Rapid shoreline regression and transgression along the western Gulf of Maine between 13,000 and 9000 years B.P. are inferred to have produced a nearshore marine environment low in biologic productivity. Paleo-Indians living near the coast of the Gulf were probably forced to rely on nonmarine resources landward of the late-glacial marine limit. Thus, Paleo-Indian sites of the time period in question may be restricted in the region between the marine limit and the postglacial low sea-level stand, or may be altogether absent.
","language":"English","publisher":"Society for American Archaeology","usgsCitation":"Oldale, R.N., 1985, Rapid postglacial shoreline changes in the western Gulf of Maine and the Paleo-Indian environment: American Antiquity, v. 50, no. 1, p. 145-150.","productDescription":"6 p.","startPage":"145","endPage":"150","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296772,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":296771,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.jstor.org/stable/280640"}],"country":"United States","otherGeospatial":"Gulf of Maine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -67.203369140625,\n 45.058001435398296\n ],\n [\n -70.718994140625,\n 43.715534726205114\n ],\n [\n -71.070556640625,\n 41.52502957323801\n ],\n [\n -65.8740234375,\n 43.96119063892024\n ],\n [\n -67.203369140625,\n 45.058001435398296\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"50","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5492b747e4b00eda8915ad2d","contributors":{"authors":[{"text":"Oldale, Robert N.","contributorId":38953,"corporation":false,"usgs":true,"family":"Oldale","given":"Robert","email":"","middleInitial":"N.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536911,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70135804,"text":"70135804 - 1985 - Dolomitization in a mixing zone of near-seawater composition, Late Pleistocene, northeastern Yucatan Peninsula","interactions":[],"lastModifiedDate":"2024-05-16T11:15:12.336334","indexId":"70135804","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2451,"text":"Journal of Sedimentary Research","onlineIssn":"1938-3681","printIssn":"1527-1404","active":true,"publicationSubtype":{"id":10}},"title":"Dolomitization in a mixing zone of near-seawater composition, Late Pleistocene, northeastern Yucatan Peninsula","docAbstract":"Patches of dolomite occur in cores of reefal limestone from the shallow subsurface on the northeastern coast of the Yucatan Peninsula. This limestone accumulated during an interglacial high stand of sea level about 200,000 years ago. Dolomitization was preceded by freshwater diagenesis, including precipitation of sparry calcite cement, stabilization of Mg-calcitic skeletal fragments, and partial dissolution of aragonitic components. This suggests a predolomitization lowering of sea level with the consequent freshening of pore water. The subsequent precipitation of dolomite indicates a return to high sea level with the consequent increase in Mg/Ca ratio of pore water. Dolomitization took place during a brief high stand of sea level, either shortly after deposition about 200,000 yr BP, or, more likely, about 125,000 yr BP. Dolomite occurs both as microcrystalline replacement dolomite and as cement. The cement is part of the following diagenetic sequence: 1) limpid euhedral-subhedral calcian dolomite crystals, 2) zoned dolomite crystals with zones formed by variations of the calcium/magnesium ratio in dolomite, 3) layers of alternating calcian dolomite and magnesian calcite or calcite, and 4) calcite. This sequence represents the progressive freshening of ground water during the initial stage of a fall in sea level. Average cation composition of the limpid dolomite cement is Ca 57 Mg 43 (electron microprobe analysis). Zoned cement crystals are composed of Ca (sub 57-59) Mg (sub 43-41) layers and Ca 62 Mg 38 layers. Most of the higher-calcium dolomite layers are dissolved, forming hollow-zone crystals. In cement with alternating dolomite and calcite zones, the calcite is Ca (sub 99-97) Mg (sub 1-3) (low-Mg calcite) and Ca (sub 96-93) Mg (sub 4-7) (Mg calcite). The dolomite and Mg calcite zones are partially to totally leached. delta 18 O compositions of Yucatecan dolomite and of modern ground water suggest dolomite precipitation from mixed water ranging from about 75% seawater, 25% freshwater to nearly all seawater. (Isotope analyses are for the most stable calcian dolomites; more soluble, calcium-rich dolomite presumably is analyzed with calcite and thought to be isotopically lighter than the less soluble dolomite.) In the cement sequence, the most stable dolomite is followed by more soluble dolomite as ground water becomes less saline. Isotope analyses, together with position of dolomite in the cement sequence, suggest the most stable calcian dolomite (including limpid dolomite) precipitated from mixed water with large proportions of seawater, and the less stable, more calcian dolomite precipitated from fresher mixed water.
A major fault cutting through most of the crust can be identified and mapped on the Long Island platform using multichannel seismic reflection profiles and magnetic data. The fault, here called the Block Island fault (BIF), strikes north-northeast, dips westward at low angle, and does not resemble the thin-skinned thrust faulting observed in the foreland of the Appalachians. The BIF is located within the hinterland of the Appalachian mountain belt in the collision zone between Africa and North America. We present several interpretations but favor one in which the fault originated as an east-verging mid–late Paleozoic thrust fault, possibly related to the collision of Avalon or Meguma with North America. It was probably reactivated during early Mesozoic continental breakup and again in the Late Cretaceous and Tertiary, causing the steeply dipping postrift New Shoreham fault to form, either as an antithetic (normal) or splay (reverse) fault.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/0091-7613(1985)13<875:BIFAPC>2.0.CO;2","usgsCitation":"Hutchinson, D.R., Klitgord, K.D., and Detrick, R.S., 1985, Block Island fault: A Paleozoic crustal boundary on the Long Island platform: Geology, v. 13, no. 12, p. 875-879, https://doi.org/10.1130/0091-7613(1985)13<875:BIFAPC>2.0.CO;2.","productDescription":"5 p.","startPage":"875","endPage":"879","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296776,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Long Island platform","volume":"13","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5492b73ce4b00eda8915ad07","contributors":{"authors":[{"text":"Hutchinson, Deborah R. 0000-0002-2544-5466 dhutchinson@usgs.gov","orcid":"https://orcid.org/0000-0002-2544-5466","contributorId":521,"corporation":false,"usgs":true,"family":"Hutchinson","given":"Deborah","email":"dhutchinson@usgs.gov","middleInitial":"R.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536915,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Klitgord, Kim D.","contributorId":82307,"corporation":false,"usgs":true,"family":"Klitgord","given":"Kim","email":"","middleInitial":"D.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536916,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Detrick, R. S.","contributorId":29133,"corporation":false,"usgs":false,"family":"Detrick","given":"R.","email":"","middleInitial":"S.","affiliations":[{"id":6923,"text":"University of Rhode Island, Kingston, RI","active":true,"usgs":false}],"preferred":false,"id":536917,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70135805,"text":"70135805 - 1985 - Coupling of ocean bottom seismometers to sediment: Results of tests with the U.S. Geological Survey ocean bottom seismometer","interactions":[],"lastModifiedDate":"2023-10-28T15:44:56.081191","indexId":"70135805","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Coupling of ocean bottom seismometers to sediment: Results of tests with the U.S. Geological Survey ocean bottom seismometer","docAbstract":"The response of an ocean bottom seismometer (OBS) to a transient pull that excites the natural OBS-sediment coupling resonance can be modeled as a mass-spring-dashpot system in which the resonant frequency and damping are functions of instrument mass and bearing radius and of the physical properties of the sediment (primarily the shear modulus). For the very soft sediments sometimes found on the sea floor, this resonance may be within the main frequency band of interest (2 to 15 Hz) for many common instrument configurations. To test the model and to find an anchor that would shift the coupling resonance to a higher frequency and decrease its amplitude, we conducted a series of tests which measured the response of the vertical and horizontal components of the U.S. Geological Survey OBS to transient pulls as a function of anchor configuration and sediment properties. The tested anchors included a concrete “flowerpot,” a tripod, a plate, and a perforated plate. Sites were on soft, organic-rich ooze and on firm sand. Several small shots were also fired at the ooze site in order to compare the response of the plate and “flowerpot” anchors to seismic signals. For a given anchor at a given site, the observed response was very repeatable. We found that the model predicts the vertical coupling response quite well and that good vertical coupling can be achieved with the plate or perforated-plate anchors. The response to the horizontal pulls, however, was similar and resonant for all anchors.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/BSSA0750010271","usgsCitation":"Trehu, A.M., 1985, Coupling of ocean bottom seismometers to sediment: Results of tests with the U.S. Geological Survey ocean bottom seismometer: Bulletin of the Seismological Society of America, v. 75, no. 1, p. 271-289, https://doi.org/10.1785/BSSA0750010271.","productDescription":"19 p.","startPage":"271","endPage":"289","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":296756,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"75","issue":"1","noUsgsAuthors":false,"publicationDate":"1985-02-01","publicationStatus":"PW","scienceBaseUri":"5492b73ee4b00eda8915ad0c","contributors":{"authors":[{"text":"Trehu, Anne M.","contributorId":49884,"corporation":false,"usgs":false,"family":"Trehu","given":"Anne","email":"","middleInitial":"M.","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":536879,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70135813,"text":"70135813 - 1985 - Why deposits of longitudinal dunes are rarely recognized in the geologic record","interactions":[],"lastModifiedDate":"2014-12-17T13:41:56","indexId":"70135813","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3369,"text":"Sedimentology","active":true,"publicationSubtype":{"id":10}},"title":"Why deposits of longitudinal dunes are rarely recognized in the geologic record","docAbstract":"Dunes that are morphologically of linear type, many of which are probably of longitudinal type in a morphodynamic sense, are common in modern deserts, but their deposits are rarely identified in aeolian sandstones. One reason for non-recognition of such dunes is that they can migrate laterally when they are not exactly parallel to the long-term sand-transport direction, thereby depositing cross-strata that have unimodal cross-bed dip directions and consequently resemble deposits of transverse dunes. Dune-parallel components of sand transport can be recognized in ancient aeolian sands by examining compound cross-bedding formed by small dunes that migrated across the lee slopes of large dunes and documenting that the small dunes migrated with a component in a preferred along-crest direction over the large dunes.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1365-3091.1985.tb00498.x","usgsCitation":"Rubin, D.M., and Hunter, R., 1985, Why deposits of longitudinal dunes are rarely recognized in the geologic record: Sedimentology, v. 32, no. 1, p. 147-157, https://doi.org/10.1111/j.1365-3091.1985.tb00498.x.","productDescription":"11 p.","startPage":"147","endPage":"157","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"links":[{"id":296761,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"32","issue":"1","noUsgsAuthors":false,"publicationDate":"2006-06-14","publicationStatus":"PW","scienceBaseUri":"5492b748e4b00eda8915ad33","contributors":{"authors":[{"text":"Rubin, David M. 0000-0003-1169-1452 drubin@usgs.gov","orcid":"https://orcid.org/0000-0003-1169-1452","contributorId":3159,"corporation":false,"usgs":true,"family":"Rubin","given":"David","email":"drubin@usgs.gov","middleInitial":"M.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":536896,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hunter, Ralph E.","contributorId":53759,"corporation":false,"usgs":true,"family":"Hunter","given":"Ralph E.","affiliations":[],"preferred":false,"id":536897,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70135807,"text":"70135807 - 1985 - A note on the effect of bottom currents on an ocean bottom seismometer","interactions":[],"lastModifiedDate":"2023-10-28T15:42:40.943336","indexId":"70135807","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"A note on the effect of bottom currents on an ocean bottom seismometer","docAbstract":"Two three-component ocean bottom seismometers and a current meter were deployed a few hundred meters apart on the southern Blake Plateau off the United States eastern coast to study the effect of near-bottom currents on the background noise level of seismometers. Although analysis of the data is limited somewhat by instrumental problems, the increase in current speed, which ranged from 2 to 25 cm/sec, is correlated with a broadband increase in the noise level at frequencies below 10 Hz. Intermittent periods of narrow-band 8-Hz noise, which were also observed, are not correlative with bottom currents and were tentatively attributed to passing ships. Details of the mechanism of generation of the background noise cannot be determined from the present data set.
","language":"English","publisher":"Seismological Society of America","doi":"10.1785/BSSA0750041195","usgsCitation":"Trehu, A.M., 1985, A note on the effect of bottom currents on an ocean bottom seismometer: Bulletin of the Seismological Society of America, v. 75, no. 4, p. 1195-1204, https://doi.org/10.1785/BSSA0750041195.","productDescription":"10 p.","startPage":"1195","endPage":"1204","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296758,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":296757,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.geoscienceworld.org/ssa/bssa/article/75/4/1195/118796/A-note-on-the-effect-of-bottom-currents-on-an"}],"country":"United States","otherGeospatial":"Blake Plateau","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -80.068359375,\n 32.54681317351514\n ],\n [\n -76.9921875,\n 32.58384932565662\n ],\n [\n -77.080078125,\n 30.29701788337205\n ],\n [\n -81.8701171875,\n 30.06909396443887\n ],\n [\n -80.068359375,\n 32.54681317351514\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"75","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5492b73ce4b00eda8915ad05","contributors":{"authors":[{"text":"Trehu, Anne M.","contributorId":49884,"corporation":false,"usgs":false,"family":"Trehu","given":"Anne","email":"","middleInitial":"M.","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":536880,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70135823,"text":"70135823 - 1985 - A drowned Holocene barrier spit off Cape Ann, Massachusetts","interactions":[],"lastModifiedDate":"2024-01-30T11:59:41.0039","indexId":"70135823","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"A drowned Holocene barrier spit off Cape Ann, Massachusetts","docAbstract":"Seismic profiles and bathymetric contours reveal a drowned barrier spit on Jeffreys Ledge off Cape Ann, Massachusetts. Seaward-dipping internal reflectors indicate that a regressive barrier formed during the early Holocene low sea-level stillstand. Preservation of the barrier spit may have been favored by its large size (as much as 20 m thick), by an ample sediment supply from unconsolidated glacial drift, and by the subsequent rapid sea-level rise. The barrier spit is present in water depths of 50 to 70 m and indicates a low relative sea-level stand of −50 m. This value confirms the low relative sea-level stand of −47 m postulated by Oldale et al. (1983) for northeast Massachusetts and New Hampshire on the basis of the submerged delta of the Merrimack River, and it indicates that the barrier and delta were contemporaneous (Oldale et al., 1983).
","language":"English","publisher":"Geological Society of America","usgsCitation":"Oldale, R.N., 1985, A drowned Holocene barrier spit off Cape Ann, Massachusetts: Geology, v. 13, no. 5, p. 375-377.","productDescription":"3 p.","startPage":"375","endPage":"377","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296774,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Massachusetts","otherGeospatial":"Cape Ann","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -70.60501098632812,\n 42.66830027189085\n ],\n [\n -70.56175231933594,\n 42.66981490351329\n ],\n [\n -70.56587219238281,\n 42.632443217615524\n ],\n [\n -70.6146240234375,\n 42.632443217615524\n ],\n [\n -70.60501098632812,\n 42.66830027189085\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"13","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5492b73be4b00eda8915ad03","contributors":{"authors":[{"text":"Oldale, Robert N.","contributorId":38953,"corporation":false,"usgs":true,"family":"Oldale","given":"Robert","email":"","middleInitial":"N.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536914,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70135829,"text":"70135829 - 1985 - New York Bight fault","interactions":[],"lastModifiedDate":"2017-09-14T09:36:16","indexId":"70135829","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"New York Bight fault","docAbstract":"High-resolution, single-channel and multichannel seismic-reflection profiles in the New York Bight provide 7 crossings of a 50-km-long fault that trends north-northeast for 30 km from its southern end, then bends northeast, and may continue northward beneath Long Island. Displacement, which is consistently down to the west, decreases upsection and suggests a growth fault. Dip of the fault is near vertical. Its maximum offset of 109 m is the largest offset at the base of the Coastal Plain known for any Cretaceous and younger fault along the East Coast. Seismic stratigraphic controls constrain motion on the fault between Late Cretaceous (95 m.y. B.P.) and middle Oligocene (30 m.y. B.P.). The evidence for Quaternary activity is ambiguous.
\n\n
The fault parallels a magnetic low to the east, interpreted as a buried Mesozoic rift basin from seismic-reflection data, and a gravity low to the west, interpreted as a structure within Paleozoic rocks from well data. Whether these structures control the location of, or movement on, the fault is not clear.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1985)96<975:NYBF>2.0.CO;2","usgsCitation":"Hutchinson, D.R., and Grow, J., 1985, New York Bight fault: Geological Society of America Bulletin, v. 96, no. 8, p. 975-989, https://doi.org/10.1130/0016-7606(1985)96<975:NYBF>2.0.CO;2.","productDescription":"15 p.","startPage":"975","endPage":"989","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296777,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New Jersey, New York","otherGeospatial":"New York Bight","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -74.739990234375,\n 39.97291055131899\n ],\n [\n -73.0535888671875,\n 39.97291055131899\n ],\n [\n -73.0535888671875,\n 41.18692242290296\n ],\n [\n -74.739990234375,\n 41.18692242290296\n ],\n [\n -74.739990234375,\n 39.97291055131899\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"96","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5492b746e4b00eda8915ad2a","contributors":{"authors":[{"text":"Hutchinson, Deborah R. 0000-0002-2544-5466 dhutchinson@usgs.gov","orcid":"https://orcid.org/0000-0002-2544-5466","contributorId":521,"corporation":false,"usgs":true,"family":"Hutchinson","given":"Deborah","email":"dhutchinson@usgs.gov","middleInitial":"R.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536918,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grow, John A.","contributorId":51739,"corporation":false,"usgs":true,"family":"Grow","given":"John A.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536919,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70135866,"text":"70135866 - 1985 - Deep continental margin reflectors","interactions":[],"lastModifiedDate":"2017-08-24T13:03:05","indexId":"70135866","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1578,"text":"Eos, Transactions, American Geophysical Union","onlineIssn":"2324-9250","printIssn":"0096-394","active":true,"publicationSubtype":{"id":10}},"title":"Deep continental margin reflectors","docAbstract":"In contrast to the rarity of such observations a decade ago, seismic reflecting and refracting horizons are now being observed to Moho depths under continental shelves in a number of places. These observations provide knowledge of the entire crustal thickness from the shoreline to the oceanic crust on passive margins and supplement Consortium for Continental Reflection Profiling (COCORP)-type measurements on land.
","language":"English","publisher":"American Geophysical Union","doi":"10.1029/EO066i020p00448","usgsCitation":"Ewing, J., Heirtzler, J., Purdy, M., and Klitgord, K.D., 1985, Deep continental margin reflectors: Eos, Transactions, American Geophysical Union, v. 66, no. 20, p. 448-448, https://doi.org/10.1029/EO066i020p00448.","productDescription":"1 p.","startPage":"448","endPage":"448","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":296780,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"66","issue":"20","noUsgsAuthors":false,"publicationDate":"2011-06-03","publicationStatus":"PW","scienceBaseUri":"54dd2b6ee4b08de9379b338a","contributors":{"authors":[{"text":"Ewing, J.","contributorId":131014,"corporation":false,"usgs":false,"family":"Ewing","given":"J.","email":"","affiliations":[{"id":6706,"text":"Woods Hole Oceanographic Institution,","active":true,"usgs":false}],"preferred":false,"id":536937,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Heirtzler, J.","contributorId":131016,"corporation":false,"usgs":false,"family":"Heirtzler","given":"J.","email":"","affiliations":[{"id":6706,"text":"Woods Hole Oceanographic Institution,","active":true,"usgs":false}],"preferred":false,"id":536938,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Purdy, M.","contributorId":131017,"corporation":false,"usgs":false,"family":"Purdy","given":"M.","email":"","affiliations":[{"id":6706,"text":"Woods Hole Oceanographic Institution,","active":true,"usgs":false}],"preferred":false,"id":536939,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Klitgord, Kim D.","contributorId":82307,"corporation":false,"usgs":true,"family":"Klitgord","given":"Kim","email":"","middleInitial":"D.","affiliations":[{"id":678,"text":"Woods Hole Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":false,"id":536940,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70045312,"text":"70045312 - 1985 - Notes on sedimentation activities calendar year 1984","interactions":[],"lastModifiedDate":"2013-05-23T11:23:44","indexId":"70045312","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"title":"Notes on sedimentation activities calendar year 1984","docAbstract":"This report is a digest of information furnished by Federal agencies conducting sedimentation investigations. The decision to publish the report was made in 1946, from a proposal by the Chairman of the Federal Interagency River Basin Committee, Subcommittee on Ground Water. The Subcommittee approved the proposal and agreed to issue this report as a means of effecting better coordination of the work of various Federal agencies in the field of sedimentation. 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Geologically speaking, the Guanacaste province of northern Costa Rica consists of a series of composite volcanic cones built on a shield of ignimbrites (welded and unwelded ash flows) of Pliocene-Pleistocene age (up to 2 million years old), that themselves lie on basement crust of Cretaceious-Tertiary age (up to 90 million years old). the active volcanoes are aligned on a northwest-southeast axis parallel to the Middle American oceanic trench in the Pacific Ocean that is the site of subduction of hte Cocos oceanic plate underneath Central America.
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The method can be used to correct observed traveltime pairs from the transmitter to both receivers. The basis of the method is the linearity of a plot of theoretical traveltime from the transmitter to the first receiver versus theoretical traveltime from the trasmitter to the second receiver. Theoretical traveltime pairs are calculated assuming that the sonic logging tool is centered in the borehole, that the borehole diameter is constant, that the borehole fluid velocity is constant, and that the formation is homogeneous.","largerWorkTitle":"Transactions of the SPWLA Annual Logging Symposium (Society of Professional Well Log Analysts)","conferenceTitle":"Transactions of the SPWLA Twenty-Sixth Annual Logging Symposium.","conferenceLocation":"Dallas, TX, USA","language":"English","publisher":"Soc of Professional Well Log Analysts","publisherLocation":"Houston, TX, USA","issn":"00811718","usgsCitation":"Muller, D.C., 1985, COMPUTER METHOD TO DETECT AND CORRECT CYCLE SKIPPING ON SONIC LOGS., in Transactions of the SPWLA Annual Logging Symposium (Society of Professional Well Log Analysts), v. 1, Dallas, TX, USA.","numberOfPages":"18","costCenters":[],"links":[{"id":222564,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f2dde4b0c8380cd4b43b","contributors":{"authors":[{"text":"Muller, Douglas C.","contributorId":45964,"corporation":false,"usgs":true,"family":"Muller","given":"Douglas","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":364869,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1001653,"text":"1001653 - 1985 - Disturbance of diving ducks by boaters on a migrational staging area","interactions":[],"lastModifiedDate":"2020-05-12T15:22:18.532526","indexId":"1001653","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3779,"text":"Wildlife Society Bulletin","onlineIssn":"1938-5463","printIssn":"0091-7648","active":true,"publicationSubtype":{"id":10}},"title":"Disturbance of diving ducks by boaters on a migrational staging area","docAbstract":"No abstract available.
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Carbon dioxide is evolved from the sample by the addition of 2 M perchloric acid, with heating, and is determined by automated coulometric titration. 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The feeding tim conducive to total growth (0730 h) differed from that conducive to fattening (1600 h). Fish fed a half ration at both times of day had body weights similar to those fed a single early meal but also had high abdominal fat weights similar to those fed a single late meal. Feeding schedule appears to be an important factor in determining the metabolic fate of nutrients.
","language":"English","publisher":"Elsevier","doi":"10.1093/jn/115.9.1228","usgsCitation":"Noeske-Hallin, T.A., Spieler, R., Parker, N., and Suttle, M.A., 1985, Feeding time differentially affects fattening and growth of channel catfish: Journal of Nutrition, v. 115, no. 9, p. 1228-1232, https://doi.org/10.1093/jn/115.9.1228.","productDescription":"5 p.","startPage":"1228","endPage":"1232","numberOfPages":"5","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":129274,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"115","issue":"9","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49fde4b07f02db5f5e71","contributors":{"authors":[{"text":"Noeske-Hallin, T. A.","contributorId":101598,"corporation":false,"usgs":true,"family":"Noeske-Hallin","given":"T.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":319795,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Spieler, R.E.","contributorId":30942,"corporation":false,"usgs":true,"family":"Spieler","given":"R.E.","email":"","affiliations":[],"preferred":false,"id":319792,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Parker, N. C.","contributorId":101209,"corporation":false,"usgs":true,"family":"Parker","given":"N. C.","affiliations":[],"preferred":false,"id":319794,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Suttle, M. A.","contributorId":54926,"corporation":false,"usgs":true,"family":"Suttle","given":"M.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":319793,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012940,"text":"70012940 - 1985 - Paleoclimatic controls on coal resources of the Pennsylvanian system of North America - introduction and overview of contributions","interactions":[],"lastModifiedDate":"2024-02-24T01:20:00.805311","indexId":"70012940","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2033,"text":"International Journal of Coal Geology","active":true,"publicationSubtype":{"id":10}},"title":"Paleoclimatic controls on coal resources of the Pennsylvanian system of North America - introduction and overview of contributions","docAbstract":"No abstract available.
","language":"English","publisher":"Elsevier","doi":"10.1016/0166-5162(85)90008-4","issn":"01665162","usgsCitation":"Phillips, T., and Cecil, C.B., 1985, Paleoclimatic controls on coal resources of the Pennsylvanian system of North America - introduction and overview of contributions: International Journal of Coal Geology, v. 5, no. 1-2, p. 1-6, https://doi.org/10.1016/0166-5162(85)90008-4.","productDescription":"6 p.","startPage":"1","endPage":"6","numberOfPages":"6","costCenters":[],"links":[{"id":222629,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a73c8e4b0c8380cd7723a","contributors":{"authors":[{"text":"Phillips, T.L.","contributorId":43517,"corporation":false,"usgs":true,"family":"Phillips","given":"T.L.","email":"","affiliations":[],"preferred":false,"id":364890,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cecil, C. B. 0000-0002-9032-1689","orcid":"https://orcid.org/0000-0002-9032-1689","contributorId":62204,"corporation":false,"usgs":true,"family":"Cecil","given":"C.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":364891,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012796,"text":"70012796 - 1985 - Complex resistivity of fault gouge and its significance for earthquake lights and induced polarization","interactions":[],"lastModifiedDate":"2024-02-14T12:26:26.973015","indexId":"70012796","displayToPublicDate":"1985-01-01T00:00:00","publicationYear":"1985","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1807,"text":"Geophysical Research Letters","active":true,"publicationSubtype":{"id":10}},"title":"Complex resistivity of fault gouge and its significance for earthquake lights and induced polarization","docAbstract":"We have measured complex resistivity of 2 water-saturated San Andreas fault gouges from 10−3 to 106 Hz and confining pressures of 0.2 to 200 MPa. Consistent with earlier observations of clays and common rocks, large low-frequency permittivities were observed in all cases. Comparisons were made to induced polarization (IP) measurements by inversion of the data into the time domain, where we found that principal features of the IP response curves were due to these large low-frequency permittivities. The results also suggest that following large earthquakes, significant electrical charge could remain for many seconds and could result in a variety of reported electromagnetic effects.