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Michael Jr.","contributorId":62566,"corporation":false,"usgs":true,"family":"Churkin","given":"Michael","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":151580,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":2088,"text":"wsp1817E - 1973 - Fractionation and characterization of natural organic matter from certain rivers and soils by free-flow electrophoresis","interactions":[],"lastModifiedDate":"2012-02-02T00:05:23","indexId":"wsp1817E","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":341,"text":"Water Supply Paper","code":"WSP","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"1817","chapter":"E","title":"Fractionation and characterization of natural organic matter from certain rivers and soils by free-flow electrophoresis","docAbstract":"Soluble river organic matter and soil fulvic acids from a variety of environments were compared by examining the free-flow electrophoretic fractionation curves of organic carbon, color, and polysaccharides. Significant amounts of virtually colorless organic material were found in both the soil and the river preparations. Polysaccharides comprised 20-75 percent of the colorless material in the soil fulvic acids but only 3.2-7.0 percent of the colorless material in the river preparations. A significant amount of polysaccharides was complexed with organic materials having negative charges. Amounts of polysaccharides were greater in the Fairbanks soil from Alaska than in the soils from North Carolina or Iowa, and they were greater in the Tahquamenon River in Michigan than in the two rivers in Florida; this suggests that polysaccharide degradation is slower in cooler environments. \r\n\r\nFor all of the organic preparations which were fractionated, the intensity of the yellow color increased as the charge on the organic anion increased. Highly colored, negatively charged organic material was found to be present in greater amounts in the subsurface spodic soil horizon of the Lakewood and Fairbanks soils than in the surface mollic horizon of the Macksburg soil. \r\n\r\nInfrared spectroscopy and elemental analysis of four pooled fractions of the Fairbanks fulvic acid indicated increasing aromatic character with increasing negative charge. An increase in the carboxyl content with negative charge suggests the carboxyl group as the primary source of the negative charge.","language":"ENGLISH","publisher":"U.S. Govt. Print. Off.,","doi":"10.3133/wsp1817E","usgsCitation":"Leenheer, J., and Malcolm, R., 1973, Fractionation and characterization of natural organic matter from certain rivers and soils by free-flow electrophoresis: U.S. Geological Survey Water Supply Paper 1817, iii, E1-E 14 p. :illus. ;24 cm., https://doi.org/10.3133/wsp1817E.","productDescription":"iii, E1-E 14 p. :illus. ;24 cm.","costCenters":[],"links":[{"id":138479,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/wsp/1817e/report-thumb.jpg"},{"id":27652,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/wsp/1817e/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b15e4b07f02db6a50fd","contributors":{"authors":[{"text":"Leenheer, J.A.","contributorId":75123,"corporation":false,"usgs":true,"family":"Leenheer","given":"J.A.","affiliations":[],"preferred":false,"id":144658,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Malcolm, Ronald L.","contributorId":46075,"corporation":false,"usgs":true,"family":"Malcolm","given":"Ronald L.","affiliations":[],"preferred":false,"id":144657,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70112314,"text":"70112314 - 1973 - Concealed structures in Arctic Alaska identified on ERTS-1 imagery","interactions":[],"lastModifiedDate":"2018-02-19T17:25:53","indexId":"70112314","displayToPublicDate":"1990-06-12T14:30:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2941,"text":"Oil & Gas Journal","printIssn":"0030-1388","active":true,"publicationSubtype":{"id":10}},"title":"Concealed structures in Arctic Alaska identified on ERTS-1 imagery","docAbstract":"No abstract available.","language":"English","publisher":"PennWell Corporation","publisherLocation":"Tulsa, OK","usgsCitation":"Fischer, W., and Lathram, E.H., 1973, Concealed structures in Arctic Alaska identified on ERTS-1 imagery: Oil & Gas Journal, v. 71, no. 22, p. 97-102.","productDescription":"6 p.","startPage":"97","endPage":"102","costCenters":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true}],"links":[{"id":288526,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","volume":"71","issue":"22","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"539acbece4b0e83db6d08ee1","contributors":{"authors":[{"text":"Fischer, William A.","contributorId":47787,"corporation":false,"usgs":true,"family":"Fischer","given":"William A.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":494660,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lathram, Ernest H.","contributorId":13900,"corporation":false,"usgs":true,"family":"Lathram","given":"Ernest","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":494659,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70011039,"text":"70011039 - 1973 - Radiometric ages of Kodiak Seamount and Giacomini Guyot, Gulf of Alaska: Implications for Circum-Pacific tectonics","interactions":[],"lastModifiedDate":"2026-01-23T16:29:44.72819","indexId":"70011039","displayToPublicDate":"1973-11-09T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Radiometric ages of Kodiak Seamount and Giacomini Guyot, Gulf of Alaska: Implications for Circum-Pacific tectonics","docAbstract":"

Kodiak Seamount and Giacomini Guyot have been dated at 22.6 ± 1.1 and 19.9 ± 1.0 [2σ (standard deviation)] × 106 years, respectively. Concordant whole-rock and plagioclase potassium-argon dates and fission-track apatite ages demonstrate that significant quantities of excess radiogenic 40Ar are not present in the dated samples. These seamounts are the northwesternmost edifices of the Pratt-Welker chain, which cuts obliquely across magnetic anomaly patterns in an older northeastern Pacific sea floor. The older of the two dated seamounts is in the Aleutian Trench, apparently about to be subducted. If one assumes that seamounts are generated by plate motion over a fixed hot spot in the mantle, a Pacific-plate motion of 6.6 centimeters per year during early Miocene time may be calculated.

","language":"English","publisher":"AAAS","doi":"10.1126/science.182.4112.579","issn":"00368075","usgsCitation":"Turner, D.L., Forbes, R.B., and Naeser, C.W., 1973, Radiometric ages of Kodiak Seamount and Giacomini Guyot, Gulf of Alaska: Implications for Circum-Pacific tectonics: Science, v. 182, no. 4112, p. 579-581, https://doi.org/10.1126/science.182.4112.579.","productDescription":"3 p.","startPage":"579","endPage":"581","costCenters":[],"links":[{"id":220682,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Gulf of Alaska","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -161.71874999999997,\n 55.60317816902704\n ],\n [\n -138.3837890625,\n 55.60317816902704\n ],\n [\n -138.3837890625,\n 61.543641475549954\n ],\n [\n -161.71874999999997,\n 61.543641475549954\n ],\n [\n -161.71874999999997,\n 55.60317816902704\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"182","issue":"4112","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9404e4b0c8380cd8115b","contributors":{"authors":[{"text":"Turner, D. L.","contributorId":53776,"corporation":false,"usgs":true,"family":"Turner","given":"D.","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":360131,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Forbes, R. B.","contributorId":12848,"corporation":false,"usgs":true,"family":"Forbes","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":360129,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Naeser, Charles W.","contributorId":76281,"corporation":false,"usgs":true,"family":"Naeser","given":"Charles","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":360130,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70162003,"text":"70162003 - 1973 - Radioelement distribution in the basement complex of the Yukon-Tanana upland, Eielson deep test hole, Alaska","interactions":[],"lastModifiedDate":"2016-01-11T14:19:36","indexId":"70162003","displayToPublicDate":"1973-11-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Radioelement distribution in the basement complex of the Yukon-Tanana upland, Eielson deep test hole, Alaska","docAbstract":"

Uranium, thorium, and potassium contents were determined in 94 samples of drill cuttings from a 9,774-foot-deep exploratory hole drilled entirely in crystalline schists of the basement complex of the Yukon-Tanana Upland. The data indicate two distinctively different rock types and reflect differences in the calcite content of the rock. Zones of anomalously high concentrations of the radioelements probably reflect the effects of the emplacement of the nearby Eielson pluton.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Bunker, C.M., Bush, C.A., and Forbes, R.B., 1973, Radioelement distribution in the basement complex of the Yukon-Tanana upland, Eielson deep test hole, Alaska: Journal of Research of the U.S. Geological Survey, v. 1, no. 6, p. 659-663.","productDescription":"5 p.","startPage":"659","endPage":"663","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314174,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":314173,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue6/report.pdf","text":"Report","size":"16.0 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Eielson deep test hole","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -146.8817138671875,\n 64.81915426595167\n ],\n [\n -146.95037841796875,\n 64.79811112776754\n ],\n [\n -146.96823120117185,\n 64.77529584748463\n ],\n [\n -146.9970703125,\n 64.75480416274713\n ],\n [\n -147.04925537109375,\n 64.75070395955947\n ],\n [\n -147.07260131835938,\n 64.7266759855353\n ],\n [\n -147.01629638671875,\n 64.72022582210509\n ],\n [\n -146.94488525390625,\n 64.7213986934753\n ],\n [\n -146.9146728515625,\n 64.71318752617226\n ],\n [\n -146.8707275390625,\n 64.70321347316407\n ],\n [\n -146.8048095703125,\n 64.71025436259812\n ],\n [\n -146.76910400390625,\n 64.70614739960975\n ],\n [\n -146.70867919921875,\n 64.71318752617226\n ],\n [\n -146.66336059570312,\n 64.74601725111455\n ],\n [\n -146.63589477539062,\n 64.78173288025181\n ],\n [\n -146.67160034179685,\n 64.80337345274579\n ],\n [\n -146.71279907226562,\n 64.80980378851918\n ],\n [\n -146.8817138671875,\n 64.81915426595167\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"6","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5694e04fe4b039675d005e59","contributors":{"authors":[{"text":"Bunker, C. M.","contributorId":75138,"corporation":false,"usgs":true,"family":"Bunker","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":588317,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bush, C. A.","contributorId":43344,"corporation":false,"usgs":true,"family":"Bush","given":"C.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":588318,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Forbes, R. B.","contributorId":12848,"corporation":false,"usgs":true,"family":"Forbes","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":588319,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70198455,"text":"70198455 - 1973 - Alaska-Aleutian range batholith: Geochronology, chemistry, and relation to circum-Pacific plutonism","interactions":[],"lastModifiedDate":"2018-08-07T09:32:34","indexId":"70198455","displayToPublicDate":"1973-08-01T10:42:44","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1723,"text":"GSA Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Alaska-Aleutian range batholith: Geochronology, chemistry, and relation to circum-Pacific plutonism","docAbstract":"

Potassium-argon mineral ages and reconnaissance mapping of approximately 65,000 sq km in south-central Alaska indicate that the Mesozoic and Cenozoic plutonic rocks in the region were emplaced during three discrete intrusive epochs. Most of the plutonic rocks are part of the Alaska-Aleutian Range batholith; the remainder appear as outcrops in isolated plutons northeast of the main batholith. Maximum and minimum concordant mineral ages on coexisting biotite and hornblende are used to mark the beginning and ending, respectively, of each intrusive epoch.

The oldest intrusive epoch, Early and Middle Jurassic, contains plutonic rocks emplaced between about 176 and 154 m.y. ago. Jurassic plutonism occurred along a magmatic arc at least 1,300 km long, extending from about 480 km southwest of Becharof Lake northeast to the Talkeetna Mountains. Aeromagnetic data suggest that the magmatic arc, which represents the roots of the arc portion of an early Mesozoic arc-trench system, also continues southwest into the Bering Shelf. The associated trench is thought to be represented by an imbricated mélange of ophiolite and submarine lava with associated chert and argillite that occupies a belt 140 km southeast of the magmatic arc. Clastic sediments more than 4.5 km thick occupy the 140-km-wide arc-trench gap.

Late Cretaceous and early Tertiary plutonic rocks, emplaced between about 83 and 58 m.y. ago, are found mainly in the northern part of the batholith and in isolated plutons to the northeast toward Mount McKinley. Middle Tertiary plutonic rocks ranging in age from 38 to 26 m.y. occur in two areas within the batholith and also in the Mount McKinley area. Although some of the Late Cretaceous and Tertiary plutons are associated with extrusive rocks, these plutons are largely post-tectonic, and magma was generated beneath both stable platform areas as well as beneath former eugeosynclinal regions in which deformation had essentially ceased.

Magma for the Jurassic plutonic rocks appears to have been generated along or above an early Mesozoic subduction zone. The region southeast of the zone is considered to represent a classic example of continental accretion of eugeosynclinal sediments caused by under-thrusting of oceanic crust beneath an island arc. Magma generation for the Cretaceous and Tertiary plutons in the northern part of the batholith does not appear related to the early Mesozoic subduction zone, for it would require that the zone shift inland, or toward the continent, from its position during the Jurassic and then shift away from the continent once again to its present position.

","language":"English","publisher":"GSW","doi":"10.1130/0016-7606(1973)84<2583:ARBGCA>2.0.CO;2","usgsCitation":"Reed, B.L., and Lanphere, M.A., 1973, Alaska-Aleutian range batholith: Geochronology, chemistry, and relation to circum-Pacific plutonism: GSA Bulletin, v. 84, no. 8, p. 2583-2610, https://doi.org/10.1130/0016-7606(1973)84<2583:ARBGCA>2.0.CO;2.","productDescription":"28 p.","startPage":"2583","endPage":"2610","costCenters":[],"links":[{"id":356240,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"84","issue":"8","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Reed, Bruce L.","contributorId":19928,"corporation":false,"usgs":true,"family":"Reed","given":"Bruce","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":741500,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lanphere, Marvin A. alder@usgs.gov","contributorId":2696,"corporation":false,"usgs":true,"family":"Lanphere","given":"Marvin","email":"alder@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":741501,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70161899,"text":"70161899 - 1973 - Use of machine-processable field notes in a wilderness mapping project (Granite Fiords area), southeastern Alaska","interactions":[],"lastModifiedDate":"2016-01-08T15:23:59","indexId":"70161899","displayToPublicDate":"1973-08-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Use of machine-processable field notes in a wilderness mapping project (Granite Fiords area), southeastern Alaska","docAbstract":"

For reconnaissance geologic mapping and mineral resource evaluation of the Granite Fiords wilderness study area, we developed and used a system of machine-processable field notes. Preprinted field forms standardize notes and serve as checklists that insure collection of all available data. The use of this system cut in half the time required to record data at an outcrop. The system consists of three related but
different types of preprinted field sheets, a key to abbreviations and codes, and a set of written instructions. The field sheets include a
station sheet for basic outcrop data, a specimen sheet for rock samples, and a geochemical sheet for materials to be chemically analyzed. Data on the field sheets are keypunched on standard IBM cards, then arranged in subfiles and retrieved by using a card sorter. Our system is
designed specifically for a region of granitic and metamorphic rocks but is easily modified for use in different geologic terranes. We offer four
guidelines for developing a system of machine-processable field notes: (1) Time and money spent to develop the system must be worth its
anticipated benefits. (2) The system should be as flexible as possible. (3) It is necessary to tailor the system to a particular geologic terrane or project objective. (4) The system should be as simple and self-explanatory as possible.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Berg, H., and Smith, J., 1973, Use of machine-processable field notes in a wilderness mapping project (Granite Fiords area), southeastern Alaska: Journal of Research of the U.S. Geological Survey, v. 1, no. 5, p. 579-585.","productDescription":"7 p.","startPage":"579","endPage":"585","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314059,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":314058,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue5/report.pdf","text":"Report","size":"19.2 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Granite Fiords Area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -140.9326171875,\n 60.34869562531862\n ],\n [\n -141.63574218749997,\n 59.84481485969105\n ],\n [\n -138.427734375,\n 58.950008233357046\n ],\n [\n -136.2744140625,\n 57.49221366670073\n ],\n [\n -136.0107421875,\n 56.70450561416937\n ],\n [\n -132.6708984375,\n 54.265224078605655\n ],\n [\n -130.9130859375,\n 54.67383096593114\n ],\n [\n -129.814453125,\n 55.35413531021057\n ],\n [\n -130.1220703125,\n 56.31653672211301\n ],\n [\n -132.1875,\n 57.088515327886505\n ],\n [\n -135.17578125,\n 59.866883195210214\n ],\n [\n -137.109375,\n 59.512029386502704\n ],\n [\n -139.482421875,\n 60.58696734225869\n ],\n [\n -140.9326171875,\n 60.34869562531862\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5690ebd1e4b09c7f9a218bee","contributors":{"authors":[{"text":"Berg, Henry C.","contributorId":73176,"corporation":false,"usgs":true,"family":"Berg","given":"Henry C.","affiliations":[],"preferred":false,"id":588075,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, James G.","contributorId":98712,"corporation":false,"usgs":true,"family":"Smith","given":"James G.","affiliations":[],"preferred":false,"id":588076,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70161864,"text":"70161864 - 1973 - Permian paleogeography of the Arctic","interactions":[],"lastModifiedDate":"2016-01-07T13:43:34","indexId":"70161864","displayToPublicDate":"1973-08-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Permian paleogeography of the Arctic","docAbstract":"

Three large land areas were dominant in the Arctic during the Permian: Fennoscandia, central and southern Siberia (Angara), and Canada. Smaller landmasses were in China, the Seward-Chukotskiy region, northern and eastern Siberia, and near Alaska. Coal deposits and strata bearing land plants covered a large area in central Siberia; saline basins containing red beds formed in the Zechstein, Perm, and West Texas basins as the seas withdrew, generally in the later Permian. Eugeosynclinal troughs, apparently limited to the Pacific border regions, were marked by volcanism and deposition of predominantly clastic sediments in many areas. Platform and miogeosynclinal deposits, dominated by carbonate rocks, preceded saline deposition in the basins and persisted on shallow shelves adjacent to the geosynclines. The Arctic Permian marine fauna evolved in middle Permian time because of partial isolation of the Arctic areas from the southern ocean. Endemism, latitudinal temperature controls, and the effect of ocean currents explain in large part the faunal patterns in Permian seas. Post-Permian tectonic movements account for anomalies in the present positions of some rock sequences and fossils. Northeasterly drift and counterclockwise
rotation of the northern landmasses are suggested. Right-lateral shear along the southern edge of Asia is supported, followed by
northward movement of peninsular India.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Dutro, J.T., and Saldukas, R.B., 1973, Permian paleogeography of the Arctic: Journal of Research of the U.S. Geological Survey, v. 1, no. 5, p. 501-507.","productDescription":"7 p.","startPage":"501","endPage":"507","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314020,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue5/report.pdf","text":"Report","size":"19.2 MB","linkFileType":{"id":1,"text":"pdf"}},{"id":314021,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"568f9a5de4b0e7a44bc63de2","contributors":{"authors":[{"text":"Dutro, J. Thomas Jr.","contributorId":102878,"corporation":false,"usgs":true,"family":"Dutro","given":"J.","suffix":"Jr.","email":"","middleInitial":"Thomas","affiliations":[],"preferred":false,"id":587986,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Saldukas, R. Birute","contributorId":152115,"corporation":false,"usgs":false,"family":"Saldukas","given":"R.","email":"","middleInitial":"Birute","affiliations":[],"preferred":false,"id":587987,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70161870,"text":"70161870 - 1973 - Soda Creek springs - metamorphic waters in the eastern Alaska Range","interactions":[],"lastModifiedDate":"2016-01-07T19:08:52","indexId":"70161870","displayToPublicDate":"1973-08-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Soda Creek springs - metamorphic waters in the eastern Alaska Range","docAbstract":"

The Soda Creek springs are a group of small, cold mineral springs on the southern flank of the eastern Alaska Range. The spring waters contain anomalous concentrations of carbon dioxide, sodium, chlorine, sulfate, boron, and ammonia and are actively precipitating deposits of calcite and aragonite. Sparingly present in these deposits are mixed-layer illite-montmorillonite clays and zeolite minerals. Low-temperature
metamorphic reactions in subjacent marine sedimentary rocks of Jurassic and Cretaceous age may have produced the fluids and silicate minerals. With only a few exceptions, cool bicarbonate-rich springs in Alaska are concentrated south of the Denali fault system in south-central Alaska, southeastern Alaska, and along the Kaltag-Tintina fault system. These areas are characterized by active or recently active
tectonism, major faults and folds, and an abundance of marine sedimentary rocks.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Richter, D., Donaldson, D., and Lamarre, R., 1973, Soda Creek springs - metamorphic waters in the eastern Alaska Range: Journal of Research of the U.S. Geological Survey, v. 1, no. 5, p. 523-528.","productDescription":"6 p.","startPage":"523","endPage":"528","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":314030,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":314029,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue5/report.pdf","text":"Report","size":"19.2 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Soda Creek springs","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -141.15234374999997,\n 68.8159271333607\n ],\n [\n -166.025390625,\n 68.72044056989829\n ],\n [\n -161.015625,\n 60.37042901631508\n ],\n [\n -140.625,\n 60.973107109199404\n ],\n [\n -141.15234374999997,\n 68.8159271333607\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"568f9a68e4b0e7a44bc63dff","contributors":{"authors":[{"text":"Richter, D.H.","contributorId":43325,"corporation":false,"usgs":true,"family":"Richter","given":"D.H.","email":"","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":587997,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Donaldson, D.E.","contributorId":51829,"corporation":false,"usgs":true,"family":"Donaldson","given":"D.E.","email":"","affiliations":[],"preferred":false,"id":587998,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lamarre, R.A.","contributorId":152117,"corporation":false,"usgs":false,"family":"Lamarre","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":587999,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70241915,"text":"70241915 - 1973 - Antarctic icebergs as a fresh water resource","interactions":[],"lastModifiedDate":"2023-03-30T16:58:27.216648","indexId":"70241915","displayToPublicDate":"1973-05-01T11:46:18","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3095,"text":"Polar Record","active":true,"publicationSubtype":{"id":10}},"title":"Antarctic icebergs as a fresh water resource","docAbstract":"

In a recent study (Weeks and Campbell, in press), we made a rather complete examination of the idea that icebergs could advantageously be used as a source of fresh water. The origin of the general idea of transporting icebergs is obscure; it may date from the 1850's when ice was transported from Alaska to California as a commercial venture. The current revival of the idea, in particular as applied to the water problems of southern California, can be credited to John Issacs of the Scripps Institute of Oceanography (Burt, 1956). However no critical evaluation was ever published. We initially undertook the present study because our intuition “told” us that the idea was untenable and we thought that we could easily prove that this was the case, thereby laying the idea to rest. Our intuition proved to be wrong and we now believe that the idea is, indeed, highly attractive when applied to certain locations in the Southern Hemisphere. This note briefly outlines our approach to analyzing the problem and our results.

","language":"English","publisher":"Cambridge University Press","doi":"10.1017/S0032247400063592","usgsCitation":"Weeks, W., and Campbell, W.J., 1973, Antarctic icebergs as a fresh water resource: Polar Record, v. 16, no. 104, p. 661-665, https://doi.org/10.1017/S0032247400063592.","productDescription":"5 p.","startPage":"661","endPage":"665","costCenters":[],"links":[{"id":414981,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","issue":"104","noUsgsAuthors":false,"publicationDate":"2009-10-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Weeks, W.F.","contributorId":39433,"corporation":false,"usgs":true,"family":"Weeks","given":"W.F.","email":"","affiliations":[],"preferred":false,"id":868214,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Campbell, W. J.","contributorId":8614,"corporation":false,"usgs":true,"family":"Campbell","given":"W.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":868215,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70241827,"text":"70241827 - 1973 - Tectonic history of the central Aleutian arc","interactions":[],"lastModifiedDate":"2023-03-29T11:04:22.350874","indexId":"70241827","displayToPublicDate":"1973-05-01T11:44:21","publicationYear":"1973","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":"Tectonic history of the central Aleutian arc","docAbstract":"

No abstract available.

","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1973)84<1555:THOTCA>2.0.CO;2","usgsCitation":"Marlow, M.S., Scholl, D.W., Buffington, E.C., and Alpha, T.R., 1973, Tectonic history of the central Aleutian arc: Geological Society of America Bulletin, v. 84, no. 5, p. 1555-1574, https://doi.org/10.1130/0016-7606(1973)84<1555:THOTCA>2.0.CO;2.","productDescription":"24 p.","startPage":"1555","endPage":"1574","costCenters":[],"links":[{"id":414834,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Aleutian Arc","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 186.46181641629397,\n 53.42840240266102\n ],\n [\n 175.21469180839983,\n 53.42840240266102\n ],\n [\n 175.21469180839983,\n 50.86602607525239\n ],\n [\n 186.46181641629397,\n 50.86602607525239\n ],\n [\n 186.46181641629397,\n 53.42840240266102\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"84","issue":"5","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Marlow, Michael S.","contributorId":72775,"corporation":false,"usgs":true,"family":"Marlow","given":"Michael","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":867856,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Scholl, David W. 0000-0001-6500-6962 dscholl@usgs.gov","orcid":"https://orcid.org/0000-0001-6500-6962","contributorId":3738,"corporation":false,"usgs":true,"family":"Scholl","given":"David","email":"dscholl@usgs.gov","middleInitial":"W.","affiliations":[{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true},{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":867857,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Buffington, E. C.","contributorId":13948,"corporation":false,"usgs":true,"family":"Buffington","given":"E.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":867858,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Alpha, Tau Rho","contributorId":63371,"corporation":false,"usgs":true,"family":"Alpha","given":"Tau","email":"","middleInitial":"Rho","affiliations":[],"preferred":false,"id":867859,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70241578,"text":"70241578 - 1973 - Evidence for Quaternary movement on the McKinley strand of the Denali fault in the Delta River area, Alaska","interactions":[],"lastModifiedDate":"2023-03-23T17:31:16.292229","indexId":"70241578","displayToPublicDate":"1973-03-01T12:17:29","publicationYear":"1973","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":"Evidence for Quaternary movement on the McKinley strand of the Denali fault in the Delta River area, Alaska","docAbstract":"

Offset Holocene alluvial fans and drainages along the McKinley strand of the Denali fault near the Delta River in the east-central Alaska Range indicate as much as 50 to 60 m of right-lateral displacement during the last 10,000 yrs. Vertical movement of 6 to 10 m during the same time interval is reflected by south-facing scarps along the trace of the fault. All but possibly 1 m of the lateral movement is thought to predate the 1830 neoglacial ice advance. Older drainages have been offset in a right-lateral sense since early Wisconsin or Illinoian time by as much as 6.5 km or, alternatively, by as little as 1 km.

","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1973)84<939:EFQMOT>2.0.CO;2","usgsCitation":"Stout, J.H., Brady, J., Weber, F., and Page, R., 1973, Evidence for Quaternary movement on the McKinley strand of the Denali fault in the Delta River area, Alaska: Geological Society of America Bulletin, v. 84, no. 3, p. 939-948, https://doi.org/10.1130/0016-7606(1973)84<939:EFQMOT>2.0.CO;2.","productDescription":"9 p.","startPage":"939","endPage":"948","costCenters":[],"links":[{"id":414634,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Delta River, Denali fault, McKinley strand","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -151.203280537446,\n 64.96664475615233\n ],\n [\n -151.203280537446,\n 63.08612846985622\n ],\n [\n -143.15030202182086,\n 63.08612846985622\n ],\n [\n -143.15030202182086,\n 64.96664475615233\n ],\n [\n -151.203280537446,\n 64.96664475615233\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"84","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Stout, J. H.","contributorId":23989,"corporation":false,"usgs":true,"family":"Stout","given":"J.","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":867379,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brady, J.B.","contributorId":58078,"corporation":false,"usgs":true,"family":"Brady","given":"J.B.","email":"","affiliations":[],"preferred":false,"id":867380,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Weber, F.","contributorId":69343,"corporation":false,"usgs":true,"family":"Weber","given":"F.","affiliations":[],"preferred":false,"id":867381,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Page, R.A.","contributorId":40197,"corporation":false,"usgs":true,"family":"Page","given":"R.A.","email":"","affiliations":[],"preferred":false,"id":867382,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70160718,"text":"70160718 - 1973 - Two diamictons in a landslide scarp on Admiralty Island, Alaska, and the tectonic insignificance of an intervening peat bed","interactions":[],"lastModifiedDate":"2015-12-29T12:52:27","indexId":"70160718","displayToPublicDate":"1973-03-01T02:30:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Two diamictons in a landslide scarp on Admiralty Island, Alaska, and the tectonic insignificance of an intervening peat bed","docAbstract":"

Two till-like diamictons, 700 feet above present sea level on Admiralty Island, Alaska, are separated by peat near the top of a landslide scarp. The lower diamicton is glaciomarine; the upper diamicton is probably a mudflow. The lower diamicton contains the foraminifer Elphidium clavatum Cushman, a species typical of fiords.  Similar diamicton crops out along Gastineau Channel near Juneau, 15 miles eastward. Diamicton in both areas reflects deposition in glacier-free fiords during land depression and sea transgression. Consequently,
till-like deposits less than 700 feet above sea level elsewhere in southeastern Alaska should be considered as possibly glaciomarine.  Sliding occurred after late 1962, but before July 1964; the March 27, 1964, Alaska earthquake might have caused sliding of diamicton saturated by melting snow and spring rains. The peat in the landslide scarp has a published radiocarbon date of 3,400±250 years B.P. (W-1955). The peat was expected to be older, and to relate to Holocene tectonic movement of Admiralty Island. The unexpectedly young date led to additional field study that showed the material over the peat to be a probable mudflow derived from glaciomarine diamicton upvalley; the date has no tectonic significance.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Miller, R.D., 1973, Two diamictons in a landslide scarp on Admiralty Island, Alaska, and the tectonic insignificance of an intervening peat bed: Journal of Research of the U.S. Geological Survey, v. 1, no. 3, p. 309-314.","productDescription":"6 p.","startPage":"309","endPage":"314","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":312995,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":312994,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue3/report.pdf","text":"Report","size":"23.61 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Admiralty Island","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -135.10986328125,\n 58.52525717092532\n ],\n [\n -134.857177734375,\n 58.034280685772735\n ],\n [\n -134.62646484375,\n 57.344309849972895\n ],\n [\n -134.71435546875,\n 57.18687872765791\n ],\n [\n -134.659423828125,\n 56.9569571133683\n ],\n [\n -134.01123046874997,\n 57.20175947677694\n ],\n [\n -133.5498046875,\n 57.37986126240439\n ],\n [\n -134.066162109375,\n 58.05753828340334\n ],\n [\n -134.208984375,\n 58.222811012582135\n ],\n [\n -134.67041015625,\n 58.21413156442685\n ],\n [\n -134.9395751953125,\n 58.56252272853734\n ],\n [\n -135.10986328125,\n 58.52525717092532\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5683bcbfe4b0a04ef4925e61","contributors":{"authors":[{"text":"Miller, Robert D.","contributorId":85168,"corporation":false,"usgs":true,"family":"Miller","given":"Robert","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":583675,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70160722,"text":"70160722 - 1973 - A spectrochemical method for determining the composition of native gold","interactions":[],"lastModifiedDate":"2015-12-29T13:49:45","indexId":"70160722","displayToPublicDate":"1973-03-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"A spectrochemical method for determining the composition of native gold","docAbstract":"

The spectrochemical method described herein for determining trace, minor, and major element distribution in native gold is applicable over a wide range of particle sizes and over a very large concentration range. The matrices of samples and standards are very closely matched. The method was tested on 100 nuggets from a gold sample collected in Alaska. The data show that the method is adequate for 30 of the 31 elements checked; only the mercury values are not acceptable. The data also show that more than one sample is necessary for a complete evaluation of all elements in one geologic location.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Sutton, A., Havens, R., and Sainsbury, C., 1973, A spectrochemical method for determining the composition of native gold: Journal of Research of the U.S. Geological Survey, v. 1, no. 3, p. 301-307.","productDescription":"7 p.","startPage":"301","endPage":"307","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":312999,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":312998,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue3/report.pdf","text":"Report","size":"23.61. MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -140.888671875,\n 70.11048478105927\n ],\n [\n -158.90625,\n 71.80141030136785\n ],\n [\n -168.3984375,\n 68.52823492039876\n ],\n [\n -168.3984375,\n 56.46249048388979\n ],\n [\n -177.626953125,\n 53.27835301753182\n ],\n [\n -177.45117187499997,\n 50.3454604086048\n ],\n [\n -156.796875,\n 54.97761367069625\n ],\n [\n -148.271484375,\n 59.085738569819505\n ],\n [\n -139.921875,\n 59.31076795603884\n ],\n [\n -133.76953125,\n 53.014783245859235\n ],\n [\n -128.759765625,\n 56.072035471800866\n ],\n [\n -135.87890625,\n 60.673178565817715\n ],\n [\n -140.09765625,\n 60.930432202923335\n ],\n [\n -140.888671875,\n 70.11048478105927\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"3","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5683bcbae4b0a04ef4925e47","contributors":{"authors":[{"text":"Sutton, A.L.","contributorId":83146,"corporation":false,"usgs":true,"family":"Sutton","given":"A.L.","email":"","affiliations":[],"preferred":false,"id":583688,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Havens, R.G.","contributorId":65889,"corporation":false,"usgs":true,"family":"Havens","given":"R.G.","email":"","affiliations":[],"preferred":false,"id":583689,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sainsbury, C.L.","contributorId":99968,"corporation":false,"usgs":true,"family":"Sainsbury","given":"C.L.","email":"","affiliations":[],"preferred":false,"id":583690,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70241836,"text":"70241836 - 1973 - Late Quaternary sedimentation in the active eastern Aleutian Trench","interactions":[],"lastModifiedDate":"2023-03-28T18:58:21.059486","indexId":"70241836","displayToPublicDate":"1973-01-01T13:50:58","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1796,"text":"Geology","active":true,"publicationSubtype":{"id":10}},"title":"Late Quaternary sedimentation in the active eastern Aleutian Trench","docAbstract":"

Sediments originally deposited on the Alaskan Abyssal Plain have been depressed to form the eastern Aleutian Trench. Simultaneously, a wedge of horizontally bedded sediments, about 1 km thick at its axis, has been deposited in the trench. The time-transgressive facies change between this wedge of sediment and the abyssal-plain sediment sequence shows up as a discontinuity on seismic records. Sediment is being deposited up to 10 times faster in the trench than on the abyssal plain. Ninety percent of the sediment in the trench arrived there by moving down the trench wall as slumps or in turbidity currents, and has been partly redistributed by turbidity currents flowing in a channel along the trench axis; 7 percent has come from the Surveyor Channel distribution system on the abyssal plain; and 3 percent is pelagic (mainly ice rafted). Sediments pass from a sandy facies near the trench wall to a silt-mud facies on the abyssal plain. If a similar trench were exposed on land, the stratigraphic sequence would consist of sandstone grading transitionally downward into shale, and then into an abyssal-plain sequence. Sediment fill in the Aleutian Trench is abnormally thick as a result of Pleistocene glaciation; Neogene trench-fill sediments would be less than 800 m thick.

","language":"English","publisher":"Geological Society of America","doi":"10.1130/0091-7613(1973)1<19:LQSITA>2.0.CO;2","usgsCitation":"Piper, D., von Huene, R., and Duncan, J.R., 1973, Late Quaternary sedimentation in the active eastern Aleutian Trench: Geology, v. 1, no. 1, p. 19-22, https://doi.org/10.1130/0091-7613(1973)1<19:LQSITA>2.0.CO;2.","productDescription":"4 p.","startPage":"19","endPage":"22","costCenters":[],"links":[{"id":414843,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Aleutian Trench, Pacific Ocean","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -151.26158724216202,\n 58.39620746846026\n ],\n [\n -151.26158724216202,\n 55.15578585085143\n ],\n [\n -141.5516107444637,\n 55.15578585085143\n ],\n [\n -141.5516107444637,\n 58.39620746846026\n ],\n [\n -151.26158724216202,\n 58.39620746846026\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"1","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Piper, David J. W.","contributorId":28631,"corporation":false,"usgs":true,"family":"Piper","given":"David J. W.","affiliations":[],"preferred":false,"id":867881,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"von Huene, Roland 0000-0003-1301-3866","orcid":"https://orcid.org/0000-0003-1301-3866","contributorId":208085,"corporation":false,"usgs":false,"family":"von Huene","given":"Roland","affiliations":[{"id":37709,"text":"USGS, emeritus, 800 Blossom Hill Road, Los Gatos, CA","active":true,"usgs":false}],"preferred":false,"id":867882,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Duncan, John R.","contributorId":303703,"corporation":false,"usgs":false,"family":"Duncan","given":"John","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":867883,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70265513,"text":"70265513 - 1973 - Field water-quality information along the proposed trans-Alaska pipeline corridor, September 1970 through September 1972","interactions":[],"lastModifiedDate":"2025-04-09T16:48:53.544041","indexId":"70265513","displayToPublicDate":"1973-01-01T12:48:35","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Field water-quality information along the proposed trans-Alaska pipeline corridor, September 1970 through September 1972","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/70265513","usgsCitation":"Nauman, J.W., and Kernodle, D.R., 1973, Field water-quality information along the proposed trans-Alaska pipeline corridor, September 1970 through September 1972, https://doi.org/10.3133/70265513.","costCenters":[],"links":[{"id":484353,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Nauman, Jon W.","contributorId":56232,"corporation":false,"usgs":true,"family":"Nauman","given":"Jon","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":932869,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kernodle, Donald R.","contributorId":63003,"corporation":false,"usgs":true,"family":"Kernodle","given":"Donald","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":932870,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":25225,"text":"25225 - 1973 - Flood survey at proposed TAPS crossing of Yukon River near Stevens Village, Alaska","interactions":[],"lastModifiedDate":"2014-07-15T11:05:00","indexId":"25225","displayToPublicDate":"1973-01-01T11:03:26","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":375,"text":"Open-File Report","active":false,"publicationSubtype":{"id":6}},"title":"Flood survey at proposed TAPS crossing of Yukon River near Stevens Village, Alaska","docAbstract":"No abstract available.","language":"English","publisher":"U.S. Department of the Interior","publisherLocation":"Anchorage, AK","doi":"10.3133/25225","issn":"0364-7064","usgsCitation":"Childers, J.M., and Lamke, R.D., 1973, Flood survey at proposed TAPS crossing of Yukon River near Stevens Village, Alaska: Open-File Report, 12 p., https://doi.org/10.3133/25225.","productDescription":"12 p.","numberOfPages":"12","costCenters":[],"links":[{"id":290124,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Stevens Village","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -149.164216,65.994062 ], [ -149.164216,66.043968 ], [ -148.989599,66.043968 ], [ -148.989599,65.994062 ], [ -149.164216,65.994062 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"53c64d8ae4b0001bd514776a","contributors":{"authors":[{"text":"Childers, Joseph M.","contributorId":14379,"corporation":false,"usgs":true,"family":"Childers","given":"Joseph","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":193333,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lamke, Robert D.","contributorId":24764,"corporation":false,"usgs":true,"family":"Lamke","given":"Robert","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":193334,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70198456,"text":"70198456 - 1973 - Timing of mesozoic and cenozoic plutonic events in circum-Pacific North America","interactions":[],"lastModifiedDate":"2024-01-08T15:24:03.408694","indexId":"70198456","displayToPublicDate":"1973-01-01T10:53:27","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1723,"text":"GSA Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Timing of mesozoic and cenozoic plutonic events in circum-Pacific North America","docAbstract":"

Evaluation of isotopic ages of granitic intrusive rocks of large batholiths in circum-Pacific North America indicates that Mesozoic and Cenozoic plutonism was episodic but not periodic. Three intrusive epochs have been defined in the Alaska-Aleutian Range batholith of Alaska on the basis of concordant potassium-argon ages of coexisting biotite and hornblende or muscovite. Only two intrusive epochs based on concordant ages of mineral pairs and an older plutonic episode can be recognized in the Sierra Nevada and southern California batholiths. Detailed intrusive histories for other parts of Alaska, British Columbia, and Yukon Territory cannot be inferred from available data. The intrusive epochs in the western United States do not correlate with the epochs in the Alaska-Aleutian Range batholith. The spacing, duration, and synchroneity of intrusive epochs in the circum-Pacific batholiths of North America are not yet well established.

","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1973)84<3773:TOMACP>2.0.CO;2","usgsCitation":"Lanphere, M.A., and Reed, B.L., 1973, Timing of mesozoic and cenozoic plutonic events in circum-Pacific North America: GSA Bulletin, v. 84, no. 12, p. 3773-3782, https://doi.org/10.1130/0016-7606(1973)84<3773:TOMACP>2.0.CO;2.","productDescription":"10 p.","startPage":"3773","endPage":"3782","costCenters":[],"links":[{"id":356241,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"84","issue":"12","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Lanphere, Marvin A. alder@usgs.gov","contributorId":2696,"corporation":false,"usgs":true,"family":"Lanphere","given":"Marvin","email":"alder@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":741502,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reed, Bruce L.","contributorId":19928,"corporation":false,"usgs":true,"family":"Reed","given":"Bruce","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":741503,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70160651,"text":"70160651 - 1973 - Lithostrotion reiseri n. sp., a cerioid colonial coral from Meramec-age beds, Lisburne Group, arctic Alaska","interactions":[],"lastModifiedDate":"2015-12-28T12:54:51","indexId":"70160651","displayToPublicDate":"1973-01-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Lithostrotion reiseri n. sp., a cerioid colonial coral from Meramec-age beds, Lisburne Group, arctic Alaska","docAbstract":"

Lithostrotion reiseri n. sp. is a cerioid, colonial coral, index fossil for microfossil zones 12-13 (Meramec) in the Lisburne Group in the central and eastern Brooks Range, arctic Alaska.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Armstrong, A.K., 1973, Lithostrotion reiseri n. sp., a cerioid colonial coral from Meramec-age beds, Lisburne Group, arctic Alaska: Journal of Research of the U.S. Geological Survey, v. 1, no. 2, p. 137-145.","productDescription":"9 p.","startPage":"137","endPage":"145","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":312922,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":312920,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue2/report.pdf","text":"Report","size":"26.1 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Artic Ocean Coast","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -167.6513671875,\n 68.49604022839505\n ],\n [\n -161.7626953125,\n 70.71447063199373\n ],\n [\n -157.58789062499997,\n 71.6498329432346\n ],\n [\n -140.8447265625,\n 70.03559723423488\n ],\n [\n -141.064453125,\n 66.63555577803261\n ],\n [\n -168.75,\n 66.47820814385636\n ],\n [\n -167.6513671875,\n 68.49604022839505\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56826b46e4b0a04ef4925b81","contributors":{"authors":[{"text":"Armstrong, Augustus K.","contributorId":68282,"corporation":false,"usgs":true,"family":"Armstrong","given":"Augustus","email":"","middleInitial":"K.","affiliations":[],"preferred":false,"id":583466,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70160654,"text":"70160654 - 1973 - Upper Cretaceous (Maestrichtian) fossils from the Kenai-Chugach Mountains, Kodiak and Shumagin Islands, Southern Alaska","interactions":[],"lastModifiedDate":"2015-12-28T13:06:50","indexId":"70160654","displayToPublicDate":"1973-01-01T01:15:00","publicationYear":"1973","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2446,"text":"Journal of Research of the U.S. Geological Survey","active":true,"publicationSubtype":{"id":10}},"title":"Upper Cretaceous (Maestrichtian) fossils from the Kenai-Chugach Mountains, Kodiak and Shumagin Islands, Southern Alaska","docAbstract":"

A thick sequence of highly deformed flyschlike metasandstone, slate, and argillite crops out in southern Alaska in the Kenai-Chugach Mountains and on Kodiak and the Shumagin Islands to the southwest. These poorly fossiliferous rocks have long been considered Cretaceous in age because of scattered occurrences of fragmentary shells of Inoceramus. Mainly on the basis of new fossil collections, the age of some of these rocks can now be firmly established as Late Cretaceous (Maestrichtian); the critical fossil is Inoceramus kusiroensis Nagao and Matsumoto. Inoceramus kusiroensis also occurs in the much more fossiliferous and only slightly deformed Matanuska Formation that forms a parallel belt north of the Chugach Mountains. On the basis of faunal, lithologic, and bedding characteristics, the Matanuska Formation is the shelf equivalent of the deepwater, trench, or continental-rise deposits of the Kenai-Chugach Mountains and islands to the southwest.  \"Inoceramya concentrica\" Ulrich occurs with Inoceramus kusiroensis and is Maestrichtian in age, not Early Jurassic as E. 0. Ulrich suggested
in 1910. The syntypes of I. concentrica are refigured and a lectotype is designated.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","usgsCitation":"Clark, S.H., and Jones, D.L., 1973, Upper Cretaceous (Maestrichtian) fossils from the Kenai-Chugach Mountains, Kodiak and Shumagin Islands, Southern Alaska: Journal of Research of the U.S. Geological Survey, v. 1, no. 2, p. 125-136.","productDescription":"12 p.","startPage":"125","endPage":"136","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":312926,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":312925,"rank":1,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/journal/1973/vol1issue2/report.pdf","text":"Report","size":"26.1 MB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States of America","state":"Alaska","otherGeospatial":"Kenai-Chugach Mountains","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -169.8046875,\n 61.73152565113397\n ],\n [\n -141.767578125,\n 61.48075950007598\n ],\n [\n -135.087890625,\n 58.53959476664049\n ],\n [\n -134.296875,\n 54.059387886623576\n ],\n [\n -172.79296875,\n 54.16243396806781\n ],\n [\n -169.8046875,\n 61.73152565113397\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"1","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"56826b49e4b0a04ef4925ba9","contributors":{"authors":[{"text":"Clark, Sandra H. B.","contributorId":88706,"corporation":false,"usgs":true,"family":"Clark","given":"Sandra","email":"","middleInitial":"H. B.","affiliations":[],"preferred":false,"id":583467,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Jones, David L.","contributorId":61925,"corporation":false,"usgs":true,"family":"Jones","given":"David","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":583468,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70156968,"text":"70156968 - 1973 - Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, July 1972","interactions":[],"lastModifiedDate":"2019-11-13T15:01:25","indexId":"70156968","displayToPublicDate":"1973-01-01T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, July 1972","docAbstract":"

The U.S. Geological Survey established a sampling program on Amchitka Island in 1967 in cooperation with the U.S . Atomic Energy Commission. Water samples are analyzed routinely for tritium, gross alpha, and gross beta/gamma content, Frequency of sampling was semiannually prior to Cannikin and has been bimonthly since the Cannikin event (November 6, 1971). The sampling frequency will be quarterly for the remainder of the first year (through November 1972). Sampling frequency will be changed to an annual basis approximately 1 1/2 years after the event.

\n

The techniques and procedures used for sample collection, identification, and analysis are described in Beetem, Washington, Janzer, and Schroder (1971) and in Schroder (1971), Radiochemical data obtained from samples analyzed by the U.S. Geological Survey through November 1970 are reported in Beetem, Washington, Janzer, and Schroder (1971), Radiochemical data obtained from samples analyzed by the U.S. Geological Survey from September 1971 through December 1971 and January 13 through April 5, 1972, are reported in Schroder and Ballance (1972a,b). This report presents the radiochemical data from samples collected during July 1972,

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/70156968","usgsCitation":"Ballance, W.C., and Schroder, L., 1973, Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, July 1972, i, 15 p., https://doi.org/10.3133/70156968.","productDescription":"i, 15 p.","numberOfPages":"19","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":308555,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70156968/report.pdf","text":"Report","size":"2,666 KB","linkFileType":{"id":1,"text":"pdf"}},{"id":307885,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr474166.JPG"}],"country":"United States","state":"Alaska","otherGeospatial":"Amchitka Island, Aleutian Islands","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 178.584136963,\n 51.63677159243599\n ],\n [\n 178.592376709,\n 51.61290019118336\n ],\n [\n 179.21585083,\n 51.3254629443313\n ],\n [\n 179.508361816,\n 51.37520943448463\n ],\n [\n 179.057922363,\n 51.587309751245456\n ],\n [\n 178.628082275,\n 51.67936786087718\n ],\n [\n 178.584136963,\n 51.63677159243599\n ]\n ]\n ]\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55f7efc0e4b05d6c4e4fa98e","contributors":{"authors":[{"text":"Ballance, Wilbur C.","contributorId":50436,"corporation":false,"usgs":true,"family":"Ballance","given":"Wilbur","email":"","middleInitial":"C.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":571269,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Schroder, L.J.","contributorId":31767,"corporation":false,"usgs":true,"family":"Schroder","given":"L.J.","email":"","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":571270,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70156975,"text":"70156975 - 1973 - Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, October 1972","interactions":[],"lastModifiedDate":"2019-11-13T15:04:39","indexId":"70156975","displayToPublicDate":"1973-01-01T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Radiochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, October 1972","docAbstract":"

The U.S. Geological Survey collected water samples from Arnchitka Island, Alaska, during October 1972. Tritium determinations were made on all samples collected and gross alpha and gross beta/gamma determinations were made on 41 samples. The gross alpha and gross beta determinations when compared with previously determined ranges for fresh waters on Amchitka Island show no trends.

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Inflatable straddle packers were used to isolate and test selected intervals in hole UAe-3. Packer seats were poor in the uncased part of the hole because of unstable wall conditions, and leakage around packers occurred during some tests. However, leakage generally was slight, as shown on pressure-gage charts, and had little effect on the tests. The static water levels in the intervals tested ranged from 31.6 meters (104 feet) below land surface in the upper interval tested to about 115 meters (377 feet) below land surface in the lower interval tested, indicating decreasing head with depth. The relative specific capacities of isolated zones ranged from less than 0.001 cubic meter per day per meter (less than 0.001 gallon per minute per foot) of drawdown to 0.898 cubic meter per day per meter (0.050 gallon per minute per foot) of drawdown.

","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/70156958","usgsCitation":"Ballance, W.C., 1973, Hydraulic tests in hole UAe-3, Amchitka Island, Alaska (Revision 1), ii, 30 p., https://doi.org/10.3133/70156958.","productDescription":"ii, 30 p.","numberOfPages":"35","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":307875,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/ofr47426.JPG"},{"id":308552,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70156958/report.pdf","text":"Report","size":"7,610 KB","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Amchitka Island, Aleutian Islands","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n 178.584136963,\n 51.63677159243599\n ],\n [\n 178.592376709,\n 51.61290019118336\n ],\n [\n 179.21585083,\n 51.3254629443313\n ],\n [\n 179.508361816,\n 51.37520943448463\n ],\n [\n 179.057922363,\n 51.587309751245456\n ],\n [\n 178.628082275,\n 51.67936786087718\n ],\n [\n 178.584136963,\n 51.63677159243599\n ]\n ]\n ]\n }\n }\n ]\n}","edition":"Revision 1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"55f7efb8e4b05d6c4e4fa975","contributors":{"authors":[{"text":"Ballance, Wilbur C.","contributorId":50436,"corporation":false,"usgs":true,"family":"Ballance","given":"Wilbur","email":"","middleInitial":"C.","affiliations":[{"id":595,"text":"U.S. Geological Survey","active":false,"usgs":true}],"preferred":false,"id":571248,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70156956,"text":"70156956 - 1973 - Biochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, August 1973","interactions":[],"lastModifiedDate":"2019-11-13T14:57:32","indexId":"70156956","displayToPublicDate":"1973-01-01T00:00:00","publicationYear":"1973","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"title":"Biochemical monitoring of water after the Cannikin event, Amchitka Island, Alaska, August 1973","docAbstract":"

Radiochemical data from the Amchitka Island study area were obtained from water samples collected by the U.S. Geological Survey during August 1973. Tritium determinations were made on 86 samples collected and gross alpha and gross beta/gamma determinations were made on 38 samples. The range of data for these samples was equal or less than the range of values obtained before the Cannikin event.

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