 0000-0002-6738-0349 bmeixell@usgs.gov","orcid":"https://orcid.org/0000-0002-6738-0349","contributorId":138716,"corporation":false,"usgs":true,"family":"Meixell","given":"Brandt","email":"bmeixell@usgs.gov","middleInitial":"W.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":502026,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Runstadler, J.A.","contributorId":98124,"corporation":false,"usgs":true,"family":"Runstadler","given":"J.A.","affiliations":[],"preferred":false,"id":502031,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":99067,"text":"sir20105250 - 2011 - Hydrogeology and simulation of groundwater flow in fractured rock in the Newark basin, Rockland County, New York","interactions":[],"lastModifiedDate":"2012-03-08T17:16:39","indexId":"sir20105250","displayToPublicDate":"2011-02-25T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-5250","title":"Hydrogeology and simulation of groundwater flow in fractured rock in the Newark basin, Rockland County, New York","docAbstract":"Groundwater in the Newark basin aquifer flows primarily through discrete water-bearing zones parallel to the strike and dip of bedding, whereas flow perpendicular to the strike is restricted, thereby imparting anisotropy to the groundwater flow field. The finite-element model SUTRA was used to represent bedrock structure in the aquifer by spatially varying the orientation of the hydraulic conductivity tensor to reflect variations in the strike and dip of the bedding. Directions of maximum and medium hydraulic conductivity were oriented parallel to the bedding, and the direction of minimum hydraulic conductivity was oriented perpendicular to the bedding. Groundwater flow models were prepared to simulate local flow in the vicinity of the Spring Valley well field and regional flow through the Newark basin aquifer. The Newark basin contains sedimentary rocks deposited as alluvium during the Late Triassic and is one of a series of basins that developed when Mesozoic rifting of the super continent Pangea created the Atlantic Ocean. The westward-dipping basin is filled with interbedded facies of coarse-grained to fine-grained rocks that were intruded by diabase associated with Jurassic volcanism. The Newark basin aquifer is bounded to the north and east by the Palisades sill and to the west by the Ramapo Fault. Although the general dip of bedding is toward the fault, mapping of conglomerate beds indicates the rocks are folded into broad anticlines and synclines. An alternative, more uniform pattern of regional structure, based on interpolated strike and dip measurements from a number of sources, has also been proposed. Two groundwater flow models (A for the former type of bedrock structure and B for the latter type) were developed to represent these alternative depictions of bedrock structure. Transient simulations were calibrated to reproduce measured water-level recoveries in a 9.3 mi² area surrounding the Spring Valley well field during a 5-day aquifer test in 1992. The models represented a 330-ft thick rock mass divided vertically into 10 equally spaced layers and were calibrated through nonlinear regression. Results of model B best matched the observed water-level recoveries with an estimated hydraulic conductivity of 9.5 ft/day, specific storage of 7.6 x 10 -6 ft -1, and Kmax: Kmin anisotropy ratio (hydraulic conductivity parallel to bedding: perpendicular to bedding) of 72:1. Model error was 50 percent greater in model A because the assumed structure did not match the actual strike of bedding in this area. Steady-state simulations of regional flow through the 85.4-mi2 modeled extent of the Newark basin aquifer represented both the alluvial aquifer beneath the Mawah River and the fractured bedrock. The rock mass was divided into two aquifer units: an upper 500-ft thick unit divided into 10 equally spaced layers through which most groundwater is assumed to flow and a lower unit divided into 7 layers with increasing thickness. Models were calibrated through nonlinear regression to average water levels measured in 140 wells from August 2005 through April 2007. Water levels simulated using the two models were similar and generally matched those observed, and the average recharge rate estimated using both models was 19 inches/year for the simulated period. Estimated transmissivity parallel to the strike of bedding (1,100 ft²/d) was uniform in two transmissivity (T) zones in model A, but in model B the transmissivity of a high T zone (1,600 ft²/d), delineated on the basis of aquifer test data, was slightly greater than in a low T zone (1,300 ft²/d). The Kmax: Kmin anisotropy was estimated to be 58:1 in model A and 410:1 in model B, so the proportion of flow perpendicular to bedding is less in model B than in model A. Distributions of groundwater age simulated with models A and B are similar and indicate that most shallow ground-water (225 ft below the bedrock surface) is 5 t","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20105250","collaboration":"Prepared in cooperation with Rockland County, New York, and\r\nNew York State Department of Environmental Conservation\r\n","usgsCitation":"Yager, R.M., and Ratcliffe, N.M., 2011, Hydrogeology and simulation of groundwater flow in fractured rock in the Newark basin, Rockland County, New York: U.S. Geological Survey Scientific Investigations Report 2010-5250, iiv, 66 p. ; Appendices ; GIS Datasets; Companion Report , https://doi.org/10.3133/sir20105250.","productDescription":"iiv, 66 p. ; Appendices ; GIS Datasets; Companion Report ","additionalOnlineFiles":"Y","costCenters":[{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"links":[{"id":116634,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2010_5250.gif"},{"id":14514,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2010/5250/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -74.25,41 ], [ -74.25,41.36805555555556 ], [ -73.83333333333333,41.36805555555556 ], [ -73.83333333333333,41 ], [ -74.25,41 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adae4b07f02db685526","contributors":{"authors":[{"text":"Yager, Richard M. 0000-0001-7725-1148 ryager@usgs.gov","orcid":"https://orcid.org/0000-0001-7725-1148","contributorId":950,"corporation":false,"usgs":true,"family":"Yager","given":"Richard","email":"ryager@usgs.gov","middleInitial":"M.","affiliations":[{"id":614,"text":"Virginia Water Science Center","active":true,"usgs":true},{"id":474,"text":"New York Water Science Center","active":true,"usgs":true}],"preferred":true,"id":307451,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ratcliffe, Nicholas M. 0000-0002-7922-5784 nratclif@usgs.gov","orcid":"https://orcid.org/0000-0002-7922-5784","contributorId":4167,"corporation":false,"usgs":true,"family":"Ratcliffe","given":"Nicholas","email":"nratclif@usgs.gov","middleInitial":"M.","affiliations":[],"preferred":true,"id":307452,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":99059,"text":"sir20105234 - 2011 - Simulation of the effects of the Devils Lake State Outlet on hydrodynamics and water quality in Lake Ashtabula, North Dakota, 2006-10","interactions":[],"lastModifiedDate":"2017-10-14T11:41:16","indexId":"sir20105234","displayToPublicDate":"2011-02-18T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2010-5234","title":"Simulation of the effects of the Devils Lake State Outlet on hydrodynamics and water quality in Lake Ashtabula, North Dakota, 2006-10","docAbstract":"In 2010, a two-dimensional hydrodynamic and water-quality model (CE-QUAL-W2) of Lake Ashtabula, North Dakota, was developed by the U.S. Geological Survey in cooperation with the North Dakota State Water Commission to understand the dynamics of chemical constituents in the reservoir and to provide a tool for the management and operation of the Devils Lake State Outlet in meeting the water-quality standards downstream from Baldhill Dam. The Lake Ashtabula model was calibrated for hydrodynamics, sulfate concentrations, and total dissolved-solids concentrations to ambient conditions from June 2006 through June 2010. The calibrated model then was used to simulate four scenarios that represent various Devils Lake outlet options that have been considered for reducing the water levels in Devils Lake.\r\n\r\nSimulated water temperatures compared well with measured temperatures and differences varied spatially in Lake Ashtabula from June 2006 through June 2010. The absolute mean error ranged from 0.7 degrees Celsius to 1.0 degrees Celsius and the root mean square error ranged from 0.7 degrees Celsius to 1.1 degrees Celsius.\r\n\r\nSimulated sulfate concentrations compared well with measured concentrations in Lake Ashtabula. In general, simulated sulfate concentrations were slightly overpredicted with mean differences between simulated and measured sulfate concentrations ranging from -2 milligram per liter to 18 milligrams per liter. Differences between simulated and measured sulfate concentrations varied temporally in Lake Ashtabula from June 2006 through June 2010. In 2006, sulfate concentrations were overpredicted in the lower part of the reservoir and underpredicted in the upper part of the reservoir.\r\n\r\nSimulated total dissolved solids generally were greater than measured total dissolved-solids concentrations in Lake Ashtabula from June 2006 through June 2010. The mean difference between simulated and measured total dissolved-solids concentrations ranged from -3 milligrams per liter to 15 milligrams per liter, the absolute mean error ranged from 58 milligrams per liter to 100 milligrams per liter, and the root mean square error ranged from 73 milligrams per liter to 114 milligrams per liter.\r\n\r\nSimulated sulfate concentrations from four scenarios were compared to simulated ambient concentrations from June 2006 through June 2009. For scenario 1, the same location, outflow capacity, and sulfate concentration as the current (2010) Devils Lake State Outlet were assumed. The increased flow and sulfate concentration in scenario 1, beginning on May 31 and extending to October 31 each year, resulted in an increase in sulfate concentrations to greater than 450 milligrams per liter in the reservoir at site 7T (approximately the middle of the reservoir), starting July 5 in 2006, July 28 in 2007, and July 15 in 2008. Sulfate concentrations increased to greater than 450 milligrams per liter considerably later at site 1T (near the dam), starting October 8 in 2006, October 29 in 2007, and October 3 in 2008. For scenario 2, the same Devils Lake State Outlet sulfate concentration as scenario 1 was assumed, but the flow through the Devils Lake State Outlet was doubled, which resulted in a more rapid increase in sulfate concentrations in the lower part of the reservoir and slightly greater values at all four sites compared to scenario 1. Sulfate concentrations increased to greater than 450 milligrams per liter 61 days earlier in 2006, 67 days earlier in 2007, and 41 days earlier in 2008 at site 1T.\r\n\r\nFor scenarios 3 and 4, possible increases in flow and concentration from the current outlet location (from the West Bay of Devils Lake) and from a proposed outlet from East Devils Lake were simulated. Conditions for scenario 3 resulted in a relatively rapid increase in sulfate concentrations in the reservoir, and concentrations were greater than 750 milligrams per liter in most years at all four sites. As expected, scenario 4 resulted in greater sulfate concentr","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/sir20105234","collaboration":"Prepared in cooperation with the North Dakota State Water Commission","usgsCitation":"Galloway, J.M., 2011, Simulation of the effects of the Devils Lake State Outlet on hydrodynamics and water quality in Lake Ashtabula, North Dakota, 2006-10: U.S. Geological Survey Scientific Investigations Report 2010-5234, vi, 24 p., https://doi.org/10.3133/sir20105234.","productDescription":"vi, 24 p.","additionalOnlineFiles":"N","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":125966,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2010_5234.jpg"},{"id":14504,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2010/5234/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9fe4b07f02db660d6a","contributors":{"authors":[{"text":"Galloway, Joel M. 0000-0002-9836-9724 jgallowa@usgs.gov","orcid":"https://orcid.org/0000-0002-9836-9724","contributorId":1562,"corporation":false,"usgs":true,"family":"Galloway","given":"Joel","email":"jgallowa@usgs.gov","middleInitial":"M.","affiliations":[{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true},{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true}],"preferred":true,"id":307430,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":99050,"text":"ofr20111010 - 2011 - Project plan-Surficial geologic mapping and hydrogeologic framework studies in the Greater Platte River Basins (Central Great Plains) in support of ecosystem and climate change research","interactions":[],"lastModifiedDate":"2012-02-02T00:14:15","indexId":"ofr20111010","displayToPublicDate":"2011-02-15T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2011-1010","title":"Project plan-Surficial geologic mapping and hydrogeologic framework studies in the Greater Platte River Basins (Central Great Plains) in support of ecosystem and climate change research","docAbstract":"The Greater Platte River Basin area spans a central part of the Midcontinent and Great Plains from the Rocky Mountains on the west to the Missouri River on the east, and is defined to include drainage areas of the Platte, Niobrara, and Republican Rivers, the Rainwater Basin, and other adjoining areas overlying the northern High Plains aquifer. The Greater Platte River Basin contains abundant surficial deposits that were sensitive to, or are reflective of, the climate under which they formed: deposits from multiple glaciations in the mountain headwaters of the North and South Platte Rivers and from continental ice sheets in eastern Nebraska; fluvial terraces (ranging from Tertiary to Holocene in age) along the rivers and streams; vast areas of eolian sand in the Nebraska Sand Hills and other dune fields (recording multiple episodes of dune activity); thick sequences of windblown silt (loess); and sediment deposited in numerous lakes and wetlands. In addition, the Greater Platte River Basin overlies and contributes surface water to the High Plains aquifer, a nationally important groundwater system that underlies parts of eight states and sustains one of the major agricultural areas of the United States. The area also provides critical nesting habitat for birds such as plovers and terns, and roosting habitat for cranes and other migratory birds that travel through the Central Flyway of North America. This broad area, containing fragile ecosystems that could be further threatened by changes in climate and land use, has been identified by the USGS and the University of Nebraska-Lincoln as a region where intensive collaborative research could lead to a better understanding of climate change and what might be done to adapt to or mitigate its adverse effects to ecosystems and to humans. The need for robust data on the geologic framework of ecosystems in the Greater Platte River Basin has been acknowledged in proceedings from the 2008 Climate Change Workshop and in draft reports by researchers developing a multidisciplinary science plan for the Greater Platte River Basin.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/ofr20111010","usgsCitation":"Berry, M.E., Lundstrom, S.C., Slate, J.L., Muhs, D.R., Sawyer, D.A., and VanSistine, D., 2011, Project plan-Surficial geologic mapping and hydrogeologic framework studies in the Greater Platte River Basins (Central Great Plains) in support of ecosystem and climate change research: U.S. Geological Survey Open-File Report 2011-1010, vi, 34 p., https://doi.org/10.3133/ofr20111010.","productDescription":"vi, 34 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":308,"text":"Geology and Environmental Change Science Center","active":false,"usgs":true}],"links":[{"id":116015,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr_2011_1010.png"},{"id":14494,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/2011/1010/","linkFileType":{"id":5,"text":"html"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a9ae4b07f02db65d9eb","contributors":{"authors":[{"text":"Berry, Margaret E. 0000-0002-4113-8212 meberry@usgs.gov","orcid":"https://orcid.org/0000-0002-4113-8212","contributorId":1544,"corporation":false,"usgs":true,"family":"Berry","given":"Margaret","email":"meberry@usgs.gov","middleInitial":"E.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":307405,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lundstrom, Scott C. 0000-0003-4149-2219 sclundst@usgs.gov","orcid":"https://orcid.org/0000-0003-4149-2219","contributorId":2446,"corporation":false,"usgs":true,"family":"Lundstrom","given":"Scott","email":"sclundst@usgs.gov","middleInitial":"C.","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":true,"id":307407,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Slate, Janet L. 0000-0002-2870-9068 jslate@usgs.gov","orcid":"https://orcid.org/0000-0002-2870-9068","contributorId":252,"corporation":false,"usgs":true,"family":"Slate","given":"Janet","email":"jslate@usgs.gov","middleInitial":"L.","affiliations":[{"id":501,"text":"Office of Science Quality and Integrity","active":true,"usgs":true}],"preferred":true,"id":307403,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Muhs, Daniel R. 0000-0001-7449-251X dmuhs@usgs.gov","orcid":"https://orcid.org/0000-0001-7449-251X","contributorId":1857,"corporation":false,"usgs":true,"family":"Muhs","given":"Daniel","email":"dmuhs@usgs.gov","middleInitial":"R.","affiliations":[{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":true,"id":307406,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sawyer, David A. dsawyer@usgs.gov","contributorId":1262,"corporation":false,"usgs":true,"family":"Sawyer","given":"David","email":"dsawyer@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":307404,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"VanSistine, D. Paco 0000-0003-1166-2547 dvansistine@usgs.gov","orcid":"https://orcid.org/0000-0003-1166-2547","contributorId":4994,"corporation":false,"usgs":true,"family":"VanSistine","given":"D. Paco","email":"dvansistine@usgs.gov","affiliations":[{"id":318,"text":"Geosciences and Environmental Change Science Center","active":true,"usgs":true}],"preferred":false,"id":307408,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":9000598,"text":"ds551 - 2011 - Database for the Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana","interactions":[],"lastModifiedDate":"2021-09-07T18:49:38.371994","indexId":"ds551","displayToPublicDate":"2011-02-15T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":310,"text":"Data Series","code":"DS","onlineIssn":"2327-638X","printIssn":"2327-0271","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"551","title":"Database for the Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana","docAbstract":"The superlative hot springs, geysers, and fumarole fields of Yellowstone National Park are vivid reminders of a recent volcanic past. Volcanism on an immense scale largely shaped the unique landscape of central and western Yellowstone Park, and intimately related tectonism and seismicity continue even now. Furthermore, the volcanism that gave rise to Yellowstone's hydrothermal displays was only part of a long history of late Cenozoic eruptions in southern and eastern Idaho, northwestern Wyoming, and southwestern Montana. The late Cenozoic volcanism of Yellowstone National Park, although long believed to have occurred in late Tertiary time, is now known to have been of latest Pliocene and Pleistocene age. The eruptions formed a complex plateau of voluminous rhyolitic ash-flow tuffs and lavas, but basaltic lavas too have erupted intermittently around the margins of the rhyolite plateau. Volcanism almost certainly will recur in the Yellowstone National Park region. This digital release contains all the information used to produce the geologic maps published as plates in U.S. Geological Survey Professional Paper 729-G (Christiansen, 2001). The main component of this digital release is a geologic map database prepared using geographic information systems (GIS) applications. This release also contains files to view or print the geologic maps and main report text from Professional Paper 729-G.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/ds551","usgsCitation":"Koch, R.D., Ramsey, D.W., and Christiansen, R.L., 2011, Database for the Quaternary and Pliocene Yellowstone Plateau Volcanic Field of Wyoming, Idaho, and Montana (Version 1.0): U.S. Geological Survey Data Series 551, HTML Page, CD-ROM, https://doi.org/10.3133/ds551.","productDescription":"HTML Page, CD-ROM","onlineOnly":"N","additionalOnlineFiles":"Y","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":388909,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_94920.htm"},{"id":125961,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ds_551.bmp"},{"id":19210,"rank":200,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/ds/551/","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Idaho, Montana, Wyoming","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -111.08333333333333,44 ], [ -111.08333333333333,45.083333333333336 ], [ -110,45.083333333333336 ], [ -110,44 ], [ -111.08333333333333,44 ] ] ] } } ] }","edition":"Version 1.0","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db6741e3","contributors":{"authors":[{"text":"Koch, Richard D. rkoch@usgs.gov","contributorId":4413,"corporation":false,"usgs":true,"family":"Koch","given":"Richard","email":"rkoch@usgs.gov","middleInitial":"D.","affiliations":[],"preferred":true,"id":344356,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ramsey, David W. 0000-0003-1698-2523 dramsey@usgs.gov","orcid":"https://orcid.org/0000-0003-1698-2523","contributorId":3819,"corporation":false,"usgs":true,"family":"Ramsey","given":"David","email":"dramsey@usgs.gov","middleInitial":"W.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":344354,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Christiansen, Robert L. 0000-0002-8017-3918 rchris@usgs.gov","orcid":"https://orcid.org/0000-0002-8017-3918","contributorId":4412,"corporation":false,"usgs":true,"family":"Christiansen","given":"Robert","email":"rchris@usgs.gov","middleInitial":"L.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":344355,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":99023,"text":"sir20115016 - 2011 - Control of Precambrian basement deformation zones on emplacement of the Laramide Boulder batholith and Butte mining district, Montana, United States","interactions":[],"lastModifiedDate":"2012-02-10T00:10:05","indexId":"sir20115016","displayToPublicDate":"2011-02-03T00:00:00","publicationYear":"2011","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2011-5016","title":"Control of Precambrian basement deformation zones on emplacement of the Laramide Boulder batholith and Butte mining district, Montana, United States","docAbstract":"What are the roles of deep Precambrian basement deformation zones in the localization of subsequent shallow-crustal deformation zones and magmas? The Paleoproterozoic Great Falls tectonic zone and its included Boulder batholith (Montana, United States) provide an opportunity to examine the importance of inherited deformation fabrics in batholith emplacement and the localization of magmatic-hydrothermal mineral deposits. Northeast-trending deformation fabrics predominate in the Great Falls tectonic zone, which formed during the suturing of Paleoproterozoic and Archean cratonic masses approximately 1,800 mega-annum (Ma). Subsequent Mesoproterozoic to Neoproterozoic deformation fabrics trend northwest. Following Paleozoic through Early Cretaceous sedimentation, a Late Cretaceous fold-and-thrust belt with associated strike-slip faulting developed across the region, wherein some Proterozoic faults localized thrust faulting, while others were reactivated as strike-slip faults. The 81- to 76-Ma Boulder batholith was emplaced along the reactivated central Paleoproterozoic suture in the Great Falls tectonic zone. Early-stage Boulder batholith plutons were emplaced concurrent with east-directed thrust faulting and localized primarily by northwest-trending strike-slip and related faults. The late-stage Butte Quartz Monzonite pluton was localized in a northeast-trending pull-apart structure that formed behind the active thrust front and is axially symmetric across the underlying northeast-striking Paleoproterozoic fault zone, interpreted as a crustal suture. The modeling of potential-field geophysical data indicates that pull-apart?stage magmas fed into the structure through two funnel-shaped zones beneath the batholith. Renewed magmatic activity in the southern feeder from 66 to 64 Ma led to the formation of two small porphyry-style copper-molybdenum deposits and ensuing world-class polymetallic copper- and silver-bearing veins in the Butte mining district. Vein orientations parallel joints in the Butte Quartz Monzonite that, in turn, mimic Precambrian deformation fabrics found outside the district. The faults controlling the Butte veins are interpreted to have formed through activation under shear of preexisting northeast-striking joints as master faults from which splay faults formed along generally east-west and northwest joint plane orientations.","language":"ENGLISH","publisher":"U.S. Geological Survey","doi":"10.3133/sir20115016","usgsCitation":"Berger, B.R., Hildenbrand, T.G., and O’Neill, J.M., 2011, Control of Precambrian basement deformation zones on emplacement of the Laramide Boulder batholith and Butte mining district, Montana, United States: U.S. Geological Survey Scientific Investigations Report 2011-5016, vi, 29 p., https://doi.org/10.3133/sir20115016.","productDescription":"vi, 29 p.","onlineOnly":"Y","additionalOnlineFiles":"N","costCenters":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":126229,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/sir_2011_5016.bmp"},{"id":14459,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/sir/2011/5016/","linkFileType":{"id":5,"text":"html"}}],"geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -120,30 ], [ -120,50 ], [ -90,50 ], [ -90,30 ], [ -120,30 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db686856","contributors":{"authors":[{"text":"Berger, Byron R. bberger@usgs.gov","contributorId":1490,"corporation":false,"usgs":true,"family":"Berger","given":"Byron","email":"bberger@usgs.gov","middleInitial":"R.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":307303,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hildenbrand, Thomas G.","contributorId":61787,"corporation":false,"usgs":true,"family":"Hildenbrand","given":"Thomas","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":307304,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Neill, J. Michael jmoneill@usgs.gov","contributorId":99522,"corporation":false,"usgs":true,"family":"O’Neill","given":"J.","email":"jmoneill@usgs.gov","middleInitial":"Michael","affiliations":[],"preferred":false,"id":307305,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ]}