{"pageNumber":"5428","pageRowStart":"135675","pageSize":"25","recordCount":165623,"records":[{"id":70171541,"text":"70171541 - 1976 - Heat-flow data and their relation to observed geothermal phenomena near Klamath Falls, Oregon","interactions":[],"lastModifiedDate":"2016-06-02T14:44:10","indexId":"70171541","displayToPublicDate":"1976-12-16T14:30:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2312,"text":"Journal of Geophysical Research","active":true,"publicationSubtype":{"id":10}},"title":"Heat-flow data and their relation to observed geothermal phenomena near Klamath Falls, Oregon","docAbstract":"

Two holes were drilled to depths of about 180 m in the Lower Klamath Lake basin south of Klamath Falls, Oregon, to obtain heat flow data and to provide estimates of the thermal conductivity of the valley fill. Twenty-nine thermal conductivity determinations on eight cores give a mean conductivity of 1.82 mcal/cm s °C (0.75 W/m °K). Curvature in the upper 50 m of both terriperature profiles indicates a decrease in surface temperature of about 1.8°C, presumably resulting frorn reclamation of what was marshland in the early part of this century. A surprisingly low heat flow of 0.3 HFU (1 HFU = 10−6 cal/cm2 s = 41.8 mW/m2) was measured at site LS near the center of the basin. At site OC-1, 7 km east of LS and 2 km from the Klamath Hills geothermal zone, the heat flow was 1.44 HFU, also a low value in this setting. Temperature profiles in 15 unused water wells in the area had linear gradients ranging from 47° to 170°C/km. The corresponding lower limits of heat flow (conductivities measured at the two heat flow sites being used) range from 0.8 to 3.1 HFU. These variations in heat flow evidently are caused by temperature variations in a convecting system within the near-surface volcanic rocks and do not provide firm constraints on the nature of heat sources at depth.

","language":"English","publisher":"AGU Publications","doi":"10.1029/JB081i026p04863","issn":"0148-0227","usgsCitation":"Sass, J., and Sammel, E.A., 1976, Heat-flow data and their relation to observed geothermal phenomena near Klamath Falls, Oregon: Journal of Geophysical Research, v. 81, no. 26, p. 4863-4868, https://doi.org/10.1029/JB081i026p04863.","productDescription":"6 p.","startPage":"4863","endPage":"4868","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":322114,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"81","issue":"26","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"575158b4e4b053f0edd03c57","contributors":{"authors":[{"text":"Sass, J.H.","contributorId":70749,"corporation":false,"usgs":true,"family":"Sass","given":"J.H.","email":"","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":631715,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sammel, Edward A.","contributorId":78320,"corporation":false,"usgs":true,"family":"Sammel","given":"Edward","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":631716,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70207258,"text":"70207258 - 1976 - Uranium resource assessment in the United States","interactions":[],"lastModifiedDate":"2020-06-01T19:58:16.074591","indexId":"70207258","displayToPublicDate":"1976-12-13T13:52:29","publicationYear":"1976","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Uranium resource assessment in the United States","docAbstract":"

Uranium is a ubiquitous element-- a little is found in nearly every natural occurring materials, and it is concentrated in many different geologic environments. Thus, uranium differs markedly from the fossil fuels both in its occurrence and how its resources can be assessed. On the one hand uranium behaves like other metals in its occurrences. On the other hand, as a fuel it is like the hydrocarbons in that it is a non-recyclable resources. In addition, uranium occurs in two isotopes that potential  may supply energy-- U235 and U238. Present only 0.7% of natural uranium. New technology is being developed to utilize the more abundant isotope U238. Consequently, the U238 obtained from uranium ores that have already been mined and processed (which is now stockpiled) is a resource that may be used in the future. 

","largerWorkType":{"id":24,"text":"Conference Paper"},"largerWorkTitle":"First IIASA Conference on Energy Resources","largerWorkSubtype":{"id":19,"text":"Conference Paper"},"conferenceTitle":"First IIASA Conference on Energy Resources","conferenceDate":"May, 23-23, 1975","conferenceLocation":"Laxenburg, Austria","language":"English","publisher":"International Institute for Applied Systems Analysis","publisherLocation":"Laxenburg, Austria","issn":"0893-5505","usgsCitation":"Schnabel, R.W., and Finch, W., 1976, Uranium resource assessment in the United States, in First IIASA Conference on Energy Resources, v. 76-4, Laxenburg, Austria, May, 23-23, 1975, p. 619-631.","productDescription":"13 p.","startPage":"619","endPage":"631","costCenters":[],"links":[{"id":370265,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": 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The epicenter of the Hollister earthquake (ML = 5.1) of November 28, 1974, is located near the center of an 81‐line trilateration network which has been surveyed annually since 1971. Five lines in the neighborhood of the epicenter were surveyed just 2 days before the earthquake, and two other lines nearby were surveyed 48 days earlier. Although some of these measurements suggest a possible preearthquake anomaly in line length, the anomaly is within the uncertainty in measurement. A comparison of the most recent preearthquake survey (June 1974) and the most immediate postearthquake survey (December 1974 to January 1975) of the entire network indicates a uniform linear contraction of about 0.8 ppm. This is most reasonably attributed to survey error even though a systematic error of that magnitude is unexpected. We conclude that no demonstrable preseismic or coseismic deformation was detected and suggest that an upper limit for these phenomena is less than 1 ppm in line length. A reasonable dislocation model for the Hollister earthquake yields coseismic changes in line length not greater than a few parts in 107, well below the limit of detection in Geodolite surveys.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB081i020p03567","usgsCitation":"Savage, J.C., Spieth, M.A., and Prescott, W., 1976, Preseismic and coseismic deformation associated with the Hollister, California, earthquake of November 28, 1974: Journal of Geophysical Research, v. 81, no. 20, p. 3567-3574, https://doi.org/10.1029/JB081i020p03567.","productDescription":"8 p.","startPage":"3567","endPage":"3574","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":370170,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","city":"Hollister","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -121.6845703125,\n 36.65079252503471\n ],\n [\n -121.09130859375,\n 36.65079252503471\n ],\n [\n -121.09130859375,\n 37.142803443716836\n ],\n [\n -121.6845703125,\n 37.142803443716836\n ],\n [\n -121.6845703125,\n 36.65079252503471\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"81","issue":"20","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Savage, James C. 0000-0002-5114-7673 jasavage@usgs.gov","orcid":"https://orcid.org/0000-0002-5114-7673","contributorId":2412,"corporation":false,"usgs":true,"family":"Savage","given":"James","email":"jasavage@usgs.gov","middleInitial":"C.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":777207,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spieth, Mary Ann","contributorId":38990,"corporation":false,"usgs":true,"family":"Spieth","given":"Mary","email":"","middleInitial":"Ann","affiliations":[],"preferred":false,"id":777208,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Prescott, W.H.","contributorId":96337,"corporation":false,"usgs":true,"family":"Prescott","given":"W.H.","email":"","affiliations":[],"preferred":false,"id":777209,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70207186,"text":"70207186 - 1976 - Strain accumulation on the San Andreas Fault near Palmdale, California","interactions":[],"lastModifiedDate":"2020-06-01T12:46:50.176542","indexId":"70207186","displayToPublicDate":"1976-12-11T13:26:47","publicationYear":"1976","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}},"title":"Strain accumulation on the San Andreas Fault near Palmdale, California","docAbstract":"

Precise distance measurements of a 10×25 km 15‐station trilateration network that spans the San Andreas fault west of Palmdale, California, have been repeated annually in the period 1971–1975. The network appears to be deforming under simple uniform tensor shear of about 0.21±0.03 μstrain/yr with the direction of maximum right‐lateral shear parallel to the local strike of the San Andreas fault. Comparison of trilateration with triangulation surveys of the same network shows that the rate of strain accumulation has been constant over the past 40 yr. The strain accumulation can be explained by conventional dislocation models (i.e., slip at depth beneath a locked section) of the San Andreas fault with 30‐ to 50‐mm/yr slip. Leveling surveys along a 16‐km line that crosses the fault at Palmdale indicate significant changes in tilt but with frequent reversals, so that no net tilt has accumulated in the overall period 1935–1975.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB081i026p04901","usgsCitation":"Prescott, W., and Savage, J.C., 1976, Strain accumulation on the San Andreas Fault near Palmdale, California: Journal of Geophysical Research B: Solid Earth, v. 81, no. 26, p. 4901-4908, https://doi.org/10.1029/JB081i026p04901.","productDescription":"8 p.","startPage":"4901","endPage":"4908","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":370165,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -120.9375,\n 32.30570601389429\n ],\n [\n -115.07080078125,\n 32.30570601389429\n ],\n [\n -115.07080078125,\n 35.40696093270201\n ],\n [\n -120.9375,\n 35.40696093270201\n ],\n [\n -120.9375,\n 32.30570601389429\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"81","issue":"26","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Prescott, W.H.","contributorId":96337,"corporation":false,"usgs":true,"family":"Prescott","given":"W.H.","email":"","affiliations":[],"preferred":false,"id":777205,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Savage, James C. 0000-0002-5114-7673 jasavage@usgs.gov","orcid":"https://orcid.org/0000-0002-5114-7673","contributorId":2412,"corporation":false,"usgs":true,"family":"Savage","given":"James","email":"jasavage@usgs.gov","middleInitial":"C.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":777206,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":5222813,"text":"5222813 - 1976 - Canine tooth wear in captive big brown bats (Eptesicus fuscus)","interactions":[],"lastModifiedDate":"2025-03-10T16:19:47.166769","indexId":"5222813","displayToPublicDate":"1976-12-10T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2373,"text":"Journal of Mammalogy","onlineIssn":"1545-1542","printIssn":"0022-2372","active":true,"publicationSubtype":{"id":10}},"title":"Canine tooth wear in captive big brown bats (Eptesicus fuscus)","docAbstract":"

No abstract available. 

","language":"English","publisher":"Oxford Academic","doi":"10.2307/1379457","usgsCitation":"Clark, D.R., 1976, Canine tooth wear in captive big brown bats (Eptesicus fuscus): Journal of Mammalogy, v. 57, no. 4, p. 778-780, https://doi.org/10.2307/1379457.","productDescription":"3 p.","startPage":"778","endPage":"780","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":199655,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maryland","county":"Prince Georges County","otherGeospatial":"Montpelier Mansion State Historical Site","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"id\":3623,\"properties\":{\"name\":\"Prince George 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D. R. Jr.","contributorId":40928,"corporation":false,"usgs":true,"family":"Clark","given":"D.","suffix":"Jr.","middleInitial":"R.","affiliations":[],"preferred":false,"id":337207,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70206435,"text":"70206435 - 1976 - Industrial glass beads in beach sand from Chesapeake Bay, Maryland","interactions":[],"lastModifiedDate":"2019-11-04T07:22:16","indexId":"70206435","displayToPublicDate":"1976-12-01T06:33:09","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1228,"text":"Chesapeake Science","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Industrial glass beads in beach sand from Chesapeake Bay, Maryland","title":"Industrial glass beads in beach sand from Chesapeake Bay, Maryland","docAbstract":"

No abstract available. 

","language":"English ","doi":"10.2307/1350526","issn":"00093262","usgsCitation":"Finkelman, R.B., Milton, C., and Larson, R., 1976, Industrial glass beads in beach sand from Chesapeake Bay, Maryland: Chesapeake Science, v. 17, no. 4, p. 310-310, https://doi.org/10.2307/1350526.","productDescription":"1 p.","startPage":"310","endPage":"310","costCenters":[],"links":[{"id":368913,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States ","state":"Maryland, Virginia ","otherGeospatial":"Chesapeake Bay ","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -76.5142822265625,\n 37.77505678240509\n ],\n [\n -75.6298828125,\n 37.77505678240509\n ],\n [\n -75.6298828125,\n 38.565347844885466\n ],\n [\n -76.5142822265625,\n 38.565347844885466\n ],\n [\n -76.5142822265625,\n 37.77505678240509\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"17","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Finkelman, R. B.","contributorId":20341,"corporation":false,"usgs":true,"family":"Finkelman","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":774533,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Milton, C.","contributorId":37472,"corporation":false,"usgs":true,"family":"Milton","given":"C.","affiliations":[],"preferred":false,"id":774534,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Larson, R.R.","contributorId":29803,"corporation":false,"usgs":true,"family":"Larson","given":"R.R.","email":"","affiliations":[],"preferred":false,"id":774535,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70119569,"text":"70119569 - 1976 - Fat content in migratory central Arizona Brazilian free-tailed bats, Tadarida brasiliensis (Molossidae)","interactions":[],"lastModifiedDate":"2014-08-07T13:55:30","indexId":"70119569","displayToPublicDate":"1976-11-20T13:44:56","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3451,"text":"Southwestern Naturalist","active":true,"publicationSubtype":{"id":10}},"title":"Fat content in migratory central Arizona Brazilian free-tailed bats, Tadarida brasiliensis (Molossidae)","docAbstract":"Fat content of migratory Tadarida brasiliensis was determined during the spring, summer and fall of 1972 in the Verde Valley of Arizona. Fat indices were highest in March arrivals, generally declined throughout the summer, and were lowest in September. In both 1972 and 1973 bats had arrived at the study area by mid-March. In 1971 bats were last noted at the area in mid-October while in 1972 they had disappeared by late September. On the basis on physiological calculations it is estimated that bats collected in March 1972 possessed sufficient fat reserves to carry them a mean distance of 716 km north of the study area while September bats had only enough reserves to fly 386 km southward, about 160 km short of the nearest known Sonora wintering locality. It is suggested that in spring the bats may have a more rigidly timed migration and so put on excess fat to counter an uncertain environment to the north. The fall migration may be triggered by more unpredictable events, such as the passage of cold fronts, and less fat reserves may be required for movements into more favorable southern locales.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Southwestern Naturalist","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Southwestern Association of Naturalists","publisherLocation":"Dallas, TX","doi":"10.2307/3669717","usgsCitation":"O'Shea, T., 1976, Fat content in migratory central Arizona Brazilian free-tailed bats, Tadarida brasiliensis (Molossidae): Southwestern Naturalist, v. 21, no. 3, p. 321-326, https://doi.org/10.2307/3669717.","productDescription":"6 p.","startPage":"321","endPage":"326","numberOfPages":"6","costCenters":[],"links":[{"id":503489,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://zotero.org/groups/5435545/items/PMVZA2NU","text":"External Repository"},{"id":291848,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":291847,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.2307/3669717"}],"country":"United States","state":"Arizona","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -114.8166,31.3322 ], [ -114.8166,37.0043 ], [ -109.0452,37.0043 ], [ -109.0452,31.3322 ], [ -114.8166,31.3322 ] ] ] } } ] }","volume":"21","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53e492cbe4b0fff40428a573","contributors":{"authors":[{"text":"O'Shea, Thomas J. 0000-0002-0758-9730","orcid":"https://orcid.org/0000-0002-0758-9730","contributorId":78071,"corporation":false,"usgs":true,"family":"O'Shea","given":"Thomas J.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":false,"id":497721,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70011158,"text":"70011158 - 1976 - Episodic strain accumulation in Southern California","interactions":[],"lastModifiedDate":"2026-01-16T16:49:39.723261","indexId":"70011158","displayToPublicDate":"1976-11-12T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Episodic strain accumulation in Southern California","docAbstract":"

Reexamination of horizontal geodetic data in the region of recently discovered aseismic uplift has demonstrated that equally unusual horizontal crustal deformation accompanied the development of the uplift. During this time interval compressive strains were oriented roughly normal to the San Andreas fault, suggesting that the uplift produced little shear strain accumulation across this fault. On the other hand, the orientation of the anomalous shear straining is consistent with strain accumulation across northdipping range-front thrusts like the San Fernando fault. Accordingly, the horizontal and vertical crustal deformation disclosed by geodetic observation is interpreted as a short epoch of rapid strain accumulation on these frontal faults. If this interpretation is correct, thrust-type earthquakes will eventually release the accumulated strains, but the geodetic data examined here cannot be used to estimate when these events might occur. However, observation of an unusual sequence of tilts prior to 1971 on a level line lying to the north of the magnitude 6.4 San Fernando earthquake offers some promise for precursor monitoring. The data are adequately explained by a simple model of up-dip aseismic slip propagation toward the 1971 epicentral region. These observations and the simple model that accounts for them suggest a conceptually straightforward monitoring scheme to search for similar uplift and tilt precursors within the uplifted region. Such premonitory effects could be detected by a combination of frequently repeated short (30 to 70 km in length) level line measurements, precise gravity traverses, and continuously recording gravimeters sited to the north of the active frontal thrust faults. Once identified, such precursors could be closely followed in space and time, and might then provide effective warnings of impending potentially destructive earthquakes.

","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.194.4266.691","issn":"00368075","usgsCitation":"Thatcher, W., 1976, Episodic strain accumulation in Southern California: Science, v. 194, no. 4266, p. 691-695, https://doi.org/10.1126/science.194.4266.691.","productDescription":"5 p.","startPage":"691","endPage":"695","costCenters":[],"links":[{"id":221024,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Southern California","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -121.9804029819224,\n 36.30513645238112\n ],\n [\n -120.96601429202806,\n 34.360346703747\n ],\n [\n -119.17331019306403,\n 32.27556539094205\n ],\n [\n -114.34970515576546,\n 32.86548144988561\n ],\n [\n -114.08039140095518,\n 34.30260170922787\n ],\n [\n -114.596289953596,\n 34.95052476022777\n ],\n [\n -117.75432473596952,\n 37.47447472393604\n ],\n [\n -121.9804029819224,\n 36.30513645238112\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"194","issue":"4266","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0a15e4b0c8380cd521c3","contributors":{"authors":[{"text":"Thatcher, W.","contributorId":32669,"corporation":false,"usgs":true,"family":"Thatcher","given":"W.","email":"","affiliations":[],"preferred":false,"id":360421,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70233438,"text":"70233438 - 1976 - Field recalibration of radiometers by using the shading technique","interactions":[],"lastModifiedDate":"2022-07-20T16:58:05.335994","indexId":"70233438","displayToPublicDate":"1976-11-01T11:55:29","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Field recalibration of radiometers by using the shading technique","docAbstract":"

Use of radiometers to measure radiant energy components in energy budgets is widespread in water-resources studies. Previous experience has shown that readings of radiometers may contain substantial errors. These errors may be due to deterioration of the instrument during use and (or) inaccurate initial calibration. Both of these errors may be detected and corrected by proper field recalibration. After 10 months in the field, two Beckman-Whitley total hemispherical radiometers and one Eppley pyranometer were recalibrated by using the shading technique. The working standard was an Eppley pyrheliometer. Errors as great as 38 percent were discovered. New calibration constants were determined for all three field instruments. The shading technique is a rapid, accurate method of recalibrating under field conditions. It is important that the working standard be directly traceable to a primary standard which has participated in the International Comparisons of Pyrheliometers. With, an accurate working standard and careful technique, very accurate field recalibration is possible.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Jackman, A.P., and Noble, R., 1976, Field recalibration of radiometers by using the shading technique: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 757-764.","productDescription":"8 p.","startPage":"757","endPage":"764","costCenters":[],"links":[{"id":404142,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404141,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Jackman, Alan P.","contributorId":28239,"corporation":false,"usgs":true,"family":"Jackman","given":"Alan","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":847101,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Noble, Richard D.","contributorId":293491,"corporation":false,"usgs":false,"family":"Noble","given":"Richard D.","affiliations":[],"preferred":false,"id":847102,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70233437,"text":"70233437 - 1976 - Liquid scintillation counting of filtered algae in primary production studies","interactions":[],"lastModifiedDate":"2022-07-20T16:54:52.017014","indexId":"70233437","displayToPublicDate":"1976-11-01T11:52:26","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Liquid scintillation counting of filtered algae in primary production studies","docAbstract":"

A technique for preparing phytoplankton samples for liquid scintillation counting and standardization has been developed. It consists of digestion of the carbon-14 labeled algae on small, inert filters coupled with a filter standardization and channels ratio method of efficiency determination. The technique is an alternative to many currently used methods which result in two-phase systems whose counting efficiency cannot be easily determined. Although it does not produce a purely homogeneous solution, the proposed technique does allow for a more accurate determination of counting efficiency within the usual range of application in eutrophic or saline water.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Stephens, D.W., 1976, Liquid scintillation counting of filtered algae in primary production studies: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 753-756.","productDescription":"4 p.","startPage":"753","endPage":"756","costCenters":[],"links":[{"id":404140,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404139,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Stephens, Doyle W.","contributorId":40195,"corporation":false,"usgs":true,"family":"Stephens","given":"Doyle","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":847100,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70233436,"text":"70233436 - 1976 - Classification of organic solutes in water by using macroreticular resins","interactions":[],"lastModifiedDate":"2022-07-20T16:51:50.183656","indexId":"70233436","displayToPublicDate":"1976-11-01T11:49:50","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Classification of organic solutes in water by using macroreticular resins","docAbstract":"

A series of macroreticular resin adsorbents was evaluated for ability to extract and fractionate organic solutes found in natural waters. Studies with organic solute standards and natural water samples lead to the development of dissolved organic carbon (DOC) fractionation analysis whereby the DOC is concentrated and fractionated by macroreticular resins into acid, base, and neutral hydrophobic organic solute fractions and into acid, base, and neutral hydrophilic organic solute fractions. The hydrophobic solutes were sorbed and fractionated on nonionic, nonpolar macroreticular resins, and the hydrophilic solutes were sorbed and fractionated by macroreticular ion-exchange resins. Organic-inorganic complexes as well as organic solutes were isolated by resin sorption. DOC fractionation analysis was developed to serve as a compound classification that fills the gap in organic solute characterization between the organic solute concentration (DOC) and specific compound identification.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Leenheer, J., and Huffman, E.W., 1976, Classification of organic solutes in water by using macroreticular resins: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 737-751.","productDescription":"15 p.","startPage":"737","endPage":"751","costCenters":[],"links":[{"id":404138,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404137,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Leenheer, J.A.","contributorId":75123,"corporation":false,"usgs":true,"family":"Leenheer","given":"J.A.","affiliations":[],"preferred":false,"id":847098,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Huffman, Edward W. D. Jr.","contributorId":79519,"corporation":false,"usgs":true,"family":"Huffman","given":"Edward","suffix":"Jr.","email":"","middleInitial":"W. D.","affiliations":[],"preferred":false,"id":847099,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70233435,"text":"70233435 - 1976 - Relations among surficial materials, light intensity, and sycamore-seed germination along the Potomac River near Washington, D.C.","interactions":[],"lastModifiedDate":"2022-07-20T16:49:08.300182","indexId":"70233435","displayToPublicDate":"1976-11-01T11:45:04","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Relations among surficial materials, light intensity, and sycamore-seed germination along the Potomac River near Washington, D.C.","docAbstract":"

Seed of sycamore, a common tree on river flood plains, germinate in mineral soil exposed to high light intensities. Germination rates are low on surfaces covered with leaf litter, and seedlings die when shaded by closely spaced herbaceous plants. All germination rates were higher when seed were kept moist. Surflcial materials and light values in this study are similar to those on flood plains. Results were derived from counting seedlings after planting 1,000 seeds in each of several flats filled with different kinds of flood-plain and upland soils.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Sigafoos, R.S., 1976, Relations among surficial materials, light intensity, and sycamore-seed germination along the Potomac River near Washington, D.C.: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 733-736.","productDescription":"4 p.","startPage":"733","endPage":"736","costCenters":[],"links":[{"id":404136,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404135,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"District of Columbia, Virginia","city":"Washington DC","otherGeospatial":"Potomac River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -77.26959228515625,\n 38.37396220263095\n ],\n [\n -77.28057861328125,\n 38.54601733154524\n ],\n [\n -77.1624755859375,\n 38.64047263931151\n ],\n [\n -77.03887939453125,\n 38.762650338334154\n ],\n [\n -77.02789306640625,\n 38.81189098781871\n ],\n [\n -76.915283203125,\n 38.90172091499795\n ],\n [\n -77.04437255859375,\n 38.997841307500714\n ],\n [\n -77.1295166015625,\n 38.93163900447185\n ],\n [\n -77.17071533203125,\n 38.965815660189016\n ],\n [\n -77.24761962890625,\n 38.99997583555929\n ],\n [\n -77.29156494140625,\n 39.049052206453524\n ],\n [\n -77.45086669921875,\n 39.07037913108751\n ],\n [\n -77.53875732421874,\n 39.091699613104595\n ],\n [\n -77.8326416015625,\n 38.74337300148123\n ],\n [\n -77.26959228515625,\n 38.37396220263095\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Sigafoos, Robert S.","contributorId":82379,"corporation":false,"usgs":true,"family":"Sigafoos","given":"Robert","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":847097,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70233434,"text":"70233434 - 1976 - Use of thermal-infrared imagery in ground-water investigations, northwestern Montana","interactions":[],"lastModifiedDate":"2022-07-20T16:44:15.454946","indexId":"70233434","displayToPublicDate":"1976-11-01T11:37:04","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Use of thermal-infrared imagery in ground-water investigations, northwestern Montana","docAbstract":"

Thermal-infrared imagery was used to locate ground-water inflow along a 50-mile (80-kilometre) reach of the Kootenai River and Lake Koocanusa and a 55-mi (88-km) reach of the Clark Fork of the Columbia River in northwestern Montana and northeastern Idaho. The imagery confirmed that measured streamflow gains below Noxon Rapids Dam, ranging from 1,000 to 2,500 cubic feet per second (28 to 71 cubic metres per second), resulted from inflow of ground water, which was about 2.5° Celsius warmer than surface water. The thermal scanner (8.5-11 micrometres) used in May 1972 and March 1973 was mounted in a twin-engined aircraft. On the March 1973 flight, the data were recorded in an analog format on magnetic tape in flight, later were converted to digital format, and then were computer processed using an assignment of patterns to indicate differences in water temperature. Thus, subtle temperature differences are much easier to identify than they are oh conventional film-negative displays. The output data from the image-processing program can be converted to temperature maps having an isotherm spacing of 0.5°C.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Boettcher, A.J., Haralick, R.M., Paul, C.A., and Smothers, N., 1976, Use of thermal-infrared imagery in ground-water investigations, northwestern Montana: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 727-732.","productDescription":"6 p.","startPage":"727","endPage":"732","costCenters":[],"links":[{"id":404134,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404133,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf"}],"country":"United States","state":"Montana","otherGeospatial":"Clark Fork, Kootenai River, Lake Koocanusa, Noxon Rapids Dam","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -116,\n 47.5\n ],\n [\n -114.98291015625,\n 47.5\n ],\n [\n -114.98291015625,\n 49\n ],\n [\n -116,\n 49\n ],\n [\n -116,\n 47.5\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Boettcher, A. J.","contributorId":25965,"corporation":false,"usgs":true,"family":"Boettcher","given":"A.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":847093,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Haralick, R. M.","contributorId":63728,"corporation":false,"usgs":true,"family":"Haralick","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":847094,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Paul, C. A.","contributorId":293489,"corporation":false,"usgs":false,"family":"Paul","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":847095,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Smothers, Norman","contributorId":293490,"corporation":false,"usgs":false,"family":"Smothers","given":"Norman","email":"","affiliations":[],"preferred":false,"id":847096,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70233433,"text":"70233433 - 1976 - Microprobe study of olivine chromitites of the Goodnews Bay ultramafic complex, Alaska, and the occurrence of platinum","interactions":[],"lastModifiedDate":"2022-07-20T16:35:34.550919","indexId":"70233433","displayToPublicDate":"1976-11-01T11:32:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Microprobe study of olivine chromitites of the Goodnews Bay ultramafic complex, Alaska, and the occurrence of platinum","docAbstract":"

Electron-microprobe analyses of the dunite and olivine chromitite of the ultramaflc complex at Goodnews Bay, Alaska, show that the chromite contains more ferrous and ferric iron than is found in chromite from alpine or stratiform complexes. The iron-magnesium distribution coefficients between chromite and olivine demonstrate that more ferrous iron is partitioned to the chromite in the Goodnews Bay complex than to the chromite in stratiform chromitite but that the distribution is similar to that for alpine chromitite. The high iron content of the chromite and olivine at Goodnews Bay and the general geology of the complex indicate that it is a concentric-type ultramaflc complex similar to the platinum-bearing concentric complexes of southeastern Alaska. A platinum-alloy inclusion in the chromite found in the ultramaflc section at Goodnews Bay demonstrates that the olivine chromitite is the source of at least some of the platinum.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Bird, M.L., and Clark, A.L., 1976, Microprobe study of olivine chromitites of the Goodnews Bay ultramafic complex, Alaska, and the occurrence of platinum: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 717-725.","productDescription":"9 p.","startPage":"717","endPage":"725","costCenters":[],"links":[{"id":404132,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404131,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf"}],"country":"United States","state":"Alaska","otherGeospatial":"Goodnews Bay","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -161.95770263671875,\n 58.80662978572915\n ],\n [\n -161.47979736328125,\n 58.80662978572915\n ],\n [\n -161.47979736328125,\n 59.19562559533593\n ],\n [\n -161.95770263671875,\n 59.19562559533593\n ],\n [\n -161.95770263671875,\n 58.80662978572915\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bird, M. L.","contributorId":77176,"corporation":false,"usgs":true,"family":"Bird","given":"M.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":847091,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clark, A. L.","contributorId":89502,"corporation":false,"usgs":true,"family":"Clark","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":847092,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70233432,"text":"70233432 - 1976 - Brannerite from the Penn Haven Junction uranium occurrence, Carbon County, Pennsylvania","interactions":[],"lastModifiedDate":"2022-07-20T16:30:58.467529","indexId":"70233432","displayToPublicDate":"1976-11-01T11:23:43","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Brannerite from the Penn Haven Junction uranium occurrence, Carbon County, Pennsylvania","docAbstract":"

Thorium-free brannerite has been identified in Upper Devonian uraniferous sandstone from Penn Haven Junction, Carbon County, Pa. The brannerite was located by a variation of the \"Lexan\" technique and is associated with galena, uraninite, and clausthalite. The angular thorium-free nature of the brannerite suggests that it formed by metamorphism of uranium-saturated leucoxene. As a result of the metamorphism some uranium may be in less soluble minerals than those found in the uranium deposits of the Western United States. For this reason, in-place leaching of the uranium may be impractical.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Finkelman, R.B., and Klemic, H., 1976, Brannerite from the Penn Haven Junction uranium occurrence, Carbon County, Pennsylvania: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 715-716.","productDescription":"2 p.","startPage":"715","endPage":"716","costCenters":[],"links":[{"id":404130,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404129,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Pennsylvania","county":"Carbon County","otherGeospatial":"Penn Haven Junction","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-75.9977,40.9133],[-75.9027,40.9471],[-75.888,40.9523],[-75.8604,40.962],[-75.8481,40.9664],[-75.8388,40.973],[-75.8186,40.98],[-75.8039,40.9839],[-75.8014,40.9843],[-75.7861,40.9891],[-75.756,41.001],[-75.7498,41.0041],[-75.735,41.0107],[-75.7386,41.0144],[-75.7438,41.0262],[-75.7438,41.0271],[-75.7442,41.0317],[-75.7454,41.0353],[-75.7496,41.0372],[-75.7581,41.0368],[-75.7622,41.0442],[-75.7646,41.0469],[-75.767,41.0497],[-75.7687,41.0542],[-75.7692,41.0588],[-75.7707,41.0729],[-75.7692,41.081],[-75.7655,41.0841],[-75.7666,41.091],[-75.7646,41.0946],[-75.758,41.0936],[-75.7524,41.0958],[-75.7523,41.0998],[-75.7529,41.1026],[-75.751,41.1048],[-75.7327,41.1037],[-75.7302,41.1054],[-75.7295,41.1086],[-75.7258,41.1104],[-75.7222,41.1117],[-75.7209,41.1139],[-75.719,41.1162],[-75.7183,41.1189],[-75.7165,41.1189],[-75.7146,41.1193],[-75.7092,41.117],[-75.7055,41.1187],[-75.7042,41.1232],[-75.6924,41.1308],[-75.6863,41.1311],[-75.6808,41.1324],[-75.6734,41.1337],[-75.6655,41.134],[-75.6631,41.1317],[-75.6613,41.1308],[-75.6577,41.1276],[-75.656,41.123],[-75.6555,41.1189],[-75.6518,41.1184],[-75.6474,41.1233],[-75.6451,41.1206],[-75.6452,41.1156],[-75.6428,41.1146],[-75.6337,41.1136],[-75.6331,41.1131],[-75.6319,41.1099],[-75.6307,41.1095],[-75.6259,41.1085],[-75.6252,41.1098],[-75.6246,41.1112],[-75.6227,41.1116],[-75.6209,41.1111],[-75.6185,41.1093],[-75.6144,41.1042],[-75.6127,41.1006],[-75.6121,41.0974],[-75.6043,41.095],[-75.6038,41.0905],[-75.6033,41.0877],[-75.6015,41.0863],[-75.5973,41.0845],[-75.5919,41.0808],[-75.5811,41.0724],[-75.5745,41.0678],[-75.5716,41.0632],[-75.5693,41.0573],[-75.5689,41.0527],[-75.5676,41.0523],[-75.5616,41.0494],[-75.5527,41.042],[-75.5468,41.0356],[-75.539,41.0287],[-75.5301,41.0208],[-75.4963,40.9894],[-75.5,40.9863],[-75.5389,40.967],[-75.5343,40.9596],[-75.5663,40.9461],[-75.5552,40.9286],[-75.5347,40.9016],[-75.5171,40.8786],[-75.4995,40.8547],[-75.4989,40.8538],[-75.4866,40.8382],[-75.4826,40.83],[-75.4757,40.8135],[-75.5434,40.8037],[-75.5855,40.7966],[-75.5929,40.7936],[-75.5972,40.7905],[-75.6015,40.7882],[-75.6107,40.7861],[-75.6277,40.7841],[-75.6656,40.7769],[-75.6821,40.7735],[-75.6857,40.7727],[-75.6943,40.7674],[-75.6993,40.7643],[-75.7281,40.7524],[-75.733,40.7489],[-75.7411,40.7412],[-75.7467,40.7382],[-75.7546,40.7351],[-75.7881,40.756],[-75.7995,40.7629],[-75.8096,40.7694],[-75.8413,40.7898],[-75.8593,40.8013],[-75.8724,40.8083],[-75.8856,40.8162],[-75.9083,40.8328],[-75.9149,40.8388],[-75.9214,40.8448],[-75.9632,40.8825],[-75.9787,40.8968],[-75.984,40.9014],[-75.9888,40.9055],[-75.9977,40.9133]]]},\"properties\":{\"name\":\"Carbon\",\"state\":\"PA\"}}]}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Finkelman, R. B.","contributorId":20341,"corporation":false,"usgs":true,"family":"Finkelman","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":847088,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Klemic, Harry","contributorId":49767,"corporation":false,"usgs":true,"family":"Klemic","given":"Harry","email":"","affiliations":[],"preferred":false,"id":847089,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70233430,"text":"70233430 - 1976 - Metagraywacke in the Salinian Block, central Coast Ranges, California: And a possible correlative across the San Andreas Fault","interactions":[],"lastModifiedDate":"2022-07-20T16:20:58.658521","indexId":"70233430","displayToPublicDate":"1976-11-01T11:14:47","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Metagraywacke in the Salinian Block, central Coast Ranges, California: And a possible correlative across the San Andreas Fault","docAbstract":"

The schist of Sierra de Salinas is a monotonously homogeneous biotite quartzofeldspathic schist with minor amounts of quartzite, amphibolite, and marble that forms a northwest-trending outcrop belt that strikes across parts of the Santa Lucia and Gabilan Ranges and is traceable further south in the subsurface to where it is presumably cut off by the San Andreas fault zone. Chemical composition of the schist is similar to that of \"average\" graywackes. This large and monotonous terrane of metagraywacke is anomalous in the Salinian block, where a great variety of metamorphic rocks is the general rule. The age of the schist is not known, but it has been intruded by granitic rocks of presumably mid-Cretaceous age. Although it contains somewhat greater amounts of admixed quartzite, amphibolite, and marble, the schist of Portal-Bitter Ridge (Pelona Schist?), on the east side of the San Andreas fault and west of Palmdale, is nevertheless modally and chemically similar to the schist (metagraywacke) of Sierra de Salinas, and I suggest that the two terranes are correlative and once were contiguous.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Ross, D.C., 1976, Metagraywacke in the Salinian Block, central Coast Ranges, California: And a possible correlative across the San Andreas Fault: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 683-696.","productDescription":"14 p.","startPage":"683","endPage":"696","costCenters":[],"links":[{"id":404128,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404127,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"California","otherGeospatial":"central Coast Ranges","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -122,\n 36.45\n ],\n [\n -120.75,\n 36.45\n ],\n [\n -120.75,\n 36\n ],\n [\n -122,\n 36\n ],\n [\n -122,\n 36.45\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Ross, Donald C.","contributorId":146987,"corporation":false,"usgs":true,"family":"Ross","given":"Donald","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":847087,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70233429,"text":"70233429 - 1976 - Gravity studies in the Carolina slate belt near the Haile and Brewer mines, north-central South Carolina","interactions":[],"lastModifiedDate":"2022-07-20T16:06:24.710073","indexId":"70233429","displayToPublicDate":"1976-11-01T10:57:36","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Gravity studies in the Carolina slate belt near the Haile and Brewer mines, north-central South Carolina","docAbstract":"

The Bouguer gravity map of part of the Carolina slate belt near the Haile and Brewer mines in South Carolina shows anomalies related to rock units. The most conspicuous of the anomalies coincide with coarse-grained granitic plutons. Mathematically calculated models using an iterative three-dimensional solution of the gravity anomalies show that these plutons are steep-sided intrusive bodies that constrict at depth to small pipes or roots. The plutons are emplaced in and are probably largely confined to a unit of volcaniclastic rocks. The volcaniclastic rocks are probably 6,000 m to 10,000 m thick and similar in composition to those exposed in the vicinity of the plutons.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Bell, H., and Popenoe, P., 1976, Gravity studies in the Carolina slate belt near the Haile and Brewer mines, north-central South Carolina: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 667-682.","productDescription":"16 p.","startPage":"667","endPage":"682","costCenters":[],"links":[{"id":404126,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404125,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"South Carolina","otherGeospatial":"Haile and Brewer mines","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -80.75,\n 34.75\n ],\n [\n -81.25,\n 34.75\n ],\n [\n -81.25,\n 35\n ],\n [\n -80.75,\n 35\n ],\n [\n -80.75,\n 34.75\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Bell, Henry III","contributorId":37710,"corporation":false,"usgs":true,"family":"Bell","given":"Henry","suffix":"III","email":"","affiliations":[],"preferred":false,"id":847085,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Popenoe, Peter","contributorId":104078,"corporation":false,"usgs":true,"family":"Popenoe","given":"Peter","affiliations":[],"preferred":false,"id":847086,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70233428,"text":"70233428 - 1976 - A comparison of Landsat images and Nimbus thermal-inertia mapping of Oman","interactions":[],"lastModifiedDate":"2022-07-20T15:56:47.207751","indexId":"70233428","displayToPublicDate":"1976-11-01T10:43:54","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"A comparison of Landsat images and Nimbus thermal-inertia mapping of Oman","docAbstract":"

Thermal-inertia maps can be used in conjunction with Landsat photographs to resolve ambiguous identification of lithologies in remote areas.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Pohn, H.A., 1976, A comparison of Landsat images and Nimbus thermal-inertia mapping of Oman: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 661-665.","productDescription":"5 p.","startPage":"661","endPage":"665","costCenters":[],"links":[{"id":404124,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404123,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"Oman","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[58.86114,21.11403],[58.48799,20.42899],[58.03432,20.48144],[57.82637,20.243],[57.66576,19.736],[57.7887,19.06757],[57.69439,18.94471],[57.23426,18.94799],[56.60965,18.57427],[56.51219,18.08711],[56.28352,17.87607],[55.66149,17.88413],[55.26994,17.63231],[55.2749,17.22835],[54.791,16.9507],[54.23925,17.04498],[53.57051,16.70766],[53.10857,16.65105],[52.78218,17.34974],[52.00001,19],[54.99998,19.99999],[55.66666,22],[55.20834,22.70833],[55.23449,23.11099],[55.52584,23.52487],[55.52863,23.9336],[55.98121,24.13054],[55.80412,24.2696],[55.88623,24.92083],[56.39685,24.92473],[56.84514,24.24167],[57.40345,23.87859],[58.13695,23.74793],[58.72921,23.56567],[59.1805,22.9924],[59.4501,22.66027],[59.80806,22.53361],[59.80615,22.31052],[59.44219,21.71454],[59.28241,21.43389],[58.86114,21.11403]]],[[[56.39142,25.89599],[56.26104,25.71461],[56.07082,26.05546],[56.36202,26.39593],[56.48568,26.30912],[56.39142,25.89599]]]]},\"properties\":{\"name\":\"Oman\"}}]}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Pohn, Howard A.","contributorId":66681,"corporation":false,"usgs":true,"family":"Pohn","given":"Howard","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":847084,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70233427,"text":"70233427 - 1976 - Geothermal flux through palagonitized tephra, Surtsey, Iceland: The Surtsey temperature-data-relay experiment via Landsat-1","interactions":[],"lastModifiedDate":"2022-07-20T15:42:42.446929","indexId":"70233427","displayToPublicDate":"1976-11-01T10:34:11","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Geothermal flux through palagonitized tephra, Surtsey, Iceland: The Surtsey temperature-data-relay experiment via Landsat-1","docAbstract":"

The net geothermal flux through palagonitized basaltic tephra rims of the Surtur I and Surtur II craters at Surtsey, Iceland, in 1972, is estimated at 780 ±325 μcal cm-2s-1, indicating a decline since 1969 when a flux of 1,500 μcal cm-2s-1 was estimated. Heat flux in this range characterizes the postvolcanic environment on Surtsey in which the subaerial palagonitization of basaltic tephra is associated with mass transfer of hydrothermal vapor, either of meteoric or sea-water origin, only a few years after cessation of eruptive activity. The flux estimation is the result of the Surtsey data-relay experiment via Landsat-1 which was carried. out in several phases. Successful field installation and test transmissions demonstrated the feasibility of repetitive long-distance (that is, 4,800-km) data transmission and reception from a volcanic environment in Iceland via the Landsat Data Collection System. Temperature data were transmitted for a 38-day period in November and December 1972. A near-surface vertical gradient of 69.4 °C/m was obtained, suggesting a mixed mechanism of heat transfer, partitioned between conduction and convection. Comparison of four methods for estimating fluxes between 500 and 1,500 μcal cm-2s-1, using temperature data derived from the Data Collection Platform, suggests that, where the only temperature available are from the surface and a depth of 1 m, methods of estimating the net geothermal flux from examination of spectral radiance are superior to methods that assume dominant convection or conduction. A computerized thermal-modeling technique to construct parametric diurnal surface-temperature curves is particularly applicable. Flux-estimation methods that assume dominant convection or conduction are limited by the lack of temperature data at greater depths and lack of knowledge of the exact energy partition.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Friedman, J., Preble, D.M., and Jakobsson, S.P., 1976, Geothermal flux through palagonitized tephra, Surtsey, Iceland: The Surtsey temperature-data-relay experiment via Landsat-1: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 645-659.","productDescription":"15 p.","startPage":"645","endPage":"659","costCenters":[],"links":[{"id":404122,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404121,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"Iceland","otherGeospatial":"Surtsey","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -20.622711181640625,\n 63.295099351960246\n ],\n [\n -20.58614730834961,\n 63.295099351960246\n ],\n [\n -20.58614730834961,\n 63.313685020999294\n ],\n [\n -20.622711181640625,\n 63.313685020999294\n ],\n [\n -20.622711181640625,\n 63.295099351960246\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Friedman, Jules D.","contributorId":76757,"corporation":false,"usgs":true,"family":"Friedman","given":"Jules D.","affiliations":[],"preferred":false,"id":847081,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Preble, Duane M.","contributorId":36560,"corporation":false,"usgs":true,"family":"Preble","given":"Duane","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":847082,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Jakobsson, Sveinn P.","contributorId":40121,"corporation":false,"usgs":true,"family":"Jakobsson","given":"Sveinn","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":847083,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70233426,"text":"70233426 - 1976 - The heat capacities of Calorimetry Conference copper and of muscovite KAl2(AlSi3)O10 (OH)2, pyrophyllite Al2Si4O10(OH)2, and illite K3(Al7Mg)(Si14Al2)O40(OH)8 between 15 and 375 K and their standard entropies at 298.15 K","interactions":[],"lastModifiedDate":"2022-07-20T15:32:40.246918","indexId":"70233426","displayToPublicDate":"1976-11-01T10:17:10","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"displayTitle":"The heat capacities of Calorimetry Conference copper and of muscovite KAl2(AlSi3)O10(OH)2, pyrophyllite Al2Si4O10(OH)2, and illite K3(Al7Mg)(Si14Al2)O40(OH)8 between 15 and 375 K and their standard entropies at 298.15 K","title":"The heat capacities of Calorimetry Conference copper and of muscovite KAl2(AlSi3)O10 (OH)2, pyrophyllite Al2Si4O10(OH)2, and illite K3(Al7Mg)(Si14Al2)O40(OH)8 between 15 and 375 K and their standard entropies at 298.15 K","docAbstract":"

The heat capacities of Calorimetry Conference copper and of muscovite, pyrophyllite, and illite were measured between 15 and 375 K using an adiabatic calorimeter. Tables of the thermodynamic functions C°p.(H°T —H°O)/T, (G°T —H°O)/T, and S°T —S°O are presented for these phases at integral temperatures from 0 to. 370 K. At 298.15 K (25.0°C), S°T —S°O is 33.12±0.06, 287.7±0.6, 239.4±0.4, and 1,104.2±0.6 J/(mol•K) for copper, muscovite, pyrophyllite, and illite, respectively. The operation of a semiautomatic data-acquisition system for calorimetric measurements at low temperatures is also described, together with a description of a miniature calorimeter having a novel closure seal.

","language":"English","publisher":"U.S. Geological Survey","usgsCitation":"Robie, R.A., Hemingway, B., and Wilson, W.H., 1976, The heat capacities of Calorimetry Conference copper and of muscovite KAl2(AlSi3)O10 (OH)2, pyrophyllite Al2Si4O10(OH)2, and illite K3(Al7Mg)(Si14Al2)O40(OH)8 between 15 and 375 K and their standard entropies at 298.15 K: Journal of Research of the U.S. Geological Survey, v. 4, no. 6, p. 631-644.","productDescription":"14 p.","startPage":"631","endPage":"644","costCenters":[],"links":[{"id":404120,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":404119,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue6/report.pdf"}],"volume":"4","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Robie, Richard A.","contributorId":92235,"corporation":false,"usgs":true,"family":"Robie","given":"Richard","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":847078,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hemingway, Bruce S.","contributorId":13689,"corporation":false,"usgs":true,"family":"Hemingway","given":"Bruce S.","affiliations":[],"preferred":false,"id":847079,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wilson, William H.","contributorId":293488,"corporation":false,"usgs":false,"family":"Wilson","given":"William","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":847080,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70156620,"text":"70156620 - 1976 - Fracturing and subsidence of the land surface caused by the withdrawal of ground water in the Milford area, Utah","interactions":[],"lastModifiedDate":"2017-01-16T11:39:38","indexId":"70156620","displayToPublicDate":"1976-10-26T17:30:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Fracturing and subsidence of the land surface caused by the withdrawal of ground water in the Milford area, Utah","docAbstract":"

Fracturing and subsidence of the land surface in the Milford area of Utah have resulted from the decline of water levels due to pumping in unconsolidated deposits of Quaternary age. To the writers' knowledge, these are the first such effects of ground-water withdrawal reported in Utah.

\n

The fracturing is in an area about 1 mile (1.6 km) wide and 11 miles (18 km) long near Milford, in an unsaturated clay-silt zone (locally peaty at top) in the upper part of the principal ground-water reservoir. The fractures range in length from several feet to more than 100 feet (30 m), and their maximum measured depth in 1972 was 4 feet (1.2 m).

\n

Land subsidence in the Milford area is demonstrated by three lines of evidence: (1) collapse structures, (2) well casings that protrude higher above the land surface than when first placed in the borehole, and (3) lower elevations at National Ocean Survey (formerly U.S. Coast and Geodetic Survey) bench marks in 1970 than in 1908. This evidence shows that land subsidence in the Milford area is of two types, each having a different origin. One type has a near-surface origin in the clay-silt zone in the upper part of the principal groundwater reservoir, and the other is in the lower artesian aquifers of the principal ground-water reservoir. The amount of observed subsidence ranges from 0.05 foot (0.015 m) at the bench mark at Read to about 6 feet (1.8 m) at collapse structures in the Hay Springs area.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","collaboration":"Prepared in cooperation with the Utah Department of Natural Resources","usgsCitation":"Cordova, R., and Mower, R.W., 1976, Fracturing and subsidence of the land surface caused by the withdrawal of ground water in the Milford area, Utah: Journal of Research of the U.S. Geological Survey, v. 4, no. 5, p. 505-510.","productDescription":"6 p.","startPage":"505","endPage":"510","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":610,"text":"Utah Water Science Center","active":true,"usgs":true}],"links":[{"id":307387,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307386,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue5/report.pdf","text":"Full Journal issue","size":"19.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Utah","otherGeospatial":"Milford, Hay Springs","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -113.5,\n 38.2\n ],\n [\n -113.5,\n 38.8\n ],\n [\n -112.5,\n 38.8\n ],\n [\n -112.5,\n 38.2\n ],\n [\n -113.5,\n 38.2\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91b4e4b0518e354dd16b","contributors":{"authors":[{"text":"Cordova, R.M.","contributorId":77511,"corporation":false,"usgs":true,"family":"Cordova","given":"R.M.","email":"","affiliations":[],"preferred":false,"id":569694,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Mower, R. W.","contributorId":34898,"corporation":false,"usgs":true,"family":"Mower","given":"R.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":569695,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70156629,"text":"70156629 - 1976 - Field verification of method for distributing flow through multiple-bridge openings","interactions":[],"lastModifiedDate":"2015-08-25T12:14:51","indexId":"70156629","displayToPublicDate":"1976-10-26T17:15:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Field verification of method for distributing flow through multiple-bridge openings","docAbstract":"

Field data collected at three sites in Louisiana having multiple-bridge openings were used to check a method of distribution of flow through two or more bridges. Actual peak discharges in the various main and overflow bridges ranged from 878 to 11,055 cubic feet per second (24.9 to 313 m2/s). The error of the computed discharge to the actual discharge ranged between -20 and +6 percent, with the exception of one opening that had an error of +101 percent.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Lee, F.N., 1976, Field verification of method for distributing flow through multiple-bridge openings: Journal of Research of the U.S. Geological Survey, v. 4, no. 5, p. 539-543.","productDescription":"5 p.","startPage":"539","endPage":"543","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307403,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307402,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue5/report.pdf","text":"Report","size":"29.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Louisiana","otherGeospatial":"Castor Creek, Bayou de Loutre, Sixmile Creek","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -92.3,\n 32\n ],\n [\n -92.3,\n 32.1\n ],\n [\n -92.1,\n 32.1\n ],\n [\n -92.1,\n 32\n ],\n [\n -92.3,\n 32\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -92.44,\n 32.77\n ],\n [\n -92.44,\n 32.85\n ],\n [\n -92.37,\n 32.85\n ],\n [\n -92.37,\n 32.77\n ],\n [\n -92.44,\n 32.77\n ]\n ]\n ]\n }\n },\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -93.14,\n 30.82\n ],\n [\n -93.14,\n 30.87\n ],\n [\n -93,\n 30.87\n ],\n [\n -93,\n 30.82\n ],\n [\n -93.14,\n 30.82\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91b2e4b0518e354dd163","contributors":{"authors":[{"text":"Lee, Fred N.","contributorId":101282,"corporation":false,"usgs":true,"family":"Lee","given":"Fred","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":569727,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70156663,"text":"70156663 - 1976 - Sedimentary depositional environments of uranium and petroleum host rocks of the Jackson Group, south Texas","interactions":[],"lastModifiedDate":"2015-08-25T15:16:20","indexId":"70156663","displayToPublicDate":"1976-10-26T17:15:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Sedimentary depositional environments of uranium and petroleum host rocks of the Jackson Group, south Texas","docAbstract":"

Determination of depositional environments in rocks of the Jackson Group of late Eocene age aids in the exploration for uranium and petroleum in south Texas. During deposition of the Jackson Group, conditions were similar to those existing along the modern Gulf Coast of Texas except for a less arid climate and a greater supply of volcanic sediment. Sedimentary depositional environments recognized in both the modern coast and the Jackson rocks, in order from sea toward land, are: shoreface, beach, lagoon and bay, and paludal. Sediment deposited in these environments in places is interbedded with or transected by fluvial sediment. Both uranium and petroleum are found in the shoreface, beach, and fluvial facies. These facies are characterized by permeable well-sorted sandstone, which is commonly overlain and underlain by less permeable mudstone. A typical vertical sequence in ascending order through a unit containing a beach sandstone facies is (1) lagoonal or paludal clay stone and siltstone, (2) crossbedded fine-grained beach sandstone which contains Ophiomorpha burrows and, which, in places, is locally interbedded with lacustrine or lagoonal mudstone, (3) weakly laminated beach sandstone which contains root impressions at the top and Ophiomorpha, and (4) lagoonal or paludal claystone and siltstone. Gulfward, the beach sandstone apparently grades into highly burrowed, generally finer grained, more poorly sorted, less porous shoreface rocks. The beach facies may include barrier island beaches and mainland beaches, some of which were probably cheniers. Beach facies sandstone units extend many miles along the depositional strike, which nearly parallels the present outcrop strike, but extend only a mile or two (2-3 km) normal to the depositional strike into the subsurface. Recognition of the various facies in outcrops and drill holes is necessary for determination of true stratigraphic relations and for aid in exploration for beach and fluvial sandstone favorable for uranium and petroleum accumulations.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Dickinson, K.A., 1976, Sedimentary depositional environments of uranium and petroleum host rocks of the Jackson Group, south Texas: Journal of Research of the U.S. Geological Survey, v. 4, no. 5, p. 615-629.","productDescription":"15 p.","startPage":"615","endPage":"629","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307454,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307453,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue5/report.pdf","text":"Report","size":"29.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Texas","county":"Karnes County, McMullen County, Duval County","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -100,\n 31.541089879585808\n ],\n [\n -94,\n 31.541089879585808\n ],\n [\n -94,\n 29.649868677972304\n ],\n [\n -94.482421875,\n 29.401319510041485\n ],\n [\n -95.361328125,\n 28.844673680771795\n ],\n [\n -96.240234375,\n 28.478348692223165\n ],\n [\n -96.65771484375,\n 28.07198030177986\n ],\n [\n -97.119140625,\n 27.254629577800088\n ],\n [\n -97.22900390625,\n 26.43122806450644\n ],\n [\n -96.9873046875,\n 25.859223554761407\n ],\n [\n -97.42675781249999,\n 25.859223554761407\n ],\n [\n -98.19580078125,\n 26.03704188651584\n ],\n [\n -99.03076171875,\n 26.2145910237943\n ],\n [\n -99.5361328125,\n 27.00040800352175\n ],\n [\n -99.64599609375,\n 27.625140335093324\n ],\n [\n -100,\n 28.130127737874005\n ],\n [\n -100,\n 31.541089879585808\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91bee4b0518e354dd1b9","contributors":{"authors":[{"text":"Dickinson, Kendell A.","contributorId":55430,"corporation":false,"usgs":true,"family":"Dickinson","given":"Kendell","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":569861,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70156656,"text":"70156656 - 1976 - The aeromagnetic expression of bedrock geology between the Clinton-Newbury and Bloody Bluff fault zones, northeastern Massachusetts","interactions":[],"lastModifiedDate":"2015-08-25T14:38:08","indexId":"70156656","displayToPublicDate":"1976-10-26T17:15:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"The aeromagnetic expression of bedrock geology between the Clinton-Newbury and Bloody Bluff fault zones, northeastern Massachusetts","docAbstract":"

The pattern of mapped bedrock geology in northeastern Massachusetts bears a striking similarity to patterns of aeromagnetic anomalies in the area. The correspondence of the geology with the anomaly pattern and lineaments on aeromagnetic maps is especially well shown northwest of Boston between the Clinton-Newbury and Bloody Bluff fault zones. Here, an aluminous schist unit and an underlying series of metasedimentary and metavolcanic rocks south of the Clinton-Newbury fault zone coincide with a zone of northeast-trending positive anomalies that contrast with the broad magnetic low north of the fault. Nearly concordant granitic bodies intrude the metamorphic series and correspond to broad magnetic lows between the fault zones. Smaller narrower lows correspond to zones of amphibolite-carbonate rock. Commonly faults are indicated by lineaments that separate areas of different magnetic pattern and that offset or terminate other lineaments. The northeast-trending Spencer Brook and Assabet River fault zones and other unnamed faults are emphasized by magnetic lineaments trending slightly east of the strike of the stratigraphy.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Alvord, D., Bell, K., Pease, M.H., and Barosh, P.J., 1976, The aeromagnetic expression of bedrock geology between the Clinton-Newbury and Bloody Bluff fault zones, northeastern Massachusetts: Journal of Research of the U.S. Geological Survey, v. 4, no. 5, p. 601-604.","productDescription":"4 p.","startPage":"601","endPage":"604","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307441,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue5/report.pdf","text":"Report","size":"29.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"},{"id":307442,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"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 -71.8,\n 42\n ],\n [\n -71.8,\n 42.7\n ],\n [\n -71.2,\n 42.7\n ],\n [\n -71.2,\n 42\n ],\n [\n -71.8,\n 42\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91c0e4b0518e354dd1cd","contributors":{"authors":[{"text":"Alvord, Donald C.","contributorId":147001,"corporation":false,"usgs":true,"family":"Alvord","given":"Donald C.","affiliations":[],"preferred":false,"id":569830,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bell, Kenneth G.","contributorId":42490,"corporation":false,"usgs":true,"family":"Bell","given":"Kenneth G.","affiliations":[],"preferred":false,"id":569831,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pease, Maurice H. Jr.","contributorId":147002,"corporation":false,"usgs":true,"family":"Pease","given":"Maurice","suffix":"Jr.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":569832,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Barosh, Patrick J.","contributorId":147003,"corporation":false,"usgs":true,"family":"Barosh","given":"Patrick","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":569833,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70156648,"text":"70156648 - 1976 - Gamma-ray spectrometer measurement of 238U/235U in uranium ore from a natural reactor at Oklo, Gabon","interactions":[],"lastModifiedDate":"2015-08-25T14:09:39","indexId":"70156648","displayToPublicDate":"1976-10-26T17:15:00","publicationYear":"1976","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Gamma-ray spectrometer measurement of 238U/235U in uranium ore from a natural reactor at Oklo, Gabon","docAbstract":"

About 20 years ago, Kuroda theorized that a high-grade uranium deposit emplaced about 2x109 years ago could achieve criticality and sustain a nuclear chain reaction, given a sufficient thickness of high-grade ore and an appropriate water content. Such a natural reactor was found in 1972 at the Oklo deposit, Gabon. The ore contains as much as 60 percent uranium, but the isotopic abundance of 235U is as little as 0.4 percent in contrast to the normal abundance of 0.7110 percent 235U. A sample from the Oklo deposit containing about 0.51 atom percent 235U (by mass spectrometer) was analyzed by a gamma-ray spectrometer system, using a high-purity planar germanium detector. The 235U was determined from its daughter's (234Th) 63.3 keV photopeak; the 235U was determined from its 143.8 and 163.4 keV photopeaks. The ratios of these photopeaks were compared with that from a standard having normal uranium isotopic content; the resulting calculations give a 235U abundance of 0.54 atom percent in the Oklo sample. The gamma-ray spectrum also contains lines from five other isotopes in the uranium series, which indicate the Oklo sample to be at or near secular equilibrium, as the time elapsed since the nuclear reaction ended was sufficient to permit the daughters to achieve equilibrium.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Moxham, R.M., 1976, Gamma-ray spectrometer measurement of 238U/235U in uranium ore from a natural reactor at Oklo, Gabon: Journal of Research of the U.S. Geological Survey, v. 4, no. 5, p. 589-592.","productDescription":"4 p.","startPage":"589","endPage":"592","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307433,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":307432,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1976/vol4issue5/report.pdf","text":"Report","size":"29.18 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"Gabon","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 11.62353515625,\n -2.5479878714713706\n ],\n [\n 11.62353515625,\n -0.4833927027896987\n ],\n [\n 14.52392578125,\n -0.4833927027896987\n ],\n [\n 14.52392578125,\n -2.5479878714713706\n ],\n [\n 11.62353515625,\n -2.5479878714713706\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"4","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55dd91b4e4b0518e354dd16f","contributors":{"authors":[{"text":"Moxham, Robert M.","contributorId":56210,"corporation":false,"usgs":true,"family":"Moxham","given":"Robert","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":569806,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}