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A viral agent, identified as a herpesvirus and tentatively called 'inclusion body disease of cranes' (IBDC), was isolated from captive cranes involved in a die-off at the International Crane Foundation near Baraboo, Wisconsin. Preliminary animal susceptibility tests, based on experimental infections, suggested that White Pekin ducklings up to 17 days old and adult coots were susceptible to the IBDC virus whereas 16-day-old White Leghorn chicks and 64-day-old Muscovy ducks were not. No serum antibody to IBDC virus was detected in 95 wild sandhill cranes collected in Wisconsin or Indiana in 1976 and 1977. However, 9 of 11 captive cranes in the affected area at the ICF had antibody to this agent.

","language":"English","publisher":"American Association of Avian Pathologists","doi":"10.2307/1589787","usgsCitation":"Docherty, D.E., and Henning, D., 1980, The isolation of a herpes virus from captive cranes with an inclusion body disease: Avian Diseases, v. 24, no. 1, p. 278-283, https://doi.org/10.2307/1589787.","productDescription":"6 p.","startPage":"278","endPage":"283","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":130158,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Wisconsin","otherGeospatial":"International Crane Foundation","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -89.77726936340332,\n 43.54699285840481\n ],\n [\n -89.76834297180174,\n 43.54699285840481\n ],\n [\n -89.76834297180174,\n 43.550289946081115\n ],\n [\n -89.77726936340332,\n 43.550289946081115\n ],\n [\n -89.77726936340332,\n 43.54699285840481\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"24","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a54e4b07f02db62c62b","contributors":{"authors":[{"text":"Docherty, D. E.","contributorId":83469,"corporation":false,"usgs":true,"family":"Docherty","given":"D.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":314419,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Henning, D.J.","contributorId":71134,"corporation":false,"usgs":true,"family":"Henning","given":"D.J.","email":"","affiliations":[],"preferred":false,"id":314418,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012305,"text":"70012305 - 1980 - Some constraints on levels of shear stress in the crust from observations and theory","interactions":[],"lastModifiedDate":"2024-07-16T16:51:07.849569","indexId":"70012305","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Some constraints on levels of shear stress in the crust from observations and theory","docAbstract":"

In situ stress determinations in North America, southern Africa, and Australia indicate that on the average the maximum shear stress increases linearly with depth to at least 5.1 km measured in soft rock, such as shale and sandstone, and to 3.7 km in hard rock, including granite and quartzite. Regression lines fitted to the data yield gradients of 3.8 MPa/km and 6.6 MPa/km for soft and hard rock, respectively. Generally, the maximum shear stress in compressional states of stress for which the least principal stress is oriented near vertically is substantially greater than in extensional stress regimes, with the greatest principal stress in a vertical direction. The equations of equilibrium and compatibility can be used to provide functional constraints on the state of stress. If the stress is assumed to vary only with depth z in a given region, then all nonzero components must have the form A+Bz, where A and B are constants which generally differ for the various components. This implies that the deviatoric stress changes linearly with depth, and the general solution also allows the directions of the horizontal principal stresses to change monotonically with depth. Solutions to the equations, a churning stress to vary with both z and x, were fit to the observations of Zoback and Roller, who measured stress along a horizontal profile near Palmdale, California. The results indicate that the average shear stress in the upper 8 km of the fault zone is about 3.5 MPa less than the shear stress in the far field, but this far field term, which is part of the solution and has the form A+Bz, cannot be evaluated using the existing constant depth data.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB085iB11p06231","issn":"01480227","usgsCitation":"McGarr, A., 1980, Some constraints on levels of shear stress in the crust from observations and theory: Journal of Geophysical Research Solid Earth, v. 85, no. B11, p. 6231-6238, https://doi.org/10.1029/JB085iB11p06231.","productDescription":"8 p.","startPage":"6231","endPage":"6238","numberOfPages":"8","costCenters":[],"links":[{"id":221816,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"B11","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"505b928ce4b08c986b319f9a","contributors":{"authors":[{"text":"McGarr, Art 0000-0001-9769-4093","orcid":"https://orcid.org/0000-0001-9769-4093","contributorId":43491,"corporation":false,"usgs":true,"family":"McGarr","given":"Art","affiliations":[],"preferred":false,"id":363231,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012171,"text":"70012171 - 1980 - Distribution of modern benthic foraminifers on the New Jersey Outer Continental Shelf","interactions":[],"lastModifiedDate":"2019-12-04T06:43:07","indexId":"70012171","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2673,"text":"Marine Micropaleontology","active":true,"publicationSubtype":{"id":10}},"title":"Distribution of modern benthic foraminifers on the New Jersey Outer Continental Shelf","docAbstract":"

We used samples from 21 stations within a 600 km2 area of the New Jersey Outer Continental Shelf to assess the effects of a hydrodynamic environment on the distribution and redistribution of benthic foraminifers. These samples show that, although the predominant genera (Elphidium, Cibicides, and Saccammina) are the same as those reported by other investigators for this region, the environmental factors that control the generic distribution are more complex than were previously postulated. Generic distribution patterns derived from this study are correlated with the bottom topography and sediment distribution as well as the temperature, salinity, and dissolved oxygen concentrations of the bottom waters. The six predominant species observed in the samples (and their phenotypic variants) are cryophilic forms known to occur in the Virginian and Nova Scotian biogeographic provinces and in Arctic waters. Species distribution patterns also correlate well with bottom topography and hydrographic factors, but may be modified by seasonal fluctuations in test production and by redistribution of dead tests. At most stations, specimens of Elphidium subarcticum were attached to quartz grains. This phenomenon, which has not been reported before, probably is an adaptation to a high-energy environment. The distribution pattern of Elphidium subarcticum along with those of the sessile species Webbinella concava and Vasiglobulina n.sp. corroborate sedimentological evidence that the accumulation of modern sediments in the area is negligible. 

","language":"English","publisher":"Elsevier","doi":"10.1016/0377-8398(80)90006-7","issn":"03778398","usgsCitation":"Poag, C.W., Knebel, H., and Todd, R., 1980, Distribution of modern benthic foraminifers on the New Jersey Outer Continental Shelf: Marine Micropaleontology, v. 5, no. C, p. 43-69, https://doi.org/10.1016/0377-8398(80)90006-7.","productDescription":"27 p. ","startPage":"43","endPage":"69","numberOfPages":"27","costCenters":[],"links":[{"id":221869,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New Jersey 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Jersey\",\"nation\":\"USA \"}}]}","volume":"5","issue":"C","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a02e5e4b0c8380cd50252","contributors":{"authors":[{"text":"Poag, C. Wylie","contributorId":52714,"corporation":false,"usgs":true,"family":"Poag","given":"C.","email":"","middleInitial":"Wylie","affiliations":[],"preferred":false,"id":362919,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Knebel, H.J.","contributorId":79092,"corporation":false,"usgs":true,"family":"Knebel","given":"H.J.","affiliations":[],"preferred":false,"id":362921,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Todd, R.","contributorId":77654,"corporation":false,"usgs":true,"family":"Todd","given":"R.","email":"","affiliations":[],"preferred":false,"id":362920,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012160,"text":"70012160 - 1980 - Comment on 'A reinterpretation of the linear heat flow and heat production relationship for the exponential model of the heat production in the crust' by R.N. Singh & J.G. Negi.","interactions":[],"lastModifiedDate":"2013-03-12T11:30:06","indexId":"70012160","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1804,"text":"Geophysical Journal of the Royal Astronomical Society","active":true,"publicationSubtype":{"id":10}},"title":"Comment on 'A reinterpretation of the linear heat flow and heat production relationship for the exponential model of the heat production in the crust' by R.N. Singh & J.G. Negi.","docAbstract":"In their recent paper, Singh & Negi, (This journal, 57, 741-744) contend that if thd slope of the empirical linear relation between heat flow and heat production is interpreted as the decay-length of an exponential depth-distribution of sources, a discrepancy rises, whereas if it is interpreted as the depth of a step distribution, it does not. I should like to point out that their discrepancy follows from their arbitrary assumption of one of a range of physical possibilities unconstrained by the observations; with an equally valid alternate assumption (Lachenbruch 1970) the discrepancy disappears. In any case such discrepancies are probably minor compared to physical difficulties that arise from the step model, and to uncertainties introduced by other assumptions in any simple model.-Author","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Geophysical Journal of the Royal Astronomical Society","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Wiley","doi":"10.1111/j.1365-246X.1980.tb02653.x","usgsCitation":"Lachenbruch, A., 1980, Comment on 'A reinterpretation of the linear heat flow and heat production relationship for the exponential model of the heat production in the crust' by R.N. Singh & J.G. Negi.: Geophysical Journal of the Royal Astronomical Society, v. 63, no. 3, p. 791-795, https://doi.org/10.1111/j.1365-246X.1980.tb02653.x.","startPage":"791","endPage":"795","numberOfPages":"5","costCenters":[],"links":[{"id":480591,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1365-246x.1980.tb02653.x","text":"Publisher Index Page"},{"id":222700,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269145,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1111/j.1365-246X.1980.tb02653.x"}],"volume":"63","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f7ece4b0c8380cd4cda6","contributors":{"authors":[{"text":"Lachenbruch, A.H.","contributorId":76737,"corporation":false,"usgs":true,"family":"Lachenbruch","given":"A.H.","affiliations":[],"preferred":false,"id":362886,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1003603,"text":"1003603 - 1980 - Epizootic of coccidiosis in free-flying lesser scaup (Aythya affinis)","interactions":[],"lastModifiedDate":"2018-02-27T16:35:06","indexId":"1003603","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":948,"text":"Avian Diseases","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Epizootic of coccidiosis in free-flying lesser scaup (Aythya affinis)","title":"Epizootic of coccidiosis in free-flying lesser scaup (Aythya affinis)","docAbstract":"

A coccidiosis epizootic has occurred in lesser scaup (Aythya affinis) at Bluestem Reservoir in eastern Nebraska during the spring in each of three recent years: 1976-1978. Losses peaked during the period from mid-March through April. As much as 29% of the peak population of scaup using the reservoir died. Necropsies of 72 of the nearly 1390 scaup that died revealed destruction and sloughing of the intestinal mucosa and associated hemorrhaging. Fibrinonecrotic cores were frequently found in the intestinal lumens. Scrapings from the intestinal mucosal contained massive numbers of oocysts of the coccidian Eimeria aythyae. This is the first report of recurrent epizootics of coccidiosis in freeflying waterfowl.

","language":"English","publisher":"American Association of Avian Pathologists","doi":"10.2307/1589981","usgsCitation":"Windingstad, R.M., McDonald, M., Locke, L.N., Kerr, S., and Sinn, J., 1980, Epizootic of coccidiosis in free-flying lesser scaup (Aythya affinis): Avian Diseases, v. 24, no. 4, p. 1044-1049, https://doi.org/10.2307/1589981.","productDescription":"6 p.","startPage":"1044","endPage":"1049","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":130357,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nebraska","otherGeospatial":"Bluestem reservoir","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -96.80336952209473,\n 40.64137713901667\n ],\n [\n -96.80448532104492,\n 40.639227866411176\n ],\n [\n -96.80508613586426,\n 40.63714365719172\n ],\n [\n -96.80439949035645,\n 40.63545018928846\n ],\n [\n -96.80148124694824,\n 40.63414749244045\n ],\n [\n -96.79976463317871,\n 40.63245394853916\n ],\n [\n -96.79779052734375,\n 40.63082550043328\n ],\n [\n -96.79684638977051,\n 40.63023924939319\n ],\n [\n -96.7979621887207,\n 40.62900159140642\n ],\n [\n -96.80027961730957,\n 40.6283501832525\n ],\n [\n -96.79985046386719,\n 40.62620049126207\n ],\n [\n -96.79839134216309,\n 40.62509304717129\n ],\n [\n -96.79684638977051,\n 40.62463703544358\n ],\n [\n -96.79032325744629,\n 40.626005061286286\n ],\n [\n -96.78689002990723,\n 40.62659134949805\n ],\n [\n -96.78551673889159,\n 40.628480465391625\n ],\n [\n -96.78525924682617,\n 40.630760361683\n ],\n [\n -96.78706169128418,\n 40.63369154253879\n ],\n [\n -96.79058074951172,\n 40.63655746162478\n ],\n [\n -96.79238319396973,\n 40.6377949795627\n ],\n [\n -96.79512977600098,\n 40.63864168914507\n ],\n [\n -96.7961597442627,\n 40.640139687483234\n ],\n [\n -96.79633140563965,\n 40.64320070998967\n ],\n [\n -96.79924964904785,\n 40.64587084902795\n ],\n [\n -96.80036544799805,\n 40.64600109698023\n ],\n [\n -96.80191040039062,\n 40.64548010364599\n ],\n [\n -96.80336952209473,\n 40.64137713901667\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"24","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49f3e4b07f02db5efd0d","contributors":{"authors":[{"text":"Windingstad, R. M.","contributorId":71124,"corporation":false,"usgs":true,"family":"Windingstad","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":313642,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McDonald, M.E.","contributorId":33661,"corporation":false,"usgs":true,"family":"McDonald","given":"M.E.","email":"","affiliations":[],"preferred":false,"id":313641,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Locke, Louis N.","contributorId":71233,"corporation":false,"usgs":true,"family":"Locke","given":"Louis","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":313643,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kerr, S.M.","contributorId":16358,"corporation":false,"usgs":true,"family":"Kerr","given":"S.M.","email":"","affiliations":[],"preferred":false,"id":313640,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Sinn, J.A.","contributorId":15970,"corporation":false,"usgs":true,"family":"Sinn","given":"J.A.","email":"","affiliations":[],"preferred":false,"id":313639,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70012335,"text":"70012335 - 1980 - Fission-track age of the Mangaroa ash and tectonic implications at Wellington, New Zealand.","interactions":[],"lastModifiedDate":"2013-02-23T21:43:46","indexId":"70012335","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2869,"text":"New Zealand Journal of Geology and Geophysics","active":true,"publicationSubtype":{"id":10}},"title":"Fission-track age of the Mangaroa ash and tectonic implications at Wellington, New Zealand.","docAbstract":"Three samples of zircon from the Mangaroa Ash, an important marker bed in the late Pleistocene deposits of the Wellington area, have been dated by fission-track analysis. The average age of the 3 zircon samples is 380 000 years. Since this tephra fell, vertical uplift at Tinakori Hill on the northwest side of the Wellington Fault has been about 266 m, at a rate of about 69 cm per 1000 years; at the Whakatiki Terraces the minimum rate of uplift on the northwest side of this fault has been about 21 cm per 1000 years. -Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"New Zealand Journal of Geology and Geophysics","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Taylor and Francis","doi":"10.1080/00288306.1980.10424133","issn":"00288306","usgsCitation":"Naeser, C.W., Nishimura, S., and Punga, T., 1980, Fission-track age of the Mangaroa ash and tectonic implications at Wellington, New Zealand.: New Zealand Journal of Geology and Geophysics, v. 23, no. 5-6, p. 615-621, https://doi.org/10.1080/00288306.1980.10424133.","startPage":"615","endPage":"621","numberOfPages":"7","costCenters":[],"links":[{"id":268060,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1080/00288306.1980.10424133"},{"id":222194,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"23","issue":"5-6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a10bee4b0c8380cd53db9","contributors":{"authors":[{"text":"Naeser, C. W.","contributorId":17582,"corporation":false,"usgs":true,"family":"Naeser","given":"C.","middleInitial":"W.","affiliations":[],"preferred":false,"id":363307,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nishimura, S.","contributorId":78089,"corporation":false,"usgs":true,"family":"Nishimura","given":"S.","email":"","affiliations":[],"preferred":false,"id":363309,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Punga, Te","contributorId":29131,"corporation":false,"usgs":true,"family":"Punga","given":"Te","email":"","affiliations":[],"preferred":false,"id":363308,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012349,"text":"70012349 - 1980 - Hydraulic fracturing in granite under geothermal conditions","interactions":[],"lastModifiedDate":"2013-01-18T13:27:42","indexId":"70012349","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2071,"text":"International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts","active":true,"publicationSubtype":{"id":10}},"title":"Hydraulic fracturing in granite under geothermal conditions","docAbstract":"The experimental hydraulic fracturing of granite under geothermal conditions produces tensile fracture at rapid fluid injection rates and shear fracture at slow injection rates and elevated differential stress levels. A sudden burst of acoustic emission activity accompanies tensile fracture formation whereas the acoustic emission rate increases exponentially prior to shear fracture. Temperature does not significantly affect the failure mechanism, and the experimental results have not demonstrated the occurrence of thermal fracturing. A critical result of these experiments is that fluid injection at intermediate rates and elevated differential stress levels increases permeability by more than an order of magnitude without producing macroscopic fractures, and low-level acoustic emission activity occurs simultaneously near the borehole and propagates outward into the specimen with time. Permeability measurements conducted at atmospheric pressure both before and after these experiments show that increased permeability is produced by permanent structural changes in the rock. Although results of this study have not demonstrated the occurrence of thermal fracturing, they suggest that fluid injection at certain rates in situ may markedly increase local permeability. This could prove critical to increasing the efficiency of heat exchange for geothermal energy extraction from hot dry rock. ?? 1980.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/0148-9062(80)90003-0","issn":"01489062","usgsCitation":"Solberg, P., Lockner, D., and Byerlee, J., 1980, Hydraulic fracturing in granite under geothermal conditions: International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts, v. 17, no. 1, p. 25-33, https://doi.org/10.1016/0148-9062(80)90003-0.","productDescription":"p.25-33","startPage":"25","endPage":"33","numberOfPages":"9","costCenters":[],"links":[{"id":265949,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0148-9062(80)90003-0"},{"id":221888,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a32ebe4b0c8380cd5eb8d","contributors":{"authors":[{"text":"Solberg, P.","contributorId":37874,"corporation":false,"usgs":true,"family":"Solberg","given":"P.","email":"","affiliations":[],"preferred":false,"id":363336,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lockner, D.","contributorId":102190,"corporation":false,"usgs":true,"family":"Lockner","given":"D.","email":"","affiliations":[],"preferred":false,"id":363338,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Byerlee, J.D.","contributorId":69982,"corporation":false,"usgs":true,"family":"Byerlee","given":"J.D.","affiliations":[],"preferred":false,"id":363337,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012323,"text":"70012323 - 1980 - Quantile estimation with more or less floodlike distributions","interactions":[],"lastModifiedDate":"2018-02-05T12:29:45","indexId":"70012323","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Quantile estimation with more or less floodlike distributions","docAbstract":"

The desirable properties of an estimator relative to a hypothetical population may be irrelevant in practice unless the population at issue more or less resembles the hypothetical population. Evidence that floods are distributed with long, stretched upper tails suggests that use of the more common distributions results in a rather precise underestimation of the extreme quantiles and thereby in the underdesign of flood protection measures.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR016i003p00547","usgsCitation":"Landwehr, J.M., Matalas, N., and Wallis, J., 1980, Quantile estimation with more or less floodlike distributions: Water Resources Research, v. 16, no. 3, p. 547-555, https://doi.org/10.1029/WR016i003p00547.","productDescription":"9 p.","startPage":"547","endPage":"555","costCenters":[],"links":[{"id":222068,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"3","noUsgsAuthors":false,"publicationDate":"2010-07-09","publicationStatus":"PW","scienceBaseUri":"505a91f4e4b0c8380cd8057c","contributors":{"authors":[{"text":"Landwehr, J. Maciunas","contributorId":13962,"corporation":false,"usgs":false,"family":"Landwehr","given":"J.","email":"","middleInitial":"Maciunas","affiliations":[],"preferred":false,"id":363276,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Matalas, N.C.","contributorId":25173,"corporation":false,"usgs":true,"family":"Matalas","given":"N.C.","affiliations":[],"preferred":false,"id":363275,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wallis, J.R.","contributorId":79236,"corporation":false,"usgs":true,"family":"Wallis","given":"J.R.","email":"","affiliations":[],"preferred":false,"id":363277,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012628,"text":"70012628 - 1980 - Flameless atomic-absorption determination of gold in geological materials","interactions":[],"lastModifiedDate":"2025-04-10T14:10:31.220696","indexId":"70012628","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2302,"text":"Journal of Geochemical Exploration","active":true,"publicationSubtype":{"id":10}},"title":"Flameless atomic-absorption determination of gold in geological materials","docAbstract":"

Gold in geologic material is dissolved using a solution of hydrobromic acid and bromine, extracted with methyl isobutyl ketone, and determined using an atomic-absorption spectrophotometer equipped with a graphite furnace atomizer. A comparison of results obtained by this flameless atomic-absorption method on U.S. Geological Survey reference rocks and geochemical samples with reported values and with results obtained by flame atomic-absorption shows that reasonable accuracy is achieved with improved precision. The sensitivity, accuracy, and precision of the method allows acquisition of data on the distribution of gold at or below its crustal abundance.

","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Geochemical Exploration","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/0375-6742(80)90022-9","issn":"03756742","usgsCitation":"Meier, A.L., 1980, Flameless atomic-absorption determination of gold in geological materials: Journal of Geochemical Exploration, v. 13, no. 1, p. 77-85, https://doi.org/10.1016/0375-6742(80)90022-9.","productDescription":"9 p.","startPage":"77","endPage":"85","numberOfPages":"9","costCenters":[],"links":[{"id":222605,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a10cfe4b0c8380cd53dfa","contributors":{"authors":[{"text":"Meier, A. L.","contributorId":81480,"corporation":false,"usgs":true,"family":"Meier","given":"A.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":364094,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012629,"text":"70012629 - 1980 - The frontal method in hydrodynamics simulations","interactions":[],"lastModifiedDate":"2023-09-21T16:09:27.266599","indexId":"70012629","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1314,"text":"Computers and Fluids","active":true,"publicationSubtype":{"id":10}},"title":"The frontal method in hydrodynamics simulations","docAbstract":"

The frontal solution method has proven to be an effective means of solving the matrix equations resulting from the application of the finite element method to a variety of problems. In this study, several versions of the frontal method were compared in efficiency for several hydrodynamics problems. Three basic modifications were shown to be of value: 1. Elimination of equations with boundary conditions beforehand, 2. Modification of the pivoting procedures to allow dynamic management of the equation size, and 3. Storage of the eliminated equations in a vector. These modifications are sufficiently general to be applied to other classes of problems.

","language":"English","publisher":"Elsevier","doi":"10.1016/0045-7930(80)90016-X","usgsCitation":"Walters, R.A., 1980, The frontal method in hydrodynamics simulations: Computers and Fluids, v. 8, no. 2, p. 265-272, https://doi.org/10.1016/0045-7930(80)90016-X.","productDescription":"8 p.","startPage":"265","endPage":"272","numberOfPages":"8","costCenters":[],"links":[{"id":222606,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"8","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505bac2ee4b08c986b323315","contributors":{"authors":[{"text":"Walters, Roy A.","contributorId":74877,"corporation":false,"usgs":true,"family":"Walters","given":"Roy","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":364095,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012366,"text":"70012366 - 1980 - Geodetic measurement of horizontal deformation across the Rio Grande rift near Socorro, New Mexico","interactions":[],"lastModifiedDate":"2024-07-16T16:44:26.503108","indexId":"70012366","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":6453,"text":"Journal of Geophysical Research Solid Earth","active":true,"publicationSubtype":{"id":10}},"title":"Geodetic measurement of horizontal deformation across the Rio Grande rift near Socorro, New Mexico","docAbstract":"

Trilateration surveys of a geodetic network across the Rio Grande rift near Socorro, New Mexico, in 1972, 1973, 1976, and 1979 have failed to detect any significant strain accumulation. The surveys place an upper bound (95% confidence limit) of 1 mm/a (a = years) on east-west spreading cross the rift in 1972–1979. There is marginal evidence from triangulation for an episode of east-west spreading across the rift within the interval 1954–1972. The trilateration network lies on the south flank of an uplift caused by magma intrusion into a midcrustal sill during this century according to Reilinger and Oliver. The horizontal deformation induced by sill inflation is sufficiently small that continued uplift during 1972–1979 cannot be excluded by the observed absence of significant horizontal deformation.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/JB085iB12p07215","issn":"01480227","usgsCitation":"Savage, J., Lisowski, M., Prescott, W., and Sanford, A., 1980, Geodetic measurement of horizontal deformation across the Rio Grande rift near Socorro, New Mexico: Journal of Geophysical Research Solid Earth, v. 85, no. B12, p. 7215-7220, https://doi.org/10.1029/JB085iB12p07215.","productDescription":"6 p.","startPage":"7215","endPage":"7220","numberOfPages":"6","costCenters":[],"links":[{"id":222137,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"85","issue":"B12","noUsgsAuthors":false,"publicationDate":"2012-09-20","publicationStatus":"PW","scienceBaseUri":"505a173ce4b0c8380cd5543c","contributors":{"authors":[{"text":"Savage, J.C. 0000-0002-5114-7673","orcid":"https://orcid.org/0000-0002-5114-7673","contributorId":102876,"corporation":false,"usgs":true,"family":"Savage","given":"J.C.","affiliations":[],"preferred":false,"id":363387,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lisowski, M.","contributorId":70381,"corporation":false,"usgs":true,"family":"Lisowski","given":"M.","email":"","affiliations":[],"preferred":false,"id":363385,"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":363386,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sanford, A.R.","contributorId":37072,"corporation":false,"usgs":true,"family":"Sanford","given":"A.R.","email":"","affiliations":[],"preferred":false,"id":363384,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012313,"text":"70012313 - 1980 - Geochemistry, strontium isotope data, and potassium-argon ages of the andesite-rhyolite association in the Padang area, West Sumatra","interactions":[],"lastModifiedDate":"2012-03-12T17:19:07","indexId":"70012313","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2499,"text":"Journal of Volcanology and Geothermal Research","active":true,"publicationSubtype":{"id":10}},"title":"Geochemistry, strontium isotope data, and potassium-argon ages of the andesite-rhyolite association in the Padang area, West Sumatra","docAbstract":"Quaternary volcanoes in the Padang area on the west coast of Sumatra have produced two-pyroxene, calc-alkaline andesite and volumetrically subordinate rhyolitic and andesitic ash-flow tuffs. A sequence of andesite (pre-caldera), rhyolitic tuff and andesitic tuff, in decreasing order of age, is related to Maninjau caldera. Andesite compositions range from 55.0 to 61.2% SiO2 and from 1.13 to 2.05% K2O. Six K-Ar whole-rock age determinations on andesites show a range of 0.27 ?? 0.12 to 0.83 ?? 0.42 m.y.; a single determination on the rhyolitic ashflow tuff gave 0.28 ?? 0.12 m.y. Eight 57Sr/26Sr ratios on andesites and rhyolite tuff west of the Semangko fault zone are in the range 0.7056 - 0.7066. These ratios are higher than those elsewhere in the Sunda arc but are comparable to the Taupo volcanic zone of New Zealand and calc-alkaline volcanics of continental margins. An 87Sr/86Sr ratio of 0.7048 on G. Sirabungan east of the Semangko fault is similar to an earlier determination on nearby G. Marapi (0.7047), and agrees with 87Sr/86Sr ratios in the rest of the Sunda arc. The reason for this distribution of 87Sr/86Sr ratios is unknown. The high 87Sr/86Sr ratios are tentatively regarded to reflect a crustal source for the andesites, while moderately fractionated REE patterns with pronounced negative Eu anomalies suggest a residue enriched in plagioclase with hornblende and/or pyroxenes. Generation of associated andesite and rhyolite could have been caused by hydrous fractional melting of andesite or volcanogenic sediments under adiabatic decompression. ?? 1980.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Journal of Volcanology and Geothermal Research","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","issn":"03770273","usgsCitation":"Leo, G.W., Hedge, C., and Marvin, R.F., 1980, Geochemistry, strontium isotope data, and potassium-argon ages of the andesite-rhyolite association in the Padang area, West Sumatra: Journal of Volcanology and Geothermal Research, v. 7, no. 1-2, p. 139-156.","startPage":"139","endPage":"156","numberOfPages":"18","costCenters":[],"links":[{"id":221939,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"7","issue":"1-2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a172de4b0c8380cd553f5","contributors":{"authors":[{"text":"Leo, G. W.","contributorId":102899,"corporation":false,"usgs":true,"family":"Leo","given":"G.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":363250,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Hedge, C. E.","contributorId":73611,"corporation":false,"usgs":true,"family":"Hedge","given":"C. E.","affiliations":[],"preferred":false,"id":363249,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marvin, R. F.","contributorId":60597,"corporation":false,"usgs":true,"family":"Marvin","given":"R.","middleInitial":"F.","affiliations":[],"preferred":false,"id":363248,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012356,"text":"70012356 - 1980 - Geochemical exploration for uranium in playas","interactions":[],"lastModifiedDate":"2025-04-10T14:08:10.947951","indexId":"70012356","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2302,"text":"Journal of Geochemical Exploration","active":true,"publicationSubtype":{"id":10}},"title":"Geochemical exploration for uranium in playas","docAbstract":"
Playas and closed-basin lakes represent unique geochemical environments for the entrapment and concentration of mobile chemical elements. For this reason, playas may be considered as potentially favorable areas for the accumulation of uranium. We investigated playa sediments to determine their value as possible sample media for determining the presence of accumulations of uranium in the basins and playas. Instrumental neutron activation analyses were made on near-surface [0–50 ft. (0–15 m)] sediments, pore fluids, and both surface and groundwater in closed basins at Winnemucca Dry Lake, Smoke Creek Desert, Roach Lake, Columbus Marsh, and Clayton Valley, Nevada, and Sevier Lake, Utah.
Although playa sediments at spring discharge areas contain as much as 58 ppm uranium, evaporation and mobilization processes were found to limit the usefulness of playa sediments as geochemical sampling media for uranium. Other metals, however, such as zinc, tungsten, and gold may have a geochemical signature in the playas. Most playas have little potential for resources of uranium. However, there are certain conditions that would make some playas more favorable than others for the accumulation of uranium. These conditions include: (1) the presence of precursor carbonate-rich saline lakes; (2) nearby uranium-rich source rocks; (3) restricted groundwater discharge into the playa; (4) localized precipitation mechanisms or phases in the playa; (5) large drainage basin and adequate precipitation; and (6) stability of a hydrologically closed basin for a long period of time.
","language":"English","publisher":"Elsevier","doi":"10.1016/0375-6742(80)90009-6","issn":"03756742","usgsCitation":"Leach, D.L., Puchlik, K., and Glanzman, R., 1980, Geochemical exploration for uranium in playas: Journal of Geochemical Exploration, v. 13, no. 2-3, p. 251-283, https://doi.org/10.1016/0375-6742(80)90009-6.","productDescription":"33 p.","startPage":"251","endPage":"283","numberOfPages":"33","costCenters":[],"links":[{"id":222009,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"13","issue":"2-3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a163ae4b0c8380cd550d3","contributors":{"authors":[{"text":"Leach, D. L.","contributorId":18758,"corporation":false,"usgs":true,"family":"Leach","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":363353,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Puchlik, K.P.","contributorId":6587,"corporation":false,"usgs":true,"family":"Puchlik","given":"K.P.","email":"","affiliations":[],"preferred":false,"id":363351,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Glanzman, R.K.","contributorId":14950,"corporation":false,"usgs":true,"family":"Glanzman","given":"R.K.","email":"","affiliations":[],"preferred":false,"id":363352,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012159,"text":"70012159 - 1980 - Preparation and Presentation of Digital Maps in Raster Format","interactions":[],"lastModifiedDate":"2013-03-13T14:57:47","indexId":"70012159","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":709,"text":"American Cartographer","active":true,"publicationSubtype":{"id":10}},"title":"Preparation and Presentation of Digital Maps in Raster Format","docAbstract":"A set of algorithms has been developed at USGS Flagstaff for displaying digital map data in raster format. The set includes: FILLIN, which assigns a specified attribute code to units of a map which have been outlined on a digitizer and converted to raster format; FILBND, which removes the outlines; ZIP, which adds patterns to the map units; and COLOR, which provides a simplified process for creating color separation plates for either photographic or lithographic reproduction. - Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"American Cartographer","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Ingenta Connect","doi":"10.1559/152304080784522883","issn":"00941689","usgsCitation":"Edwards, K., and Batson, R.M., 1980, Preparation and Presentation of Digital Maps in Raster Format: American Cartographer, v. 7, no. 1, p. 39-49, https://doi.org/10.1559/152304080784522883.","startPage":"39","endPage":"49","numberOfPages":"11","costCenters":[],"links":[{"id":222644,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":269238,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1559/152304080784522883"}],"volume":"7","issue":"1","noUsgsAuthors":false,"publicationDate":"2013-03-14","publicationStatus":"PW","scienceBaseUri":"505a8b1be4b0c8380cd7e17b","contributors":{"authors":[{"text":"Edwards, K.","contributorId":70924,"corporation":false,"usgs":true,"family":"Edwards","given":"K.","affiliations":[],"preferred":false,"id":362884,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Batson, R. M.","contributorId":76714,"corporation":false,"usgs":true,"family":"Batson","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":362885,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012172,"text":"70012172 - 1980 - Flood risks and the willingness to purchase flood insurance","interactions":[],"lastModifiedDate":"2018-02-05T12:28:15","indexId":"70012172","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Flood risks and the willingness to purchase flood insurance","docAbstract":"

Computer simulation experiments were conducted to determine the effects of alternative sources of uncertainty on the willingness to pay for flood insurance. Two alternative insurance protection schemes were investigated: coinsurance and fixed coverage. The question investigated here is to what extent does the insurance scheme influence how purchasers respond to flood risks? Floods were assumed to be log normally distributed and the effects on the purchase of insurance of uncertainties in the parameters of the distribution were explored using response surface analysis. Results indicate that fixed coverage insurance provisions shift most of the uncertainty in the physical parameters governing natural disaster occurrences away from the insuree and onto the insurer. The results also show that the form of the damage function has little effect on the demand for flood insurance.

","language":"English","publisher":"American Geophysical Union","doi":"10.1029/WR016i004p00617","usgsCitation":"Karlinger, M., and Attanasi, E.D., 1980, Flood risks and the willingness to purchase flood insurance: Water Resources Research, v. 16, no. 4, p. 617-622, https://doi.org/10.1029/WR016i004p00617.","productDescription":"6 p.","startPage":"617","endPage":"622","costCenters":[],"links":[{"id":221870,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"4","noUsgsAuthors":false,"publicationDate":"2010-07-09","publicationStatus":"PW","scienceBaseUri":"505a1151e4b0c8380cd53f65","contributors":{"authors":[{"text":"Karlinger, M.R.","contributorId":95039,"corporation":false,"usgs":true,"family":"Karlinger","given":"M.R.","affiliations":[],"preferred":false,"id":362922,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Attanasi, E. D. 0000-0001-6845-7160","orcid":"https://orcid.org/0000-0001-6845-7160","contributorId":107672,"corporation":false,"usgs":true,"family":"Attanasi","given":"E.","middleInitial":"D.","affiliations":[],"preferred":false,"id":362923,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012187,"text":"70012187 - 1980 - Possible fault detection in Cottonball Basin, California: an application of radar remote sensing.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:04","indexId":"70012187","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3254,"text":"Remote Sensing of Environment","printIssn":"0034-4257","active":true,"publicationSubtype":{"id":10}},"title":"Possible fault detection in Cottonball Basin, California: an application of radar remote sensing.","docAbstract":"An analysis of a 3-cm wavelength radar image of Cottonball Basin in Death Valley National Monument has revealed the existence of two suspect fault traces in evaporite deposits that are less than 2000-yr old. The traces are well defined on the image because the radar system was able to differentiate surface roughness variations at the centimeter scale. The features are not recognizable on data sets recorded in the visible and near-infrared spectral bands. - from Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Remote Sensing of Environment","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/0034-4257(80)90097-8","issn":"00344257","usgsCitation":"Berlin, G.L., Schaber, G.G., and Horstman, K., 1980, Possible fault detection in Cottonball Basin, California: an application of radar remote sensing.: Remote Sensing of Environment, v. 10, no. 1, p. 33-42, https://doi.org/10.1016/0034-4257(80)90097-8.","startPage":"33","endPage":"42","numberOfPages":"10","costCenters":[],"links":[{"id":205190,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0034-4257(80)90097-8"},{"id":222058,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"10","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a7e22e4b0c8380cd7a373","contributors":{"authors":[{"text":"Berlin, G. L.","contributorId":32941,"corporation":false,"usgs":true,"family":"Berlin","given":"G.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":362953,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schaber, G. G.","contributorId":68300,"corporation":false,"usgs":true,"family":"Schaber","given":"G.","email":"","middleInitial":"G.","affiliations":[],"preferred":false,"id":362954,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Horstman, K.C.","contributorId":72876,"corporation":false,"usgs":true,"family":"Horstman","given":"K.C.","email":"","affiliations":[],"preferred":false,"id":362955,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70012271,"text":"70012271 - 1980 - Stable isotope and fluid inclusion studies of carbonate deposits from the Tolfa Mountains mining district (Latium, central Italy)","interactions":[],"lastModifiedDate":"2012-03-12T17:19:09","indexId":"70012271","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2746,"text":"Mineralium Deposita","active":true,"publicationSubtype":{"id":10}},"title":"Stable isotope and fluid inclusion studies of carbonate deposits from the Tolfa Mountains mining district (Latium, central Italy)","docAbstract":"Carbon and oxygen isotope analyses were made of representative samples of calcite and quartz from the carbonate deposits in the Tolfa Mountains mining district. Measurements were also made of hydrogen isotope compositions, filling temperatures and salinities of fluid inclusions in these minerals. There are three stages of mineralization at Tolfa. In stage I, characterized by calc-silicate hornfels, the carbonates have relatively high ?? 18O values of 14.5 to 21.6 suggesting a rather low water/rock ratio. ??13C values of -0.3 to 2.1 indicate that appreciable decarbonation or introduction of deep-seated carbon did not occur. Stage II is marked by phanerocrystalline carbonates; ?? 18O values of 13.1 to 20.0 and ??13C values of 0.7 to 5.0 identify them as hydrothermal veins rather than marbles. ?? D values of -56 to -50 for inclusion fluids suggest a possible magmatic component to the hydrothermal fluid. Filling temperatures of coarse-grained samples of Calcite II are 309?? to 362?? C with a salinity range of 5.3 to 7.1 weight percent NaCl. Calculated ??18O values of 11-12 for these fluids are again indicative of low water/rock ratios. The sparry calcites of stage III have ??18O and ??13C values of 8.1 to 12.9 and -1.7 to 3.2, respectively. ?? D values of inclusion fluids are -40 to -33, clearly heavier than in earlier stages and similar to values of modern local ground waters. A salinity measurement of <0.1 weight percent NaCl in a sample of Calcite III is compatible with a relatively unaltered ground water origin for this fluid. Precipitation of the sparry calcite took place at much lower temperatures, around 160?? C. For quartz, ??18O values of 9.3 to 12.4 and ?? D values for inclusions of -53 to -28 are consistent with its late occurrence and paragenetic link with associated carbonates. ?? 1980 Springer-Verlag.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Mineralium Deposita","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Springer-Verlag","doi":"10.1007/BF00202800","issn":"00264598","usgsCitation":"Masi, U., Ferrini, V., O’Neil, J.R., and Batchelder, J.N., 1980, Stable isotope and fluid inclusion studies of carbonate deposits from the Tolfa Mountains mining district (Latium, central Italy): Mineralium Deposita, v. 15, no. 3, p. 351-359, https://doi.org/10.1007/BF00202800.","startPage":"351","endPage":"359","numberOfPages":"9","costCenters":[],"links":[{"id":205222,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF00202800"},{"id":222298,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"15","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505b966ae4b08c986b31b4c5","contributors":{"authors":[{"text":"Masi, U.","contributorId":34654,"corporation":false,"usgs":true,"family":"Masi","given":"U.","email":"","affiliations":[],"preferred":false,"id":363143,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ferrini, V.","contributorId":51459,"corporation":false,"usgs":true,"family":"Ferrini","given":"V.","email":"","affiliations":[],"preferred":false,"id":363144,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Neil, J. R.","contributorId":69633,"corporation":false,"usgs":true,"family":"O’Neil","given":"J.","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":363145,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Batchelder, J. N.","contributorId":89870,"corporation":false,"usgs":true,"family":"Batchelder","given":"J.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":363146,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012296,"text":"70012296 - 1980 - Comparison of three techniques for the determination of uranium and thorium in rocks","interactions":[],"lastModifiedDate":"2013-01-21T12:35:56","indexId":"70012296","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1213,"text":"Chemical Geology","active":true,"publicationSubtype":{"id":10}},"title":"Comparison of three techniques for the determination of uranium and thorium in rocks","docAbstract":"U and Th concentrations have been determined in a series of selected whole-rock samples, using three different techniques: neutron activation analysis (INAA), X-ray fluorescence spectrometry (XRF) and isotope dilution mass spectrometry (ID). The INAA technique yields U and Th data that are comparable with those obtained by ID over the entire concentration range studied. XRF only provides data with comparable precision at relatively high concentrations (> 10 ppm) but has the advantage of being able to determine other useful elements such as Rb, Sr, Pb and K. The choice between INAA and XRF therefore depends on the concentration levels anticipated, together with the overall requirements for the particular study. ?? 1980.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Chemical Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisher":"Elsevier","doi":"10.1016/0009-2541(80)90030-3","issn":"00092541","usgsCitation":"Hart, R.J., Reid, D., Stuckless, J., and Welke, H., 1980, Comparison of three techniques for the determination of uranium and thorium in rocks: Chemical Geology, v. 29, no. 1-4, p. 345-350, https://doi.org/10.1016/0009-2541(80)90030-3.","startPage":"345","endPage":"350","numberOfPages":"6","costCenters":[],"links":[{"id":222649,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":266130,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0009-2541(80)90030-3"}],"volume":"29","issue":"1-4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f8b4e4b0c8380cd4d240","contributors":{"authors":[{"text":"Hart, R. J.","contributorId":62607,"corporation":false,"usgs":true,"family":"Hart","given":"R.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":363208,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reid, D.L.","contributorId":39524,"corporation":false,"usgs":true,"family":"Reid","given":"D.L.","email":"","affiliations":[],"preferred":false,"id":363207,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Stuckless, J. S.","contributorId":6060,"corporation":false,"usgs":true,"family":"Stuckless","given":"J. S.","affiliations":[],"preferred":false,"id":363205,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Welke, H.J.","contributorId":29572,"corporation":false,"usgs":true,"family":"Welke","given":"H.J.","email":"","affiliations":[],"preferred":false,"id":363206,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012229,"text":"70012229 - 1980 - Indopithecus giganteus distinct from Sivapithecus indicus","interactions":[],"lastModifiedDate":"2012-03-12T17:19:01","indexId":"70012229","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3118,"text":"Primates","active":true,"publicationSubtype":{"id":10}},"title":"Indopithecus giganteus distinct from Sivapithecus indicus","docAbstract":"The very large Eurasian Miocene ape Indopithecus giganteus is distinct from contemporanious Sivapithecus (non-Dryopithecus)indicus. The probabilities that length and width for the only specimen of I. giganteus could be sampled from populations similar or identical to those of S. indicus are less than six chances in 100,000 for both parameters. ?? 1980 Japan Monkey Centre.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Primates","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","publisherLocation":"Springer-Verlag","doi":"10.1007/BF02373847","issn":"00328332","usgsCitation":"Madden, C., and Lewis, G., 1980, Indopithecus giganteus distinct from Sivapithecus indicus: Primates, v. 21, no. 4, p. 572-576, https://doi.org/10.1007/BF02373847.","startPage":"572","endPage":"576","numberOfPages":"5","costCenters":[],"links":[{"id":205264,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1007/BF02373847"},{"id":222585,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"21","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a3aa5e4b0c8380cd61e5e","contributors":{"authors":[{"text":"Madden, C.T.","contributorId":84508,"corporation":false,"usgs":true,"family":"Madden","given":"C.T.","email":"","affiliations":[],"preferred":false,"id":363035,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lewis, G.E.","contributorId":107747,"corporation":false,"usgs":true,"family":"Lewis","given":"G.E.","email":"","affiliations":[],"preferred":false,"id":363036,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012371,"text":"70012371 - 1980 - Radiometric dating of sediments using fission tracks in conodonts","interactions":[],"lastModifiedDate":"2012-03-12T17:19:04","indexId":"70012371","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2840,"text":"Nature","active":true,"publicationSubtype":{"id":10}},"title":"Radiometric dating of sediments using fission tracks in conodonts","docAbstract":"Conodonts are microfossils which are commonly found in marine rocks of Cambrian to Triassic age. Although their biological affinities are difficult to assess, conodonts are valuable stratigraphical indices for much of their geological range1. Recent work has also established that conodont colour alteration indices (CAI) are useful guides to diagenetic temperatures and hence burial depth2. Fission tracks3 in conodonts allow measurement of uranium concentrations and estimates of 'age' to be made using isotopic methods4. We report here that fission tracks counted in irradiated, thermally unaltered (as indicated by CAI) middle Palaeozoic conodonts indicate typical uranium concentrations of ???1 part in 10 9, with some samples higher. A single specimen of Siphonodella from the Lower Mississippian yielded an age estimate of 380??140 Myr consistent with conventional interpolations. This method may also allow the unroofing of deeply buried sediments to be dated. ?? 1980 Nature Publishing Group.","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Nature","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1038/288359a0","issn":"00280836","usgsCitation":"Sachs, H., Denkinger, M., Bennett, C., and Harris, A., 1980, Radiometric dating of sediments using fission tracks in conodonts: Nature, v. 288, no. 5789, p. 359-361, https://doi.org/10.1038/288359a0.","startPage":"359","endPage":"361","numberOfPages":"3","costCenters":[],"links":[{"id":205211,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1038/288359a0"},{"id":222200,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"288","issue":"5789","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9413e4b0c8380cd811ba","contributors":{"authors":[{"text":"Sachs, H.M.","contributorId":92805,"corporation":false,"usgs":true,"family":"Sachs","given":"H.M.","email":"","affiliations":[],"preferred":false,"id":363399,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Denkinger, M.","contributorId":15349,"corporation":false,"usgs":true,"family":"Denkinger","given":"M.","email":"","affiliations":[],"preferred":false,"id":363396,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bennett, C.L.","contributorId":28368,"corporation":false,"usgs":true,"family":"Bennett","given":"C.L.","email":"","affiliations":[],"preferred":false,"id":363397,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harris, A. G.","contributorId":39791,"corporation":false,"usgs":true,"family":"Harris","given":"A. G.","affiliations":[],"preferred":false,"id":363398,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70012232,"text":"70012232 - 1980 - Experimental study of free-surface flow instability and bedforms in shallow flows.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:09","indexId":"70012232","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3368,"text":"Sedimentary Geology","active":true,"publicationSubtype":{"id":10}},"title":"Experimental study of free-surface flow instability and bedforms in shallow flows.","docAbstract":"To test erosion and development of bed sculpture in unstable, pulsating shallow flow, 3 series of experiments were performed in a 10-m flume with flows of Reynolds Number up to 103, Froude Number up to 3.0, and slope up to 2%. In the first, the bed was rigid, in the second and third series planar beds were made from well-sorted and poorly sorted sand, respectively. Development of flow surface instability above the rigid bed showed the following stages: smooth surface; small wavelets; well-developed waves; and rough flow. The second series showed the following sequence: smooth bed; flow-aligned ridge and trough pattern; combined ridge and rhomboid pattern; and rhomboid configuration. The third series demonstrated transverse segregation of the bed material across the ridges.- from Authors","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Sedimentary Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/0037-0738(80)90016-0","issn":"00370738","usgsCitation":"Karcz, I., and Kersey, D., 1980, Experimental study of free-surface flow instability and bedforms in shallow flows.: Sedimentary Geology, v. 27, no. 4, p. 263-300, https://doi.org/10.1016/0037-0738(80)90016-0.","startPage":"263","endPage":"300","numberOfPages":"38","costCenters":[],"links":[{"id":205279,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0037-0738(80)90016-0"},{"id":222647,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a0de5e4b0c8380cd5323f","contributors":{"authors":[{"text":"Karcz, I.","contributorId":58779,"corporation":false,"usgs":true,"family":"Karcz","given":"I.","email":"","affiliations":[],"preferred":false,"id":363044,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kersey, D.","contributorId":49112,"corporation":false,"usgs":true,"family":"Kersey","given":"D.","affiliations":[],"preferred":false,"id":363043,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70012365,"text":"70012365 - 1980 - Results and assessment of uranium series dating of vertebrate fossils from Quaternary alluvium in Colorado","interactions":[],"lastModifiedDate":"2017-05-04T16:25:12","indexId":"70012365","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":898,"text":"Arctic and Alpine Research","active":true,"publicationSubtype":{"id":10}},"title":"Results and assessment of uranium series dating of vertebrate fossils from Quaternary alluvium in Colorado","docAbstract":"

An average uranium-series age of 102,000 ± 14,000 yr for bones from Louviers Alluvium, near Denver, Colorado, is compatible with the inferred geologic age of from 120,000 to 150,000 yr. A uranium-series date of about 190,000 yr for a bone from Slocum Alluvium, near Canon City, Colorado, is consistent with the inferred geologic age of from 150,000 to 260,000 yr. Age determinations for the Broadway Alluvium are inconsistent but its geologic age is considered to be 15,000 to 30,000 yr BP.

","language":"English","publisher":"INSTAAR, University of Colorado","doi":"10.2307/1550593","issn":"00040851","usgsCitation":"Szabo, B.J., 1980, Results and assessment of uranium series dating of vertebrate fossils from Quaternary alluvium in Colorado: Arctic and Alpine Research, v. 11, no. 1, p. 95-100, https://doi.org/10.2307/1550593.","productDescription":"6 p.","startPage":"95","endPage":"100","costCenters":[],"links":[{"id":222136,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","volume":"11","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505aaaefe4b0c8380cd865e7","contributors":{"authors":[{"text":"Szabo, Barney J.","contributorId":6848,"corporation":false,"usgs":true,"family":"Szabo","given":"Barney","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":363383,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012145,"text":"70012145 - 1980 - Mid- Tertiary climate of southeastern United States, the sporomorph evidence","interactions":[],"lastModifiedDate":"2024-07-01T22:33:02.671425","indexId":"70012145","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2412,"text":"Journal of Paleontology","active":true,"publicationSubtype":{"id":10}},"title":"Mid- Tertiary climate of southeastern United States, the sporomorph evidence","docAbstract":"

Climatic affinities of modern genera represented by late Eocene sporomorphs suggest that the climate of that time in southeastern United States was winter-dry tropical close to the Gulf of Mexico and marginal humid subtropical on the upper Coastal Plain. Lack of change of the sporomorph assemblages suggests that the climate of southeastern United States did not change appreciably from late in the middle Eocene until nearly the end of the Eocene. Then the climate rapidly became cooler and perhaps drier, a regime that persisted into the early Oligocene. 

","language":"English","publisher":"Paleontology Society","issn":"00223360","usgsCitation":"Frederiksen, N.O., 1980, Mid- Tertiary climate of southeastern United States, the sporomorph evidence: Journal of Paleontology, v. 54, no. 4, p. 728-739.","productDescription":"12 p.","startPage":"728","endPage":"739","numberOfPages":"12","costCenters":[],"links":[{"id":430690,"rank":2,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.geoscienceworld.org/jpaleontol/article/54/4/728/81445/Mid-Tertiary-climate-of-southeastern-United-States"},{"id":222464,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"54","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a56b1e4b0c8380cd6d769","contributors":{"authors":[{"text":"Frederiksen, N. O.","contributorId":78356,"corporation":false,"usgs":true,"family":"Frederiksen","given":"N.","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":362849,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012569,"text":"70012569 - 1980 - Depositional environments of some Pleistocene coastal terrace deposits, southwestern Oregon - case history of progradational beach and dune sequence.","interactions":[],"lastModifiedDate":"2012-03-12T17:19:08","indexId":"70012569","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3368,"text":"Sedimentary Geology","active":true,"publicationSubtype":{"id":10}},"title":"Depositional environments of some Pleistocene coastal terrace deposits, southwestern Oregon - case history of progradational beach and dune sequence.","docAbstract":"These deposits comprise a basal gravelly unit and 3 overlying sandy units, each with mud beds, a paleosol, or the modern soil in its uppermost part. The gravelly unit is interpreted as a progradational deposit. The main parts of the sandy units are made up of 1) a crossbedded sand facies, the dominant structure in which is medium-scale crossbedding (interpreted as the product of small eolian dunes), and 2) an irregularly bedded sand facies, which is locally pebbly and is dominated by scour-and-fill structures, interpreted as deposits of interdune ephemeral streams, ephemeral ponds, and wet to dry subaerial flats. The mud beds and paleosols represent times of temporary stabilization of the dune field.- from Author","largerWorkType":{"id":2,"text":"Article"},"largerWorkTitle":"Sedimentary Geology","largerWorkSubtype":{"id":10,"text":"Journal Article"},"language":"English","doi":"10.1016/0037-0738(80)90015-9","issn":"00370738","usgsCitation":"Hunter, R.E., 1980, Depositional environments of some Pleistocene coastal terrace deposits, southwestern Oregon - case history of progradational beach and dune sequence.: Sedimentary Geology, v. 27, no. 4, p. 241-262, https://doi.org/10.1016/0037-0738(80)90015-9.","startPage":"241","endPage":"262","numberOfPages":"22","costCenters":[],"links":[{"id":205227,"rank":9999,"type":{"id":10,"text":"Digital Object Identifier"},"url":"https://dx.doi.org/10.1016/0037-0738(80)90015-9"},{"id":222364,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"27","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059fec1e4b0c8380cd4eee6","contributors":{"authors":[{"text":"Hunter, R. E.","contributorId":48148,"corporation":false,"usgs":true,"family":"Hunter","given":"R.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":363939,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70012307,"text":"70012307 - 1980 - Biogenic and thermogenic origins of natural gas in Cook Inlet basin, Alaska.","interactions":[],"lastModifiedDate":"2023-01-12T15:26:53.197774","indexId":"70012307","displayToPublicDate":"1980-01-01T00:00:00","publicationYear":"1980","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":701,"text":"American Association of Petroleum Geologists Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Biogenic and thermogenic origins of natural gas in Cook Inlet basin, Alaska.","docAbstract":"

Two types of natural gas occurrences are present in the Cook Inlet basin. The major reserves (1.8 × 1011m3) occur in shallow (less than 2,300 m), nonassociated dry gas fields that contain methane with ^dgr13C in the range of -63 to -56 per mil. These gas fields are in sandstones interbedded with coals of the Sterling and Beluga Formations; the gas fields are interpreted as biogenic in origin. Lesser reserves (1.1 × 1010 m3) of natural gas are associated with oil in the deeper Hemlock Conglomerate at the base of the Tertiary section; associated gas contains methane with ^dgr13C of about -46 per mil. The gases associated with oil in the Hemlock Conglomerate are thermogenic in origin.

","language":"English","publisher":"American Association of Petroleum Geologists","doi":"10.1306/2F91944F-16CE-11D7-8645000102C1865D","usgsCitation":"Claypool, G., Threlkeld, C.N., and Magoon, L.B., 1980, Biogenic and thermogenic origins of natural gas in Cook Inlet basin, Alaska.: American Association of Petroleum Geologists Bulletin, v. 64, no. 8, p. 1131-1139, https://doi.org/10.1306/2F91944F-16CE-11D7-8645000102C1865D.","productDescription":"9 p.","startPage":"1131","endPage":"1139","numberOfPages":"9","costCenters":[],"links":[{"id":221881,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Cook Inlet Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -148.73008290693286,\n 61.603912894724544\n ],\n [\n -152.8066533859104,\n 61.603912894724544\n ],\n [\n -152.8066533859104,\n 60.06806650089854\n ],\n [\n -148.73008290693286,\n 60.06806650089854\n ],\n [\n -148.73008290693286,\n 61.603912894724544\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"64","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059f14de4b0c8380cd4ab94","contributors":{"authors":[{"text":"Claypool, George E.","contributorId":8475,"corporation":false,"usgs":true,"family":"Claypool","given":"George E.","affiliations":[],"preferred":false,"id":363234,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Threlkeld, C. N.","contributorId":80271,"corporation":false,"usgs":true,"family":"Threlkeld","given":"C.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":363236,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Magoon, L. B.","contributorId":44531,"corporation":false,"usgs":true,"family":"Magoon","given":"L.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":363235,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ]}