The phase relations in the ternary system Fe-Pb-S were determined by quenching and differential thermal analysis experiments in rigid silica-glass tubes. The solubilities of FeS in galena and in liquid Pb and the extent of solid solution of PbS in pyrite and pyrrhotite at 700° C are too small to be determined by the methods employed and are probably less than 0.1 wt. percent. Less than 1 wt. percent S is soluble in liquid Pb at 700° C. Ternary compounds do not occur in this system. An invariant point involving galena, pyrite, sulfide liquid, liquid sulfur, and vapor occurs at 716° C. The ternary liquid at this temperature contains about 60 wt. percent Pb, 13 wt. percent Fe, and 27 wt. percent S, and is thus situated slightly on the sulfur side of the PbS-FeS2 join. At 719° C tie lines between galena and pyrite are replaced by sulfide liquid-pyrrhotite tie lines in an invariant reaction involving vapor. The sulfide liquid field expands rapidly and intersects the PbS-FeS2 join at 723° C. At 848° C the ternary liquid field intersects the FeS-PbS join. Diagrams are presented to illustrate changes in phase relations from 700° to 1,115° C. The experimental results demonstrate that mixtures of galena (about 70 wt. percent) and pyrite (about 30 wt. percent) can crystallize directly from a liquid at 716° C. Additional components may lower this temperature so that it appears possible that pyrite-galena ores may melt at temperatures below 700° C when exposed to thermal metamorphism.
","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.62.3.354","usgsCitation":"Bret, R., and Kullerud, G., 1967, The Fe-Pb-S system: Economic Geology, v. 52, no. 3, p. 354-369, https://doi.org/10.2113/gsecongeo.62.3.354.","productDescription":"16 p.","startPage":"354","endPage":"369","costCenters":[],"links":[{"id":386354,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"52","issue":"3","noUsgsAuthors":false,"publicationDate":"1967-05-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Bret, R.","contributorId":260107,"corporation":false,"usgs":false,"family":"Bret","given":"R.","email":"","affiliations":[],"preferred":false,"id":817283,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kullerud, G.","contributorId":236899,"corporation":false,"usgs":false,"family":"Kullerud","given":"G.","email":"","affiliations":[],"preferred":false,"id":817284,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70210840,"text":"70210840 - 1967 - Sulfides associated with the Salton Sea geothermal brine","interactions":[],"lastModifiedDate":"2020-06-29T15:31:02.975267","indexId":"70210840","displayToPublicDate":"1967-05-01T10:26:10","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Sulfides associated with the Salton Sea geothermal brine","docAbstract":"Concentrated saline brine tapped by a deep well drilled for geothermal power near the Salton Sea, California, deposited metal-rich siliceous scale at the rate of 2 to 3 tons per month. The iron-rich opaline scale contains an average of 20% Cu and up to 6% Ag present in bornite, digenite, chalcopyrite, a new dense polymorph of chalcocite, stromeyerite, and native silver.The brines are in equilibrium with an assemblage of sulfide minerals in the reservoir rocks. Sphalerite containing 16.6 mol % FeS is in equilibrium with the brine in which the activity of sulfur (a (sub s 2 ) ) is estimated at 10 (super -10.2) at 325 degrees C. This is in good agreement with the projected high-temperature data of Barton and Toulmin (2) for the system Fe-Zn-S. Other sulfides identified in the reservoir rocks are pyrite, pyrrhotite, chalcopyrite, and galena.The heavy metals in solution are apparently derived from the sediments of the brine reservoir, being released from the silicate minerals in which they occur in trace amounts, as metamorphism of the sediment proceeds. Although the total of the heavy metals in solution greatly exceeds the sulfur, on a molal basis, the brine is saturated with respect to sulfide components and addition of more sulfide ion would only cause precipitation of sulfides.
","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.62.3.316","usgsCitation":"Skinner, B.J., White, D.E., Rose, H., and Mays, R.E., 1967, Sulfides associated with the Salton Sea geothermal brine: Economic Geology, v. 62, no. 3, p. 316-330, https://doi.org/10.2113/gsecongeo.62.3.316.","productDescription":"15 p.","startPage":"316","endPage":"330","costCenters":[],"links":[{"id":375975,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Salton Sea","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -115.57342529296875,\n 33.20422235093439\n ],\n [\n -115.61187744140624,\n 33.32364354794104\n ],\n [\n -115.68740844726561,\n 33.35920864732515\n ],\n [\n -115.76156616210938,\n 33.36953127791294\n ],\n [\n -115.95657348632814,\n 33.53796074078274\n ],\n [\n -116.05957031249999,\n 33.535671379525525\n ],\n [\n -116.10763549804686,\n 33.49674296343326\n ],\n [\n -116.05957031249999,\n 33.41883360541482\n ],\n [\n -116.01425170898436,\n 33.3442960191357\n ],\n [\n -115.92361450195311,\n 33.30069061612908\n ],\n [\n -115.88104248046875,\n 33.25936011503665\n ],\n [\n -115.83572387695312,\n 33.167444534375925\n ],\n [\n -115.79177856445312,\n 33.12490094278685\n ],\n [\n -115.72860717773438,\n 33.078884672628604\n ],\n [\n -115.66543579101562,\n 33.10304621868762\n ],\n [\n -115.57342529296875,\n 33.20422235093439\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"62","issue":"3","noUsgsAuthors":false,"publicationDate":"1967-05-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Skinner, Brian J.","contributorId":75371,"corporation":false,"usgs":true,"family":"Skinner","given":"Brian","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":791688,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"White, Donald E.","contributorId":76787,"corporation":false,"usgs":true,"family":"White","given":"Donald","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":791689,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rose, Harry J.","contributorId":225579,"corporation":false,"usgs":false,"family":"Rose","given":"Harry J.","affiliations":[],"preferred":false,"id":791690,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mays, Robert E.","contributorId":43788,"corporation":false,"usgs":true,"family":"Mays","given":"Robert","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":791691,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70208390,"text":"70208390 - 1967 - Standards for water quality","interactions":[],"lastModifiedDate":"2020-02-06T15:32:41","indexId":"70208390","displayToPublicDate":"1967-04-30T15:29:42","publicationYear":"1967","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Standards for water quality","docAbstract":"The quality which is necessary depends on the use to which the water will be put. Because uses vary, so also must quality standards. Maintaining any level of quality presents a problem of cost and depends on variations in natural water characteristics, in time and space, and variations in volume and types of wastes. For quality standards appropriate to a given water body, hydrologic network data can provide duration curves of flow, concentrations of dissolved oxygen, dissolved solids, including nutrients (nitrates and phosphates), turbidity, temperature, and other significant chemical, physical, and biological parameters. Standards can then be expressed as occurrences in percentage of time or with respect to flow.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"World petroleum congress proceedings","largerWorkSubtype":{"id":12,"text":"Conference publication"},"conferenceTitle":"World Petroleum Congress","conferenceDate":"Apr 2-9, 1967","conferenceLocation":"Mexico City, Mexico","language":"English","publisher":"Curran Associates","usgsCitation":"Leopold, L., 1967, Standards for water quality, in World petroleum congress proceedings, v. 1967, Mexico City, Mexico, Apr 2-9, 1967, p. 271-275.","productDescription":"5 p.","startPage":"271","endPage":"275","costCenters":[],"links":[{"id":372126,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"1967","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Leopold, Luna B.","contributorId":46582,"corporation":false,"usgs":true,"family":"Leopold","given":"Luna B.","affiliations":[],"preferred":false,"id":781699,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70010517,"text":"70010517 - 1967 - Rapid methods of determining cooling rates of iron and stony iron meteorites","interactions":[],"lastModifiedDate":"2026-02-09T16:37:39.538642","indexId":"70010517","displayToPublicDate":"1967-04-07T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Rapid methods of determining cooling rates of iron and stony iron meteorites","docAbstract":"Two rapid and simple methods have been developed for determining the approximate cooling rates of iron and stony-iron meteorites in which kamacite formed by diffusion-controlled growth along planar fronts. The first method requires only measurements of the mean kamacite bandwidth and the bulk nickel content. The second method requires the determination of the nickel composition near the taenite-kamacite interface with an electron microprobe.","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.156.3771.59","issn":"00368075","usgsCitation":"Short, J., and Goldstein, J., 1967, Rapid methods of determining cooling rates of iron and stony iron meteorites: Science, v. 156, no. 3771, p. 59-61, https://doi.org/10.1126/science.156.3771.59.","productDescription":"3 p.","startPage":"59","endPage":"61","costCenters":[],"links":[{"id":219535,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"156","issue":"3771","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a94f1e4b0c8380cd816f7","contributors":{"authors":[{"text":"Short, J.M.","contributorId":104215,"corporation":false,"usgs":true,"family":"Short","given":"J.M.","email":"","affiliations":[],"preferred":false,"id":359099,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goldstein, J.I.","contributorId":6997,"corporation":false,"usgs":true,"family":"Goldstein","given":"J.I.","email":"","affiliations":[],"preferred":false,"id":359098,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":1001577,"text":"1001577 - 1967 - Insecticide residues in big game mammals of South Dakota","interactions":[],"lastModifiedDate":"2025-02-12T16:02:06.336799","indexId":"1001577","displayToPublicDate":"1967-04-03T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Insecticide residues in big game mammals of South Dakota","docAbstract":"An analysis was made of eight insecticide residues in the renal fat tissue of 23 white-tailed deer (Odocoileus virginianus), 13 mule deer (O. hemionus), 9 pronghorns (Antilocapra americana), and 2 elk (Cervus canadensis) collected in South Dakota during the fall of 1964. Identification and quantitative analysis of the insecticide residues were accomplished by thin-layer and gas-liquid chromatography. Eighty-five percent of the samples had residues of DDT with an average of 0.13 ppm. DDD residues were found in 11 percent of the samples, DDE in 38 percent, dieldrin in 38 percent, and lindane in 15 percent, with an average of 0.07, 0.04, 0.03, and 0.04 ppm, respectively. Heptachlor, heptachlor epoxide, and aldrin were not detected in concentrations above the limits of the experiment set by the investigators.
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Dakota\",\"nation\":\"USA \"}}]}","volume":"31","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49bde4b07f02db5d074f","contributors":{"authors":[{"text":"Greenwood, Raymond J.","contributorId":174570,"corporation":false,"usgs":false,"family":"Greenwood","given":"Raymond","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":311290,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Greichus, Y.A.","contributorId":33662,"corporation":false,"usgs":true,"family":"Greichus","given":"Y.A.","email":"","affiliations":[],"preferred":false,"id":311289,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hugghins, E.J.","contributorId":78278,"corporation":false,"usgs":true,"family":"Hugghins","given":"E.J.","email":"","affiliations":[],"preferred":false,"id":311291,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":5221279,"text":"5221279 - 1967 - Relative toxicity of lead and selected substitute shot types to game farm mallards","interactions":[],"lastModifiedDate":"2025-02-12T16:07:37.010381","indexId":"5221279","displayToPublicDate":"1967-04-03T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Relative toxicity of lead and selected substitute shot types to game farm mallards","docAbstract":"The acute toxicity of lead, three types of plastic-coated lead, two lead-magnesium alloys, iron, copper, zinc-coated iron, and molybdenum-coated iron shot were tested in year-old male game farm mallards. Mallards (Anus platyrhynchos) were fed eight number 6 shot of each type and observed for a period of 60 days. Ducks used totaled 230 and most shot types were tested in three replicates of 8 ducks each. Mortality and losses of body weight were the criteria used for judging toxicity. Three types of plastic-coated lead shot were as toxic (93 percent) as the commercial lead shot (96 percent). The average mortality in mallards fed lead-magnesium alloy shot was less (58 percent) than that occurring in birds fed commercial lead shot. Mortality among mallards fed iron, copper, zinc-coated iron or molybdenum-coated iron shot was significantly less than in birds fed lead shot, and was not significantly greater than the conrtols.
","language":"English","publisher":"Wiley","doi":"10.2307/3798314","usgsCitation":"Irby, H.D., Locke, L.N., and Bagley, G.E., 1967, Relative toxicity of lead and selected substitute shot types to game farm mallards: Journal of Wildlife Management, v. 31, no. 2, p. 253-257, https://doi.org/10.2307/3798314.","productDescription":"5 p.","startPage":"253","endPage":"257","costCenters":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":194061,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.er.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maryland, Pennsylvania","otherGeospatial":"Patuxent Wildlife Research Center, Remington Farms, Rolling Rocks Game 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\"}}]}","volume":"31","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a5fe4b07f02db63449d","contributors":{"authors":[{"text":"Irby, Harold D.","contributorId":140665,"corporation":false,"usgs":false,"family":"Irby","given":"Harold","email":"","middleInitial":"D.","affiliations":[{"id":27442,"text":"Texas parks and Wildlife Department","active":true,"usgs":false}],"preferred":false,"id":333475,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Locke, Louis N.","contributorId":71233,"corporation":false,"usgs":true,"family":"Locke","given":"Louis","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":333473,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bagley, George E.","contributorId":46589,"corporation":false,"usgs":true,"family":"Bagley","given":"George","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":333474,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":1001416,"text":"1001416 - 1967 - Stump and tree nesting by mallards and black ducks","interactions":[],"lastModifiedDate":"2025-02-12T16:26:36.899555","indexId":"1001416","displayToPublicDate":"1967-04-03T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2508,"text":"Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Stump and tree nesting by mallards and black ducks","docAbstract":"Studies conducted 1961-65 at the Montezuma National Wildlife Refuge in New York demonstrated that mallards (Anas platyrhynchos) and black ducks (Anas rubripes) make extensive use of stumps and dead snags for nest sites. Nest densities in timbered habitats compared favorably with those in untimbered habitats. Nest success was generally higher in timbered than in untimbered areas, except for a newly flooded impoundment where nest success was poor. A simple artificial nest structure was used to increase the number of available nest sites in some of the timbered habitats. Development of stump-nesting populations of ducks may furnish a means of increasing waterfowl production in forested areas.
","language":"English","publisher":"Wiley","doi":"10.2307/3798311","usgsCitation":"Cowardin, L.M., Cummings, G., and Reed, P., 1967, Stump and tree nesting by mallards and black ducks: Journal of Wildlife Management, v. 31, no. 2, p. 229-235, https://doi.org/10.2307/3798311.","productDescription":"7 p.","startPage":"229","endPage":"235","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":487972,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2307/3798311","text":"Publisher Index Page"},{"id":129254,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"New York","otherGeospatial":"Montezuma National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -76.84477469582741,\n 43.092038474103845\n ],\n [\n -76.84477469582741,\n 42.94214802992465\n ],\n [\n -76.6614374815742,\n 42.94214802992465\n ],\n [\n -76.6614374815742,\n 43.092038474103845\n ],\n [\n -76.84477469582741,\n 43.092038474103845\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"31","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b05e4b07f02db699c59","contributors":{"authors":[{"text":"Cowardin, Lewis M.","contributorId":34574,"corporation":false,"usgs":true,"family":"Cowardin","given":"Lewis","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":311004,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Cummings, G.E.","contributorId":69926,"corporation":false,"usgs":true,"family":"Cummings","given":"G.E.","email":"","affiliations":[],"preferred":false,"id":311002,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Reed, P.B. Jr.","contributorId":87892,"corporation":false,"usgs":true,"family":"Reed","given":"P.B.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":311003,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70221310,"text":"70221310 - 1967 - Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water","interactions":[],"lastModifiedDate":"2021-06-09T17:49:06.328407","indexId":"70221310","displayToPublicDate":"1967-04-01T12:45:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3825,"text":"Groundwater","active":true,"publicationSubtype":{"id":10}},"title":"Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water","docAbstract":"The Geological Survey has been the foremost agency in the investigation of ground‐water resources in the United States beginning about 1910. Most of the basic principles of modern ground‐water hydrology were developed in the Survey's program of cooperative investigations. Use of ground water in the United States in 1960 was about 17½ percent of all water uses, excluding water power. The use will probably increase, though at a decreasing rate. Although amount of use may level off, the need to know about it will not. While coordinating its activities with those of the Office of Water Data Coordination and the Office of Water Resources Research, the Survey expects to step up its work in all three areas of data collection, investigations, and research. However, there will be changes of emphasis. Collection of raw data will tend to stress key observation points, and more and more observation of temperature and quality, including contaminants. Investigations will be aimed at upgrading reconnaissance coverage to general coverage for most of the Nation. The areal basis will be stream drainage basins and special hydrologic terranes, rather than political units. There will be an increase in the preparation of analog models for representative ground‐water systems. In research, the problem‐oriented basis will continue. Stress will be on basic principles that pertain to artificial recharge, and the natural recharge and discharge of ground‐water reservoirs; and also on the application of geologic principles on a regional scale. These are critical elements in the management of surface‐water and ground‐water resources conjunctively in river basins.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1745-6584.1967.tb01244.x","usgsCitation":"Upson, J., 1967, Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water: Groundwater, v. 5, no. 2, p. 13-19, https://doi.org/10.1111/j.1745-6584.1967.tb01244.x.","productDescription":"7 p.","startPage":"13","endPage":"19","costCenters":[],"links":[{"id":386357,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-07-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Upson, J. E.","contributorId":49342,"corporation":false,"usgs":true,"family":"Upson","given":"J. E.","affiliations":[],"preferred":false,"id":817287,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70221311,"text":"70221311 - 1967 - Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water","interactions":[],"lastModifiedDate":"2021-06-11T11:51:46.396788","indexId":"70221311","displayToPublicDate":"1967-04-01T12:45:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3825,"text":"Groundwater","active":true,"publicationSubtype":{"id":10}},"title":"Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water","docAbstract":"The Geological Survey has been the foremost agency in the investigation of ground‐water resources in the United States beginning about 1910. Most of the basic principles of modern ground‐water hydrology were developed in the Survey's program of cooperative investigations. Use of ground water in the United States in 1960 was about 17½ percent of all water uses, excluding water power. The use will probably increase, though at a decreasing rate. Although amount of use may level off, the need to know about it will not. While coordinating its activities with those of the Office of Water Data Coordination and the Office of Water Resources Research, the Survey expects to step up its work in all three areas of data collection, investigations, and research. However, there will be changes of emphasis. Collection of raw data will tend to stress key observation points, and more and more observation of temperature and quality, including contaminants. Investigations will be aimed at upgrading reconnaissance coverage to general coverage for most of the Nation. The areal basis will be stream drainage basins and special hydrologic terranes, rather than political units. There will be an increase in the preparation of analog models for representative ground‐water systems. In research, the problem‐oriented basis will continue. Stress will be on basic principles that pertain to artificial recharge, and the natural recharge and discharge of ground‐water reservoirs; and also on the application of geologic principles on a regional scale. These are critical elements in the management of surface‐water and ground‐water resources conjunctively in river basins.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1745-6584.1967.tb01244.x","usgsCitation":"Upson, J., 1967, Plans of the U.S.Geological Survey, water resources division for research, investigations, and data collection in ground water: Groundwater, v. 5, no. 2, p. 13-19, https://doi.org/10.1111/j.1745-6584.1967.tb01244.x.","productDescription":"7 p.","startPage":"13","endPage":"19","costCenters":[],"links":[{"id":386408,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-07-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Upson, J. E.","contributorId":49342,"corporation":false,"usgs":true,"family":"Upson","given":"J. E.","affiliations":[],"preferred":false,"id":817408,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70209344,"text":"70209344 - 1967 - Post-paleozoic radiometric ages and their relevance to fault movements, Northern Southeastern Alaska","interactions":[],"lastModifiedDate":"2020-04-01T12:13:03","indexId":"70209344","displayToPublicDate":"1967-04-01T12:02:43","publicationYear":"1967","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":"Post-paleozoic radiometric ages and their relevance to fault movements, Northern Southeastern Alaska","docAbstract":"Recently determined lead-alpha and potassium-argon ages from northern southeastern Alaska indicate major plutonic events in the Paleozoic, Mesozoic, and Tertiary; in contrast, previous studies suggested that only one complex Jurassic and Cretaceous event occurred. The ages presented in this paper indicate the following Mesozoic and Tertiary plutonic events: Middle or Late Jurassic (144–164 m.y.); Early Cretaceous (103–117 m.y.); Eocene (42–48 m.y.); and Oligocene to Miocene (24–31 m.y.). The present data show no distinctive a real pattern for the Mesozoic plutons, but those of known Tertiary age are restricted to Baranof and Kruzof islands, a distribution that suggests a belt of Tertiary plutonism along the margin of the Pacific Ocean.
Stratigraphic evidence and radiometric ages indicate that Baranof Island and possibly Chichagof Island have been uplifted several kilometers since Miocene time, whereas Admiralty Island to the east appears to have been relatively stable since Paleocene time. This movement apparently took place on the north-striking Chatham Strait fault, which separates the islands, and probably also had a large right-lateral component. Northwest-striking faults in Chichagof and Baranof islands were probably active during at least part of the movement on the Chatham Strait fault. Movement on one of the northwest-striking faults, the Patterson Bay fault of Baranof Island, took place some time between the Eocene and the Miocene and produced a 5-km, right-lateral separation.
The inferred uplift of Baranof Island relative to Admiralty Island is based on the present-day exposure on Baranof Island of mesozonal Tertiary plutons, which were probably intruded at a depth of several kilometers, contrasted with the present-day exposure on Admiralty Island of continental sedimentary and volcanic rocks that were being deposited near sea level during the Tertiary. The uplift of the Baranof Island plutons to the surface in post-Miocene time contrasts sharply with the stable or weakly negative tectonic conditions that have prevailed on Admiralty Island since the Paleocene.
","language":"English","publisher":"GSA","doi":"10.1130/0016-7606(1967)78[511:PRAATR]2.0.CO;2","usgsCitation":"Loney, R.A., Brew, D.A., and Lanphere, M.A., 1967, Post-paleozoic radiometric ages and their relevance to fault movements, Northern Southeastern Alaska: GSA Bulletin, v. 78, no. 4, p. 511-526, https://doi.org/10.1130/0016-7606(1967)78[511:PRAATR]2.0.CO;2.","productDescription":"16 p.","startPage":"511","endPage":"526","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":373712,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Northern Southeastern Alaska","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -136.7138671875,\n 54.09806018306312\n ],\n [\n -131.94580078125,\n 54.09806018306312\n ],\n [\n -131.94580078125,\n 58.297944045474146\n ],\n [\n -136.7138671875,\n 58.297944045474146\n ],\n [\n -136.7138671875,\n 54.09806018306312\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"78","issue":"4","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Loney, R. A.","contributorId":90757,"corporation":false,"usgs":true,"family":"Loney","given":"R.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":786217,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brew, David A. dbrew@usgs.gov","contributorId":3244,"corporation":false,"usgs":true,"family":"Brew","given":"David","email":"dbrew@usgs.gov","middleInitial":"A.","affiliations":[],"preferred":true,"id":786218,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"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":786219,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70221352,"text":"70221352 - 1967 - The cone of depression and its use in solving water problems","interactions":[],"lastModifiedDate":"2021-06-11T12:55:49.318001","indexId":"70221352","displayToPublicDate":"1967-04-01T07:51:58","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3825,"text":"Groundwater","active":true,"publicationSubtype":{"id":10}},"title":"The cone of depression and its use in solving water problems","docAbstract":"No abstract available.
","language":"English","publisher":"NGWA The Groundwater Association","doi":"10.1111/j.1745-6584.1967.tb01242.x","usgsCitation":"Schaefer, E.J., 1967, The cone of depression and its use in solving water problems: Groundwater, v. 5, no. 2, p. 2-4, https://doi.org/10.1111/j.1745-6584.1967.tb01242.x.","productDescription":"3 p.","startPage":"2","endPage":"4","costCenters":[],"links":[{"id":480345,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/j.1745-6584.1967.tb01242.x","text":"Publisher Index Page"},{"id":386414,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"5","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-07-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Schaefer, Edward J.","contributorId":260170,"corporation":false,"usgs":false,"family":"Schaefer","given":"Edward","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":817411,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1003270,"text":"1003270 - 1967 - A powered spreader for antimycin","interactions":[],"lastModifiedDate":"2025-08-04T15:21:55.284733","indexId":"1003270","displayToPublicDate":"1967-04-01T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3196,"text":"Progressive Fish-Culturist","active":true,"publicationSubtype":{"id":10}},"title":"A powered spreader for antimycin","docAbstract":"No abstract available.
","language":"English","publisher":"American Fisheries Society","doi":"10.1577/1548-8640(1967)29[110:APSFA]2.0.CO;2","usgsCitation":"Lennon, R.E., Berger, B., and Gilderhus, P., 1967, A powered spreader for antimycin: Progressive Fish-Culturist, v. 29, no. 2, p. 110-113, https://doi.org/10.1577/1548-8640(1967)29[110:APSFA]2.0.CO;2.","productDescription":"4 p.","startPage":"110","endPage":"113","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":131432,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1fe4b07f02db6ab741","contributors":{"authors":[{"text":"Lennon, Robert E.","contributorId":14341,"corporation":false,"usgs":true,"family":"Lennon","given":"Robert","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":313047,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Berger, B.L.","contributorId":81437,"corporation":false,"usgs":true,"family":"Berger","given":"B.L.","email":"","affiliations":[],"preferred":false,"id":313049,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gilderhus, P.A.","contributorId":60156,"corporation":false,"usgs":true,"family":"Gilderhus","given":"P.A.","affiliations":[],"preferred":false,"id":313048,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70196181,"text":"70196181 - 1967 - Artificial Recharge at Valley City, North Dakota, 1932 to 1965","interactions":[],"lastModifiedDate":"2018-03-22T14:07:24","indexId":"70196181","displayToPublicDate":"1967-04-01T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3825,"text":"Groundwater","active":true,"publicationSubtype":{"id":10}},"title":"Artificial Recharge at Valley City, North Dakota, 1932 to 1965","docAbstract":"Valley City, North Dakota, has an average daily water use of 750,000 gallons, which is obtained from wells tapping pattly confined gravel deposits in the Sheyenne River valley. These deposits at Valley City have a maximum thickness of more than 50 feet and an areal extent of approximately 1 square mile. The aquifer has been artificially recharged successfully since 1932 by diversion of water from the Sheyenne River to an abandoned gravel pit. During this time the piezometric surface in the aquifer has been raised more than 22 feet.
Prior to 1958, the recharge system was operated from January until June; however, when the piezometric surface rose to within about 8 feet of the surface, the recharge operation was discontinued. Between June and January the piezometric surface declined as ground water was withdrawn. During the recharge‐discharge cycle, the average annual fluctuation of the piezometric surface was 10 feet, amounting to a change in storage of about 1,000 acre‐feet of water. Since 1958, the recharge system has been operated throughout the year. There has been a gradual improvement in the quality of the water in the aquifer since the installation of the recharge system.
","language":"English","publisher":"Wiley","doi":"10.1111/j.1745-6584.1967.tb01245.x","usgsCitation":"Kelly, T.E., 1967, Artificial Recharge at Valley City, North Dakota, 1932 to 1965: Groundwater, v. 5, no. 2, p. 20-25, https://doi.org/10.1111/j.1745-6584.1967.tb01245.x.","productDescription":"6 p.","startPage":"20","endPage":"25","costCenters":[{"id":478,"text":"North Dakota Water Science Center","active":true,"usgs":true},{"id":34685,"text":"Dakota Water Science Center","active":true,"usgs":true}],"links":[{"id":352739,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"North Dakota","city":"Valley City","volume":"5","issue":"2","noUsgsAuthors":false,"publicationDate":"2006-07-06","publicationStatus":"PW","scienceBaseUri":"5aff5ed3e4b0da30c1bfdda9","contributors":{"authors":[{"text":"Kelly, T. E.","contributorId":63824,"corporation":false,"usgs":true,"family":"Kelly","given":"T.","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":731561,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":1003257,"text":"1003257 - 1967 - Effects of diquat on bluegills and their food organisms","interactions":[],"lastModifiedDate":"2025-08-04T15:17:27.365973","indexId":"1003257","displayToPublicDate":"1967-04-01T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3196,"text":"Progressive Fish-Culturist","active":true,"publicationSubtype":{"id":10}},"title":"Effects of diquat on bluegills and their food organisms","docAbstract":"No abstract available.
","language":"English","publisher":"American Fisheries Society","doi":"10.1577/1548-8640(1967)29[67:EODOBA]2.0.CO;2","usgsCitation":"Gilderhus, P.A., 1967, Effects of diquat on bluegills and their food organisms: Progressive Fish-Culturist, v. 29, no. 2, p. 67-74, https://doi.org/10.1577/1548-8640(1967)29[67:EODOBA]2.0.CO;2.","productDescription":"8 p.","startPage":"67","endPage":"74","costCenters":[{"id":606,"text":"Upper Midwest Environmental Sciences Center","active":true,"usgs":true}],"links":[{"id":131100,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"29","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a2fe4b07f02db615b8f","contributors":{"authors":[{"text":"Gilderhus, Philip A.","contributorId":88314,"corporation":false,"usgs":true,"family":"Gilderhus","given":"Philip","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":313033,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70010482,"text":"70010482 - 1967 - Activity coefficients of aqueous potassium chloride measured with a potassium-sensitive glass electrode","interactions":[],"lastModifiedDate":"2026-02-09T16:45:16.671432","indexId":"70010482","displayToPublicDate":"1967-03-24T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Activity coefficients of aqueous potassium chloride measured with a potassium-sensitive glass electrode","docAbstract":"Values of γ±KCl over temperature and molality ranges of 10° to 50°C and 0.01 to 1.0 molal were determined with an electromotive-force cell: potassium-sensitive glass electrode, KCl (molality), Ag-AgCl. A more satisfactory method than is commonly employed was devised for treating the experimental measurements of potential.
","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.155.3769.1537","issn":"00368075","usgsCitation":"Hostetler, P.B., Truesdell, A., and Christ, C., 1967, Activity coefficients of aqueous potassium chloride measured with a potassium-sensitive glass electrode: Science, v. 155, no. 3769, p. 1537-1539, https://doi.org/10.1126/science.155.3769.1537.","productDescription":"3 p.","startPage":"1537","endPage":"1539","costCenters":[],"links":[{"id":219237,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"155","issue":"3769","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"5059e6cee4b0c8380cd47639","contributors":{"authors":[{"text":"Hostetler, P. B.","contributorId":107849,"corporation":false,"usgs":false,"family":"Hostetler","given":"P.","email":"","middleInitial":"B.","affiliations":[{"id":13719,"text":"Department of Geology, University of Missouri","active":true,"usgs":false}],"preferred":false,"id":359024,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Truesdell, A.H.","contributorId":52566,"corporation":false,"usgs":false,"family":"Truesdell","given":"A.H.","email":"","affiliations":[{"id":6672,"text":"former: USGS Southwest Biological Science Center, Colorado Plateau Research Station, Flagstaff, AZ. Current address: TN-SCORE, Univ of Tennessee, Knoxville, TN, e-mail: jennen@gmail.com","active":true,"usgs":false}],"preferred":false,"id":359022,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Christ, C. L.","contributorId":53906,"corporation":false,"usgs":true,"family":"Christ","given":"C. L.","affiliations":[],"preferred":false,"id":359023,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":16415,"text":"ofr890 - 1967 - Mineral appraisal of the Harney Lake and Malheur Lake candidate areas of the Malheur National Wildlife Refuge, north-central Harney County, Oregon","interactions":[],"lastModifiedDate":"2024-09-17T17:04:51.952081","indexId":"ofr890","displayToPublicDate":"1967-03-01T17:03:08","publicationYear":"1967","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":330,"text":"Open-File Report","code":"OFR","onlineIssn":"2331-1258","printIssn":"0196-1497","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"890","title":"Mineral appraisal of the Harney Lake and Malheur Lake candidate areas of the Malheur National Wildlife Refuge, north-central Harney County, Oregon","docAbstract":"The Harney Lake and Malheur Lake candidate areas are in the Malheur National Wildlife Refuge, north-central Harney County, Oreg. The two areas occupy the shallow center of the Harney Basin, a broad structural and physiographic depression filled by several varieties of silicic to mafic volcanic rocks, sedimentary rocks, and unconsolidated surficial deposits. Although some of the rocks in the Harney Basin are of Miocene age, all the rock in the two candidate areas are of Pliocene or younger age. Northwest-trending normal faults form prominent scarps in and near the two areas.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr890","usgsCitation":"Walker, G.W., and Swanson, D., 1967, Mineral appraisal of the Harney Lake and Malheur Lake candidate areas of the Malheur National Wildlife Refuge, north-central Harney County, Oregon: U.S. Geological Survey Open-File Report 890, i, 29 p., https://doi.org/10.3133/ofr890.","productDescription":"i, 29 p.","costCenters":[],"links":[{"id":434863,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/0890/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":416590,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/0890/report-thumb.jpg"}],"country":"United States","state":"Oregon","county":"Harney County","otherGeospatial":"Harney Lake, Malheur Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -119.2991689256947,\n 43.385\n ],\n [\n -119.2991689256947,\n 43.174348978878726\n ],\n [\n -118.63534911406819,\n 43.174348978878726\n ],\n [\n -118.63534911406819,\n 43.385\n ],\n [\n -119.2991689256947,\n 43.385\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Walker, George Walton","contributorId":14801,"corporation":false,"usgs":true,"family":"Walker","given":"George","email":"","middleInitial":"Walton","affiliations":[],"preferred":false,"id":510893,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swanson, Donald donswan@usgs.gov","contributorId":140000,"corporation":false,"usgs":true,"family":"Swanson","given":"Donald","email":"donswan@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":false,"id":871254,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70210844,"text":"70210844 - 1967 - Aurorite, argentian todorokite, and hydrous silver-bearing lead manganese oxide","interactions":[],"lastModifiedDate":"2020-06-29T15:58:26.090754","indexId":"70210844","displayToPublicDate":"1967-03-01T10:42:47","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"Aurorite, argentian todorokite, and hydrous silver-bearing lead manganese oxide","docAbstract":"During a study of hypogene manganese minerals, three silver-bearing manganese oxides were identified in \"black calcite\" associated with silver ores at the Aurora mine (Treasure Hill), Hamilton, Nevada. Specifically these are: (1) argentian chalcophanite (aurorite) (Ag 2 Ba,Ca,Pb,-K 2 ,Cu,Mn (super +2) )Mn 3 (super +4) O 7 . 3H 2 O; (2) argentian todorokite (Ag 2 ,K 2 ,Ca,Ba,-Na 2 ,Cu,Pb)Mn 4 (super +4) O 9 . 5H 2 O; and (3) hydrous silver-bearing lead manganese oxide (Pb,Cu,Ba,Sb,Ag 2 ,Ca,K 2 )Mn 5 (super +4) O 11 . 5H 2 O. Based on the large concentration of silver in argentian chalcophanite (7.50% Ag 2 O) and the low zinc content (0.25% ZnO) this mineral is recognized as a new species and named \"aurorite.\"Physical and optical properties, and chemical analyses of the three minerals are presented together with X-ray powder diffraction data for aurorite and argentian todorokite. All chemical analyses were done with the electron microprobe analyzer. Due to extremely small particle size and textural relations, no X-ray powder data were obtained for the hydrous silver-bearing lead manganese oxide. Associated minerals include cryptomelane, pyrolusite, birnessite(?), cerargyrite, native silver, quartz, and manganoan calcite. Although the general uniform dark color of the \"black calcite\" and apparent uniform distribution of the inclusions suggests contemporaneous formation, examination of polished sections at high magnifications shows a definite paragenetic sequence. Manganoan calcite is replaced by fine-grained intergrowths of cryptomelane, pyrolusite, birnessite(?), and cerargyrite. Native silver formed early and the silver-bearing manganese oxides formed late in the sequence; aurorite fills microfractures that cut through all other minerals.These three silver-bearing manganese oxides were recognized only at the Aurora mine, Hamilton, Nevada, although black calcite veins were studied from numerous areas in the western United States. The geologic features of silver-bearing black calcites are described by Hewett and Radtke in the preceding paper.
","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.62.2.186","usgsCitation":"Radtke, A.S., Taylor, C.M., and Hewett, D.F., 1967, Aurorite, argentian todorokite, and hydrous silver-bearing lead manganese oxide: Economic Geology, v. 62, no. 2, p. 186-206, https://doi.org/10.2113/gsecongeo.62.2.186.","productDescription":"21 p.","startPage":"186","endPage":"206","costCenters":[],"links":[{"id":375980,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","city":"Hamilton","otherGeospatial":"Aurora mine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -115.56312561035155,\n 39.11621020143469\n ],\n [\n -115.39695739746094,\n 39.11621020143469\n ],\n [\n -115.39695739746094,\n 39.26973980020846\n ],\n [\n -115.56312561035155,\n 39.26973980020846\n ],\n [\n -115.56312561035155,\n 39.11621020143469\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"62","issue":"2","noUsgsAuthors":false,"publicationDate":"1967-03-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Radtke, Arthur S.","contributorId":63795,"corporation":false,"usgs":true,"family":"Radtke","given":"Arthur","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":791696,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Taylor, Charles M.","contributorId":150037,"corporation":false,"usgs":false,"family":"Taylor","given":"Charles","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":791697,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hewett, D. F.","contributorId":19927,"corporation":false,"usgs":true,"family":"Hewett","given":"D.","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":791698,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70210842,"text":"70210842 - 1967 - The porphyry copper deposit exposed in the Liberty open-pit mine near Ely, Nevada; Part 2, The formation of hydrothermal alteration zones","interactions":[],"lastModifiedDate":"2020-06-29T15:40:27.988544","indexId":"70210842","displayToPublicDate":"1967-03-01T10:37:05","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1472,"text":"Economic Geology","active":true,"publicationSubtype":{"id":10}},"title":"The porphyry copper deposit exposed in the Liberty open-pit mine near Ely, Nevada; Part 2, The formation of hydrothermal alteration zones","docAbstract":"In the southwest part of the Liberty pit a large porphyry body exhibits a zonal alteration pattern related to fissures and pyrite-bearing veins. The outermost zone contains unaltered K-feldspar, kaolinite after plagioclase, and black biotite after hornblende. An intermediate zone contains reconstituted K-feldspar, phlogopitic biotite, and muscovite or muscovite plus K-feldspar replacing only plagioclase. In the innermost zone the only silicates are quartz and muscovite. In some places an alteration band of K-feldspar after plagioclase separates kaolinite and muscovite.The widespread association of kaolinite and K-feldspar in hydrothermal alteration zones suggests that these two minerals were stable together at the time of formation. Experimental data show that, where quartz controls the activity of silica in solution, kaolinite and K-feldspar should react to form muscovite. However, calculations predict that, at 15,000 psi, solutions with silica activities compatible with amorphous or gelatinous silica could stabilize K-feldspar and kaolinite relative to muscovite at temperatures below about 250 degrees C. The rapid decomposition either of plagioclase feldspar or montmorillonite is considered a prime cause for the attainment of such high activities of silica in pore solutions of rock. The supersaturation of pore solutions with silica is a transient condition; quartz precipitates where kaolinite and K-feldspar react to give muscovite. Thus, the zonally distributed alteration at Ely is considered to have taken place after the rock had cooled to below 250 degrees C. In contrast, the diffusely distributed muscovite and montmorillonite found in another portion of the pit probably commenced at 600 degrees to 700 degrees C with only minor formation of alteration products below 250 degrees C.
","language":"English","publisher":"Society of Economic Geologists","doi":"10.2113/gsecongeo.62.2.207","usgsCitation":"Fournier, R.O., 1967, The porphyry copper deposit exposed in the Liberty open-pit mine near Ely, Nevada; Part 2, The formation of hydrothermal alteration zones: Economic Geology, v. 62, no. 2, p. 207-227, https://doi.org/10.2113/gsecongeo.62.2.207.","productDescription":"21 p.","startPage":"207","endPage":"227","costCenters":[],"links":[{"id":375977,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","city":"Ely","otherGeospatial":"Liberty open pit mine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -115.39215087890624,\n 38.71766178810086\n ],\n [\n -114.15618896484375,\n 38.71766178810086\n ],\n [\n -114.15618896484375,\n 39.66702799810167\n ],\n [\n -115.39215087890624,\n 39.66702799810167\n ],\n [\n -115.39215087890624,\n 38.71766178810086\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"62","issue":"2","noUsgsAuthors":false,"publicationDate":"1967-03-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Fournier, Robert O.","contributorId":73202,"corporation":false,"usgs":true,"family":"Fournier","given":"Robert","email":"","middleInitial":"O.","affiliations":[],"preferred":false,"id":791692,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70011494,"text":"70011494 - 1967 - Gravity increase at the South Pole","interactions":[],"lastModifiedDate":"2026-02-09T16:50:38.59992","indexId":"70011494","displayToPublicDate":"1967-02-24T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Gravity increase at the South Pole","docAbstract":"Measurements made between December 1957 and January 1966 of the gravity difference between the McMurdo Sound pendulum station, which is on bedrock, and the South Pole station, which is on the Antarctic ice sheet, show a gravity increase at the South Pole of 0.11 milligals per year. The most likely hypothesis for the increase is that it was caused by ice flowing downslope across a gravity gradient and by the sinking of the South Pole station as a result of accumulation of ice. An alternate hypothesis that the gravity increase was caused by a decrease in ice thickness, of about 40 centimeters per year, is theoretically possible but is not supported by direct evidence.
","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.155.3765.1015","issn":"00368075","usgsCitation":"Behrendt, J.C., 1967, Gravity increase at the South Pole: Science, v. 155, no. 3765, p. 1017-1019, https://doi.org/10.1126/science.155.3765.1015.","productDescription":"3 p.","startPage":"1017","endPage":"1019","costCenters":[],"links":[{"id":221115,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"South Pole","volume":"155","issue":"3765","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a2a1ae4b0c8380cd5aec2","contributors":{"authors":[{"text":"Behrendt, John C. jbehrendt@usgs.gov","contributorId":25945,"corporation":false,"usgs":true,"family":"Behrendt","given":"John","email":"jbehrendt@usgs.gov","middleInitial":"C.","affiliations":[{"id":213,"text":"Crustal Imaging and Characterization Team","active":false,"usgs":true},{"id":218,"text":"Denver Federal Center","active":false,"usgs":true}],"preferred":false,"id":361251,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70011477,"text":"70011477 - 1967 - Rates of surficial rock creep on hillslopes in western Colorado","interactions":[],"lastModifiedDate":"2026-02-09T16:55:41.209133","indexId":"70011477","displayToPublicDate":"1967-02-03T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Rates of surficial rock creep on hillslopes in western Colorado","docAbstract":"The average rate of downslope movement of rock fragments on shale hillslopes is directly proportional to the sine of the slope angle or that component of the gravitational force which acts parallel to the hillslope. The rates of surficial rock creep range from a few millimeters per year on a 3degree slope to almost 70 millimeters per year on a 40-degree slope, but these rates vary with natural variations in soil characteristics and microclimate, as well as with accidental disturbances.
","language":"English","publisher":"American Association for the Advancement of Science","doi":"10.1126/science.155.3762.560","issn":"00368075","usgsCitation":"Schumm, S.A., 1967, Rates of surficial rock creep on hillslopes in western Colorado: Science, v. 155, no. 3762, p. 560-561, https://doi.org/10.1126/science.155.3762.560.","productDescription":"2 p.","startPage":"560","endPage":"561","costCenters":[],"links":[{"id":220775,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"western Colorado","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -109.05697409848554,\n 41.056599157607536\n ],\n [\n -109.05697409848554,\n 36.980825462861205\n ],\n [\n -104.63892225984358,\n 36.980825462861205\n ],\n [\n -104.63892225984358,\n 41.056599157607536\n ],\n [\n -109.05697409848554,\n 41.056599157607536\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"155","issue":"3762","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a9547e4b0c8380cd81901","contributors":{"authors":[{"text":"Schumm, S. A.","contributorId":71957,"corporation":false,"usgs":true,"family":"Schumm","given":"S.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":361204,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70210851,"text":"70210851 - 1967 - Belt of sigmoidal bending and right-lateral faulting in the western great basin","interactions":[],"lastModifiedDate":"2020-06-29T16:56:25.742494","indexId":"70210851","displayToPublicDate":"1967-02-01T11:53:34","publicationYear":"1967","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":"Belt of sigmoidal bending and right-lateral faulting in the western great basin","docAbstract":"Betweeen the northwest-trending Sierra Nevada and the north-northeast-trending ranges that characterize most of the Great Basin section of the Basin and Range province is a belt of confused and divergent topographic forms, which is approximately 50 miles wide and 300 miles long. Along the eastern part of this belt is a topographically low lineament called the Walker Lane.
A number of the ranges along the belt have an arcuate form which is controlled by the structure of rocks that are mainly of pre-Cretaceous age; locally, in the southern part of the belt, rocks as young as early Miocene show the arcuate form. The strike of tilted beds, fold axes, and in places elongate plutons, parallels the trend of the arcuate ranges, herein called “oroflexes”—defined as mountain ranges with arcuate trends that result from tectonic bending of the crust.
The gross structural pattern of pre-middle Miocene rocks along the belt is a series of sigmoidal bends that suggest gigantic dextral drag. The sigmoidal bends define the oroflexes, facies boundaries, and structural trend lines. These features are cut in places by at least three, and probably five, major northwest-trending faults having right-lateral separations of many miles. Along the strike, the two largest faults seem to die out and the movement is believed to be taken up by bending.
The indicated total horizontal displacement by bending and faulting along the belt is 80–120 miles, the Great Basin having moved southeastward relative to the Sierra Nevada. This movement is most likely restricted to the crust, which at some depth is thought to have moved freely over deeper material —either a deeper segment of the crust or the mantle.
Available evidence permits the interpretation that the deformation began possibly as early as late Early Jurassic and that the same movement pattern has prevailed ever since. The bending and major strike-slip faulting must have been completed by early or middle Miocene time but much of it may have taken place as long ago as the Jurassic. More recent movements have been restricted to faulting.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/0016-7606(1967)78[143:BOSBAR]2.0.CO;2","usgsCitation":"Albers, J., 1967, Belt of sigmoidal bending and right-lateral faulting in the western great basin: GSA Bulletin, v. 78, no. 2, p. 143-156, https://doi.org/10.1130/0016-7606(1967)78[143:BOSBAR]2.0.CO;2.","productDescription":"14 p.","startPage":"143","endPage":"156","costCenters":[],"links":[{"id":375986,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California, Nevada","otherGeospatial":"Great Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -114.06005859375,\n 41.96765920367816\n ],\n [\n -120.05859375,\n 42.01665183556825\n ],\n [\n -120.05859375,\n 39.095962936305476\n ],\n [\n -118.16894531249999,\n 37.64903402157866\n ],\n [\n -117.8173828125,\n 35.06597313798418\n ],\n [\n -114.60937499999999,\n 34.939985151560435\n ],\n [\n -114.71923828124999,\n 36.08462129606931\n ],\n [\n -114.12597656249999,\n 36.10237644873644\n ],\n [\n -114.06005859375,\n 41.96765920367816\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"78","issue":"2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Albers, John P.","contributorId":55291,"corporation":false,"usgs":true,"family":"Albers","given":"John P.","affiliations":[],"preferred":false,"id":791707,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70207927,"text":"70207927 - 1967 - The role of olivine in the crystallization of the prehistoric Makaopuhi tholeiitic lava lake, Hawaii","interactions":[],"lastModifiedDate":"2020-01-20T13:20:18","indexId":"70207927","displayToPublicDate":"1967-01-20T13:07:15","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1336,"text":"Contributions to Mineralogy and Petrology","active":true,"publicationSubtype":{"id":10}},"title":"The role of olivine in the crystallization of the prehistoric Makaopuhi tholeiitic lava lake, Hawaii","docAbstract":"On eruption, the tholeiitic basalt lava of the prehistoric Makaopuhi lake contained nearly seven percent euhedral olivine phenocrysts of approximately Fa14 composition. In the center of the 225 foot vertical section of the lake, the lava became more than 90 percent solid at 1000° C after about 30 years. At the surface the lava was quenched to air temperature, whereas, at the bottom, quenching to 800° C was followed by a 40 year period before the temperature reached 700° C. The olivine phenocrysts settled at an average rate of about 4 × 10−6 cm Sec−1 to form a zone that contains 21 percent olivine 75 feet above the base. Sinking of olivines continued until some time after the beginning of the crystallization of augite and plagioclase. Thin rims of iron-rich olivine (up to Fa55) surrounding the phenocrysts, and a second generation of fine-grained olivines (Fa20 Fa48) restricted to the uppermost 20 feet indicate local extensions of the period of crystallization of olivine. During crystallization of the groundmass and later subsolidus cooling in the range 1000° C to at least as low as 800° C, the olivine phenocrysts were converted to Fa30–40 by interdiffusion of Fe, Mg, Ni, and Mn. Homogenization of Mg-rich cores and Fe-rich margins and equilibration of olivine composition with the groundmass phases was progressively less well achieved toward the top of the lake. Reaction rims around the olivines are composed primarily of Ca-rich pyroxene. Pigeonite crystallized alongside augite except in the uppermost 5 feet where there is abundant ground mass olivine. Poikilitic hypersthene grew at the expense of pre-existing ferromagnesian minerals in the cumulate zone.
","language":"English","publisher":"Springer Nature","doi":"10.1007/BF01185342","usgsCitation":"Moore, J.G., and Evans, B., 1967, The role of olivine in the crystallization of the prehistoric Makaopuhi tholeiitic lava lake, Hawaii: Contributions to Mineralogy and Petrology, v. 15, p. 202-223, https://doi.org/10.1007/BF01185342.","productDescription":"22 p.","startPage":"202","endPage":"223","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":371380,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Makaopuhi Tholeiitic Lava Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -155.32333374023438,\n 19.296886457967965\n ],\n [\n -155.11871337890625,\n 19.296886457967965\n ],\n [\n -155.11871337890625,\n 19.444579339485816\n ],\n [\n -155.32333374023438,\n 19.444579339485816\n ],\n [\n -155.32333374023438,\n 19.296886457967965\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"15","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Moore, James G. 0000-0002-7543-2401 jmoore@usgs.gov","orcid":"https://orcid.org/0000-0002-7543-2401","contributorId":2892,"corporation":false,"usgs":true,"family":"Moore","given":"James","email":"jmoore@usgs.gov","middleInitial":"G.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":779790,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Evans, B.W.","contributorId":86896,"corporation":false,"usgs":true,"family":"Evans","given":"B.W.","email":"","affiliations":[],"preferred":false,"id":779791,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70010513,"text":"70010513 - 1967 - Elephant teeth from the Atlantic Continental Shelf","interactions":[],"lastModifiedDate":"2026-02-09T16:11:11.343535","indexId":"70010513","displayToPublicDate":"1967-01-16T00:00:00","publicationYear":"1967","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3338,"text":"Science","active":true,"publicationSubtype":{"id":10}},"title":"Elephant teeth from the Atlantic Continental Shelf","docAbstract":"Teeth of mastodons and mastodons have been recovered by fishermen from at least 40 sites on the continental shelf as deep as 120 meters. Also present are submerged shorelines, peat deposits, lagoonal shells, and relict sands. Evidently elephants and other large mammals ranged this region during the glacial stage of low sea level of the last 25.000 years.","language":"English","publisher":"AAAS","doi":"10.1126/science.156.3781.1477","issn":"00368075","usgsCitation":"Whitmore, F., Emery, K., Cooke, H., and Swift, D., 1967, Elephant teeth from the Atlantic Continental Shelf: Science, v. 156, no. 3781, p. 1477-1481, https://doi.org/10.1126/science.156.3781.1477.","productDescription":"5 p.","startPage":"1477","endPage":"1481","costCenters":[],"links":[{"id":499680,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"156","issue":"3781","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a08c3e4b0c8380cd51c6f","contributors":{"authors":[{"text":"Whitmore, F.C. Jr.","contributorId":16895,"corporation":false,"usgs":true,"family":"Whitmore","given":"F.C.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":359088,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Emery, K.O.","contributorId":67865,"corporation":false,"usgs":true,"family":"Emery","given":"K.O.","email":"","affiliations":[],"preferred":false,"id":359091,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cooke, H.B.S.","contributorId":29568,"corporation":false,"usgs":false,"family":"Cooke","given":"H.B.S.","affiliations":[],"preferred":false,"id":359090,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Swift, D.J.P.","contributorId":18505,"corporation":false,"usgs":true,"family":"Swift","given":"D.J.P.","email":"","affiliations":[],"preferred":false,"id":359089,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70047453,"text":"70047453 - 1967 - Temperature and water-quality conditions for the period July 1963 to December 1965, Patuxent River Estuary, Maryland","interactions":[],"lastModifiedDate":"2013-09-19T13:13:44","indexId":"70047453","displayToPublicDate":"1967-01-06T13:00:00","publicationYear":"1967","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":"Temperature and water-quality conditions for the period July 1963 to December 1965, Patuxent River Estuary, Maryland","docAbstract":"Graphs and tables obtained from continuous records of surface-water temperature from five stations for the period july 1963 through December 1965 and of surface, salinity, dissolved oxygen, turbidity, tide-stage, wind data and bottom temperature from a single station are presented herein. Effects of powerplant cooling water on water temperature were obvious at a station near the plant's discharge point. Surface-water density at the Patuxent River Bridge varied from 1.0033 to 1.0127 with least change during the period May to September. Salinity ranged from 3 to 16.5 parts per thousand. Average salinity in the spring of 1965 was double that of spring 1964. Turbidity was high during the winter, and peak values were obtained during prolonged periods of high wind velocities. Dissolved oxygen values ranged from 386 to 15.0 parts per million, and percentage saturation of oxygen from 49 to 144 percent. The extreme tidal range was 5.7 feet; mean water levels were highest in summer and lowest in winter and spring.","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Washington, DC","doi":"10.3133/70047453","usgsCitation":"Cory, R.L., and Nauman, J.W., 1967, Temperature and water-quality conditions for the period July 1963 to December 1965, Patuxent River Estuary, Maryland: Open-File Report, 72 p., https://doi.org/10.3133/70047453.","productDescription":"72 p.","numberOfPages":"83","costCenters":[],"links":[{"id":277876,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/unnumbered/70047453/report.pdf"},{"id":276130,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/unnumbered/70047453/report-thumb.jpg"}],"country":"United States","state":"Maryl","otherGeospatial":"Patuxent River","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76.709290,38.300176 ], [ -76.709290,38.638327 ], [ -76.389313,38.638327 ], [ -76.389313,38.300176 ], [ -76.709290,38.300176 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"52021ae9e4b0e21cafa49c97","contributors":{"authors":[{"text":"Cory, Robert L.","contributorId":77967,"corporation":false,"usgs":true,"family":"Cory","given":"Robert","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":482070,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nauman, Jon W.","contributorId":56232,"corporation":false,"usgs":true,"family":"Nauman","given":"Jon","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":482069,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70039370,"text":"70039370 - 1967 - Prospecting for gold in the United States","interactions":[],"lastModifiedDate":"2012-08-04T01:01:57","indexId":"70039370","displayToPublicDate":"1967-01-02T09:46:00","publicationYear":"1967","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":362,"text":"General Information Product","active":false,"publicationSubtype":{"id":6}},"title":"Prospecting for gold in the United States","docAbstract":"Prospecting for gold is something that probably everyone dreams of trying at least once. To the person who is mainly concerned with this activity as a vacation diversion, prospecting offers a special excitement. There is a constant hope that the next pan of sediment may be \"pay dirt,\" and no other thrill can compare with that experienced when one sees even a few tiny flecks of gold glittering in the black sand at the bottom of his pan. The search itself is its own reward for the efforts expended by the vacation prospector. The would-be prospector hoping for financial gain, however, should carefully consider all the facts of the situation before deciding to set out on a prospecting expedition.","language":"English","publisher":"U.S. Government Printing Office","publisherLocation":"Washington, D.C.","doi":"10.3133/70039370","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1967, Prospecting for gold in the United States: General Information Product, 15 p., https://doi.org/10.3133/70039370.","productDescription":"15 p.","numberOfPages":"16","costCenters":[],"links":[{"id":261508,"rank":800,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/gip/70039370/report.pdf"},{"id":261509,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/gip/70039370/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"505a8f50e4b0c8380cd7f6b5","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":535277,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ]}