{"pageNumber":"87","pageRowStart":"2150","pageSize":"25","recordCount":2263,"records":[{"id":70046714,"text":"70046714 - 1948 - Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho","interactions":[{"subject":{"id":57076,"text":"ofr481 - 1947 - Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho","indexId":"ofr481","publicationYear":"1947","noYear":false,"title":"Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho"},"predicate":"SUPERSEDED_BY","object":{"id":70046714,"text":"70046714 - 1948 - Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho","indexId":"70046714","publicationYear":"1948","noYear":false,"title":"Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho"},"id":1}],"lastModifiedDate":"2013-06-27T12:47:27","indexId":"70046714","displayToPublicDate":"2013-01-01T00:00:00","publicationYear":"1948","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":6,"text":"USGS Unnumbered Series"},"seriesTitle":{"id":381,"text":"Strategic Minerals Investigations Preliminary Report","active":false,"publicationSubtype":{"id":6}},"seriesNumber":"3-219","title":"Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/70046714","usgsCitation":"Vhay, J.S., 1948, Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho: Strategic Minerals Investigations Preliminary Report 3-219, 26 p.; Maps: 3 Sheets, https://doi.org/10.3133/70046714.","productDescription":"26 p.; Maps: 3 Sheets","costCenters":[],"links":[{"id":274275,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"51cd5edfe4b0e7a904971bbd","contributors":{"authors":[{"text":"Vhay, J. S.","contributorId":78752,"corporation":false,"usgs":true,"family":"Vhay","given":"J.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":480073,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":70215633,"text":"70215633 - 1948 - Heavy metals in altered rock over blind ore bodies, East Tintic District, Utah","interactions":[],"lastModifiedDate":"2020-10-26T19:50:31.861646","indexId":"70215633","displayToPublicDate":"1948-10-26T14:29:21","publicationYear":"1948","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":"Heavy metals in altered rock over blind ore bodies, East Tintic District, Utah","docAbstract":"<p><span>Standard chemical tests and spectroscopic analyses of altered Tertiary lavas that occur above blind ore bodies in the East Tintic district, Utah, have failed to show any evidence of the mineralization in the underlying dolomites. A new technique involving dithizone was used in the field to test ammonium acetate extracts of crushed samples of the lava for soluble heavy metals, with significant results. Concentrations of heavy metals, believed to be chiefly zinc, with some lead and rarely copper (?), were found in pyritized rhyolite above and up-rake from known blind ore bodies, and were lacking in similarly altered rhyolite underlain by barren rocks. An incompletely prospected area of pyritic alteration shows a definite pattern of positive tests and seems worthy of further exploration. The theory and practice of the dithizone method as used in the field is described briefly.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.43.5.384","usgsCitation":"Lovering, T.S., Sokoloff, V., and Morris, H., 1948, Heavy metals in altered rock over blind ore bodies, East Tintic District, Utah: Economic Geology, v. 43, no. 5, p. 384-399, https://doi.org/10.2113/gsecongeo.43.5.384.","productDescription":"16 p.","startPage":"384","endPage":"399","costCenters":[],"links":[{"id":379776,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"East Tintic District","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -112.159423828125,\n              40.27533480732468\n            ],\n            [\n              -111.8243408203125,\n              40.27533480732468\n            ],\n            [\n              -111.8243408203125,\n              40.58475654701271\n            ],\n            [\n              -112.159423828125,\n              40.58475654701271\n            ],\n            [\n              -112.159423828125,\n              40.27533480732468\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"43","issue":"5","noUsgsAuthors":false,"publicationDate":"1948-08-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Lovering, Thomas Seward","contributorId":17227,"corporation":false,"usgs":true,"family":"Lovering","given":"Thomas","email":"","middleInitial":"Seward","affiliations":[],"preferred":false,"id":803039,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sokoloff, V.P.","contributorId":7346,"corporation":false,"usgs":true,"family":"Sokoloff","given":"V.P.","affiliations":[],"preferred":false,"id":803040,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morris, Hal T.","contributorId":71960,"corporation":false,"usgs":true,"family":"Morris","given":"Hal T.","affiliations":[],"preferred":false,"id":803041,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70215628,"text":"70215628 - 1948 - A sensitive field test for heavy metals in water","interactions":[],"lastModifiedDate":"2020-10-26T18:53:18.257784","indexId":"70215628","displayToPublicDate":"1948-10-26T13:45:34","publicationYear":"1948","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":"A sensitive field test for heavy metals in water","docAbstract":"<p><span>A semiquantitative colorimetric analytical method using dithizone to detect traces of heavy metals in natural water is described. Although reagents of exceptional purity are required, only simple equipment is needed and the test can be made in a few minutes in the field. A combined mixed color and mono color technique makes the test suitable for a wide range of concentrations. The test is very sensitive; as little as 0.01 part per million of either copper, lead, zinc or any combination of the three metals can be detected readily.The dithizone test permits rapid field identification of drainage elements which contain significant concentrations of heavy metals. An example is given showing how the test can be used to trace the heavy metal content of a drainage system back to its source. It is possible that, under favorable conditions, the field test may facilitate prospecting by detecting metals discharged by the weathering of hidden ore bodies. However, until the method receives further investigation, it would be premature to predict its value.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.43.8.675","usgsCitation":"Huff, L.C., 1948, A sensitive field test for heavy metals in water: Economic Geology, v. 43, no. 8, p. 675-684, https://doi.org/10.2113/gsecongeo.43.8.675.","productDescription":"10 p.","startPage":"675","endPage":"684","costCenters":[],"links":[{"id":379772,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","county":"Gilpin","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-105.6743,39.93],[-105.6089,39.9302],[-105.4968,39.9298],[-105.4728,39.9302],[-105.4638,39.9292],[-105.4584,39.9297],[-105.4398,39.9364],[-105.4362,39.9364],[-105.4296,39.9327],[-105.426,39.9318],[-105.4212,39.9309],[-105.3966,39.9326],[-105.3968,39.9117],[-105.3958,39.8827],[-105.3939,39.8251],[-105.3945,39.7499],[-105.4035,39.7499],[-105.4101,39.7486],[-105.4143,39.7459],[-105.4185,39.745],[-105.4203,39.7454],[-105.4215,39.7482],[-105.4239,39.7518],[-105.4262,39.7527],[-105.4274,39.7532],[-105.4424,39.7528],[-105.4454,39.7528],[-105.4609,39.7551],[-105.4759,39.7566],[-105.4854,39.7566],[-105.4932,39.7584],[-105.4992,39.7603],[-105.5081,39.7631],[-105.5207,39.7654],[-105.532,39.7681],[-105.5392,39.7718],[-105.5434,39.7759],[-105.5445,39.78],[-105.5451,39.7818],[-105.5457,39.785],[-105.554,39.7909],[-105.5743,39.8018],[-105.5755,39.8036],[-105.5755,39.8109],[-105.576,39.8186],[-105.5778,39.8209],[-105.579,39.8213],[-105.5814,39.8213],[-105.5892,39.8177],[-105.5922,39.8159],[-105.597,39.8164],[-105.6,39.8182],[-105.603,39.8196],[-105.6119,39.8223],[-105.6191,39.8255],[-105.6239,39.8301],[-105.6274,39.8346],[-105.6298,39.8396],[-105.6334,39.8419],[-105.6471,39.846],[-105.6531,39.8474],[-105.6597,39.8474],[-105.6651,39.8465],[-105.6723,39.8461],[-105.6795,39.8466],[-105.6849,39.8484],[-105.6884,39.8507],[-105.6908,39.8548],[-105.6926,39.8634],[-105.6955,39.8734],[-105.6961,39.8783],[-105.6955,39.8861],[-105.6955,39.8892],[-105.6925,39.8933],[-105.6895,39.8978],[-105.6864,39.9064],[-105.684,39.91],[-105.6804,39.9141],[-105.6798,39.9182],[-105.6779,39.9241],[-105.6743,39.93]]]},\"properties\":{\"name\":\"Gilpin\",\"state\":\"CO\"}}]}","volume":"43","issue":"8","noUsgsAuthors":false,"publicationDate":"1948-12-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Huff, Lyman C.","contributorId":47440,"corporation":false,"usgs":true,"family":"Huff","given":"Lyman","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":803034,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":71851,"text":"tei38 - 1947 - Trace elements reconnaissance along highways in the Tanana and upper Copper River valleys, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:14:03","indexId":"tei38","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1947","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":337,"text":"Trace Elements Investigations","code":"TEI","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"38","title":"Trace elements reconnaissance along highways in the Tanana and upper Copper River valleys, Alaska","language":"ENGLISH","doi":"10.3133/tei38","usgsCitation":"Wedow, H., and Matzko, J., 1947, Trace elements reconnaissance along highways in the Tanana and upper Copper River valleys, Alaska: U.S. Geological Survey Trace Elements Investigations 38, 79 p., 10 fig., https://doi.org/10.3133/tei38.","productDescription":"79 p., 10 fig.","costCenters":[],"links":[{"id":193180,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/tei/038/report-thumb.jpg"},{"id":91032,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/tei/038/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4ee4b07f02db627e98","contributors":{"authors":[{"text":"Wedow, Helmuth Jr.","contributorId":14374,"corporation":false,"usgs":true,"family":"Wedow","given":"Helmuth","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":284833,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Matzko, John J.","contributorId":79459,"corporation":false,"usgs":true,"family":"Matzko","given":"John J.","affiliations":[],"preferred":false,"id":284834,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":33652,"text":"b944B - 1947 - Geology of the lead-silver deposits of the Clark Fork district, Bonner County, Idaho","interactions":[],"lastModifiedDate":"2024-09-19T18:27:24.211257","indexId":"b944B","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1947","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"944","chapter":"B","title":"Geology of the lead-silver deposits of the Clark Fork district, Bonner County, Idaho","docAbstract":"<p>This report gives the results of a reinvestigation of the lead-silver deposits of the Clark Fork district, Bonner County, Idaho, which since the late twenties have been the most important producers of lead-silver ore in northern Idaho outside of the Coeur d'Alene district, their production up to the end of 1941 having been more than $1,200,000.</p><p>The deposits closely resemble those in the Coeur d'Alene district. They are fillings and replacements along minor low-angle thrust and high-angle reverse faults, which genetically are related to the Hope fault, a great transverse earth fracture, which provides the same sort of structural background for this district that the famous Osburn fault does for the Coeur d'Alene district. The deposits are contained in the Wallace and Striped Peak formations, members of the pre-Cambrian Belt series, and are closely associated with faulting and igneous activity that is probably of early Tertiary age.</p><p>The mineralization has not been so extensive as in the Coeur d'Alene district, but the deposits, though comparatively small, are rich. Much of the ore is in compact seams and lenses a few inches thick, but stringers of ore and subordinate fractures along which grains of sulfide are disseminated extend across zones that are commonly 2 to 4 feet and exceptionally as much as 8 feet in width. The ore is mainly sulfide ore of the Coeur d'Alene type, consisting dominantly of galena, which is accompanied by lesser quantities of siderite, quartz, and sphalerite and by still smaller quantities of pyrite, arsenopyrite, tetrahedrite, and calcite. Some of the deposits, however, have been substantially enriched by the addition of hypogene silver and antimony minerals, so that much of the ore being mined has a higher silver content than any of that in the Coeur d'Alene district. The hypogene minerals include lead sulfantimonites and sulfarsenites, copper-lead sulfantimonites, and ruby silver. These minerals are absent from only one of the mines, and in one of the mines they form the bulk of the ore that is now being taken out. The high silver content of some of the ore is due in part to the presence of pyrargyrite (3Ag2S.SbS:4).</p><p>The deposits apparently were formed at moderate depths and at moderate temperatures. It is believed that the ore will persist to depths appreciably greater than those yet reached in mining. The district has not yet been adequately explored, and undiscovered ore bodies may remain hidden beneath glacial and other surface debris.</p>","language":"English","publisher":"U.S. Government Printing Office","doi":"10.3133/b944B","usgsCitation":"Anderson, A., 1947, Geology of the lead-silver deposits of the Clark Fork district, Bonner County, Idaho: U.S. Geological Survey Bulletin 944, Report: v, p. 37-117; 8 Plates: 29.32 x 32.40 inches or smaller, https://doi.org/10.3133/b944B.","productDescription":"Report: v, p. 37-117; 8 Plates: 29.32 x 32.40 inches or smaller","costCenters":[],"links":[{"id":96047,"rank":9,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-12.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96046,"rank":8,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-11.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96045,"rank":7,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-10.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96044,"rank":6,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-09.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96043,"rank":5,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-08.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96042,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-07.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96041,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-06.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":96040,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0944b/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":164033,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0944b/report-thumb.jpg"},{"id":109591,"rank":11,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21183.htm","linkFileType":{"id":5,"text":"html"},"description":"21183"},{"id":96048,"rank":10,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0944b/plate-13.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Idaho","county":"Bonner County","otherGeospatial":"Clark Fork district","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -117.03112507202923,\n              48.92545075150298\n            ],\n            [\n              -117.03112507202923,\n              47.667570923980435\n            ],\n            [\n              -116.05716289240691,\n              47.667570923980435\n            ],\n            [\n              -116.05716289240691,\n              48.92545075150298\n            ],\n            [\n              -117.03112507202923,\n              48.92545075150298\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c833","contributors":{"authors":[{"text":"Anderson, Alfred Leonard","contributorId":54646,"corporation":false,"usgs":true,"family":"Anderson","given":"Alfred Leonard","affiliations":[],"preferred":false,"id":211729,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":55599,"text":"ofr4715 - 1947 - Copper deposits of a part of the Helvetia mining district, Arizona","interactions":[{"subject":{"id":55599,"text":"ofr4715 - 1947 - Copper deposits of a part of the Helvetia mining district, Arizona","indexId":"ofr4715","publicationYear":"1947","noYear":false,"title":"Copper deposits of a part of the Helvetia mining district, Arizona"},"predicate":"SUPERSEDED_BY","object":{"id":47343,"text":"b1027F - 1955 - Copper deposits of part of Helvetia mining district, Pima County, Arizona","indexId":"b1027F","publicationYear":"1955","noYear":false,"chapter":"F","title":"Copper deposits of part of Helvetia mining district, Pima County, Arizona"},"id":1}],"supersededBy":{"id":47343,"text":"b1027F - 1955 - Copper deposits of part of Helvetia mining district, Pima County, Arizona","indexId":"b1027F","publicationYear":"1955","noYear":false,"title":"Copper deposits of part of Helvetia mining district, Pima County, Arizona"},"lastModifiedDate":"2012-02-02T00:11:55","indexId":"ofr4715","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1947","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":"47-15","title":"Copper deposits of a part of the Helvetia mining district, Arizona","language":"ENGLISH","doi":"10.3133/ofr4715","usgsCitation":"Creasey, S., and Quick, G., 1947, Copper deposits of a part of the Helvetia mining district, Arizona: U.S. Geological Survey Open-File Report 47-15, 35 p.; 5 maps, https://doi.org/10.3133/ofr4715.","productDescription":"35 p.; 5 maps","costCenters":[],"links":[{"id":174125,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db6861cb","contributors":{"authors":[{"text":"Creasey, S.C.","contributorId":36109,"corporation":false,"usgs":true,"family":"Creasey","given":"S.C.","email":"","affiliations":[],"preferred":false,"id":253793,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Quick, G.L.","contributorId":102126,"corporation":false,"usgs":true,"family":"Quick","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":253794,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":57076,"text":"ofr481 - 1947 - Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho","interactions":[{"subject":{"id":57076,"text":"ofr481 - 1947 - Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho","indexId":"ofr481","publicationYear":"1947","noYear":false,"title":"Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho"},"predicate":"SUPERSEDED_BY","object":{"id":70046714,"text":"70046714 - 1948 - Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho","indexId":"70046714","publicationYear":"1948","noYear":false,"title":"Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho"},"id":1}],"supersededBy":{"id":70046714,"text":"70046714 - 1948 - Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho","indexId":"70046714","publicationYear":"1948","noYear":false,"title":"Cobalt-copper deposits in the Blackbird district, Lemhi County, Idaho"},"lastModifiedDate":"2015-01-13T12:35:21","indexId":"ofr481","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1947","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":"48-1","title":"Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho","docAbstract":"<p>The Blackbird district is in east-central Idaho, about 20 miles west-southwest of Salmon. The area is one of deeply weathered, flat-topped upland surfaces cut by several steep-walled valleys, which are tributary to the canyon of Panther Creek. Most of the area has a heavy vegetative cover and outcrops are relatively scarce except in the walls of the steeper valleys. The rocks of the district consist mostly of metamorphosed sedimentary rocks of the pre-Cambrian Yellowjacket formation (Belt series); a part of the Cretaceous Idaho batholith cuts across the northern part of the district, and acid porphyry dikes and metamorphosed basic rocks cut the Yellowjacket rocks.</p>\n<p>Structurally, the sedimentary rocks are divided by faults into three, roughly north-south blocks. The center one (Blackbird structural block) appears to have been more tightly squeezed than the others into relatively tight folds, with the development of widespread schistosity (flow cleavage). The rocks of the two outside blocks are in more open folds. In general they are nonschistose, except for the north end of the western block, where there are schistose rocks cut by several north-dipping thrust faults. The northern parts of the central and western blocks contain considerable garnet, chloritoid, and cordierite.</p>\n<p>The Blackbird structural block is cut by a number of mineralized shear zones. Those dipping moderately northeast and striking northwest, and those dipping steeply and striking north and northeast; appear to be most important. The mineralized rock contains chalcopyrite, cobaltite, pyrite, and pyrrhotite into a gangue of quartz, biotite, tourmaline, ankerite, and muscovite; the deposits were formed mostly by replacement of the shear zones. In addition, the block is cut by north-dipping thrust faults of west to northwest strike, and a number of high-angle faults.</p>\n<p>The district was first prospected about 1893; considerable developmont was done at the Brown Bear mine in 1899-1902, at the Haynes-Stellite in l917-1920, and at the Uncle Sam mine in 1938-1941, During World War II, the U.S. Bureau of Mines explored in the district with bulldozer and diamond drill., and the U.S. Geological Survey mapped the district and logged the drill cores. The Howe Sound Co. also did some diamond drilling in the district, and in 1945 the Calera Mining Co., Blackbird Division (subsidiary of Howe Sound Co.), started underground development at the Calera adit. Although the district has had very little production to the present, it is believed that a large tonnage of copper-cobalt ore exists in the district which should permit mining to be continued over a long period.</p>\n<p>The report contains brief descriptions of all the accessible workings in the district, of which the most important are Calera, Brown Bear, Uncle Sam, and Hawkeye mines. In the Calera adit, about 1,700 feet of the mineralized zone, ranging in width from 3 feet to 40 feet and averaging about 15 feet; have been explored (August 1946); the zone lies on a wide northwest-striking shear zone dipping moderately ( 60&deg; &plusmn;) northeast. The Brown Bear adit is in a wide, mineralized, north-south shear zone in which are higher-grade pods plunging 25&deg; to 35&deg; north. The Uncle Sam mine explores a relatively narrow north-south shear zone in which are two or three north-plunging ore shoots. The Hawkeye mine is in a broad zone of mineralized schist in which are several north-plunging lenses of ore.</p>","language":"English","doi":"10.3133/ofr481","usgsCitation":"Vhay, J.S., 1947, Cobalt-copper deposits of the Blackbird district, Lemhi County, Idaho (Superseded by: Strategic Minerals Investigations Preliminary Map 3-219): U.S. Geological Survey Open-File Report 48-1, ii, 26 p., https://doi.org/10.3133/ofr481.","productDescription":"ii, 26 p.","numberOfPages":"38","onlineOnly":"N","additionalOnlineFiles":"N","costCenters":[],"links":[{"id":184048,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":297131,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://pubs.usgs.gov/of/1948/0001/"},{"id":297132,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1948/0001/downloads/ofr48-1.pdf","text":"Report","size":"10.5 MB","linkFileType":{"id":1,"text":"pdf"},"description":"Report"}],"country":"United States","state":"Idaho","county":"Lemhi County","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -115.01586914062499,\n              44.1151978766043\n            ],\n            [\n              -115.01586914062499,\n              45.729191061299936\n            ],\n            [\n              -112.78564453124999,\n              45.729191061299936\n            ],\n            [\n              -112.78564453124999,\n              44.1151978766043\n            ],\n            [\n              -115.01586914062499,\n              44.1151978766043\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","edition":"Superseded by: Strategic Minerals Investigations Preliminary Map 3-219","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b24e4b07f02db6ae9c9","contributors":{"authors":[{"text":"Vhay, J. S.","contributorId":78752,"corporation":false,"usgs":true,"family":"Vhay","given":"J.","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":256224,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":1014361,"text":"1014361 - 1947 - Results of varying the ratio of largemouth black bass and bluegills in the stocking of experimental farm ponds","interactions":[],"lastModifiedDate":"2026-04-20T16:55:08.505162","indexId":"1014361","displayToPublicDate":"1949-01-01T00:00:00","publicationYear":"1947","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3624,"text":"Transactions of the American Fisheries Society","active":true,"publicationSubtype":{"id":10}},"title":"Results of varying the ratio of largemouth black bass and bluegills in the stocking of experimental farm ponds","docAbstract":"<p class=\"chapter-para\">During the period 1943 to 1946, several combinations of largemouth black bass (Micropterus salmoides) and bluegill (Lepomis macrochirus) were stocked in ponds on the station grounds at Leetown, West Virginia. These ponds were fertilized with 12–5–5, inorganic fertilizer, but when water blooms failed to control the submerged vegetation, sodium arsenite or copper sulfate was occasionally used for this purpose.</p><p class=\"chapter-para\">Bluegill‐bass ratios varying from 8:1 to 15:1 were used. Inventories of ponds showed that approximately 199 pounds of edible fish per acre could be produced annually in well managed ponds at Leetown regardless of the stocking ratio employed. The average size of bluegills varied inversely with the number stocked. The smallest bluegills, produced in the 15:1 bluegill‐bass ratio, averaged about 5.7 inches in fork length, compared with about 6.5 inches from the 8:1 ratio. Largemouth bass failed to make good growth in the 15:1 ratio, averaging only 9.3 inches compared with 10.2 inches in the 8:1 ratio.</p><p class=\"chapter-para\">The fact that in two ponds 71 percent of the largemouth black bass in the original stocking were removed during a brief period suggests that good pond management may include removal of the fish in the same ratio as the original stocking, to assure maintenance of a balance of species.</p>","language":"English","publisher":"American Fisheries Society","doi":"10.1577/1548-8659(1947)77[141:ROVTRO]2.0.CO;2","usgsCitation":"Surber, E.W., 1947, Results of varying the ratio of largemouth black bass and bluegills in the stocking of experimental farm ponds: Transactions of the American Fisheries Society, v. 77, no. 1, p. 141-151, https://doi.org/10.1577/1548-8659(1947)77[141:ROVTRO]2.0.CO;2.","productDescription":"11 p.","startPage":"141","endPage":"151","costCenters":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"links":[{"id":129610,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"77","issue":"1","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a18e4b07f02db60546e","contributors":{"authors":[{"text":"Surber, E. W.","contributorId":8794,"corporation":false,"usgs":true,"family":"Surber","given":"E.","middleInitial":"W.","affiliations":[],"preferred":false,"id":320252,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":35229,"text":"b947F - 1946 - Copper deposits of the Nizina district, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:09:36","indexId":"b947F","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1946","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"947","chapter":"F","title":"Copper deposits of the Nizina district, Alaska","language":"ENGLISH","publisher":"U.S. Govt. Print. Off.,","doi":"10.3133/b947F","usgsCitation":"Miller, D.J., 1946, Copper deposits of the Nizina district, Alaska: U.S. Geological Survey Bulletin 947, iii, p. 93-120, illus., maps (incl. fold. maps in pocket) ;24 cm., https://doi.org/10.3133/b947F.","productDescription":"iii, p. 93-120, illus., maps (incl. fold. maps in pocket) ;24 cm.","costCenters":[],"links":[{"id":109608,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21203.htm","linkFileType":{"id":5,"text":"html"},"description":"21203"},{"id":96836,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947f/plate-26.pdf","size":"146","linkFileType":{"id":1,"text":"pdf"}},{"id":96837,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947f/plate-27.pdf","size":"102","linkFileType":{"id":1,"text":"pdf"}},{"id":96838,"rank":406,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947f/plate-28.pdf","size":"107","linkFileType":{"id":1,"text":"pdf"}},{"id":96839,"rank":407,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947f/plate-29.pdf","size":"124","linkFileType":{"id":1,"text":"pdf"}},{"id":96835,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0947f/report.pdf","size":"2193","linkFileType":{"id":1,"text":"pdf"}},{"id":167165,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0947f/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afee4b07f02db69737d","contributors":{"authors":[{"text":"Miller, Don John","contributorId":77120,"corporation":false,"usgs":true,"family":"Miller","given":"Don","email":"","middleInitial":"John","affiliations":[],"preferred":false,"id":214286,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":55598,"text":"ofr4616 - 1946 - Copper deposits at the Rush and Brown mine and Venus prospect, Prince of Wales Island, southeastern Alaska","interactions":[{"subject":{"id":55598,"text":"ofr4616 - 1946 - Copper deposits at the Rush and Brown mine and Venus prospect, Prince of Wales Island, southeastern Alaska","indexId":"ofr4616","publicationYear":"1946","noYear":false,"title":"Copper deposits at the Rush and Brown mine and Venus prospect, Prince of Wales Island, southeastern Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":36144,"text":"b1090 - 1961 - Iron and copper deposits of Kasaan Peninsula, Prince of Wales Island, southeastern Alaska","indexId":"b1090","publicationYear":"1961","noYear":false,"title":"Iron and copper deposits of Kasaan Peninsula, Prince of Wales Island, southeastern Alaska"},"id":1}],"supersededBy":{"id":36144,"text":"b1090 - 1961 - Iron and copper deposits of Kasaan Peninsula, Prince of Wales Island, southeastern Alaska","indexId":"b1090","publicationYear":"1961","noYear":false,"title":"Iron and copper deposits of Kasaan Peninsula, Prince of Wales Island, southeastern Alaska"},"lastModifiedDate":"2024-04-24T20:18:29.03505","indexId":"ofr4616","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1946","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":"46-16","title":"Copper deposits at the Rush and Brown mine and Venus prospect, Prince of Wales Island, southeastern Alaska","docAbstract":"<p>The Rush and Brown mine and the Venus prospect are near the head of Kasaan Bay about 10 miles northwest of the village of Kasaan and about 45 miles northwest of Ketchikan, the nearest port. (See fig. 1.) They are in an area of moderate relief in in which some hills are a little more than 500 feet high. Much of the area is covered with glacial drift and dense vegetation. Muskegs are numerous. Outcrops are scarce and are confined mostly to steep slopes, stream beds, and places where development work has been done on the ore deposits. Topographic, geologic, and magnetic surveys of the vicinities of the ore deposits were made by the Geological Survey in 1943, and a brief examination of a portion of the underground workings at the Rush and Brown mine was made in 1944.</p><p>The area is underlain principally by greenstone which has been intruded by bodies of pyroxenite, gabbro, and diorite. Foliation in the greenstone is obscure. post of the intrusive bodies trend northwesterly.</p><p>The principal ore deposits are veins containing chiefly pyrite, chalcopyrite, and pyrrhotite. A few deposits of copper-bearing magnetite have been found. Most of these are small, but a larger one at the Rush and Brown mine has been mined for its copper and precious metals.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr4616","usgsCitation":"Warner, L., Ray, R., and Flint, G., 1946, Copper deposits at the Rush and Brown mine and Venus prospect, Prince of Wales Island, southeastern Alaska: U.S. Geological Survey Open-File Report 46-16, Report: 21 p.; 1 Plate: 19.68 x 17.88 inches, https://doi.org/10.3133/ofr4616.","productDescription":"Report: 21 p.; 1 Plate: 19.68 x 17.88 inches","costCenters":[],"links":[{"id":428094,"rank":3,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1946/0016/figure-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":174114,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1946/0016/report-thumb.jpg"},{"id":428093,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1946/0016/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Prince of Wales Island, southeastern Alaska","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -133.80060829362583,\n              56.444493872044745\n            ],\n            [\n              -133.80060829362583,\n              54.50933441146077\n            ],\n            [\n              -131.62667263754602,\n              54.50933441146077\n            ],\n            [\n              -131.62667263754602,\n              56.444493872044745\n            ],\n            [\n              -133.80060829362583,\n              56.444493872044745\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db686367","contributors":{"authors":[{"text":"Warner, L.A.","contributorId":99611,"corporation":false,"usgs":true,"family":"Warner","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":253792,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ray, R.G.","contributorId":60664,"corporation":false,"usgs":true,"family":"Ray","given":"R.G.","email":"","affiliations":[],"preferred":false,"id":253790,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Flint, G.M. Jr.","contributorId":79942,"corporation":false,"usgs":true,"family":"Flint","given":"G.M.","suffix":"Jr.","email":"","affiliations":[],"preferred":false,"id":253791,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":35956,"text":"b947E - 1946 - Copper bullion claims, Rua Cove, Knight Island, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:09:32","indexId":"b947E","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1946","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"947","chapter":"E","title":"Copper bullion claims, Rua Cove, Knight Island, Alaska","language":"ENGLISH","publisher":"U.S. Govt. Print. Off.,","doi":"10.3133/b947E","usgsCitation":"Stefansson, K., and Moxham, R.M., 1946, Copper bullion claims, Rua Cove, Knight Island, Alaska: U.S. Geological Survey Bulletin 947, iii, p. 85-92, maps (incl. fold. maps in pocket) ;24 cm., https://doi.org/10.3133/b947E.","productDescription":"iii, p. 85-92, maps (incl. fold. maps in pocket) ;24 cm.","costCenters":[],"links":[{"id":109607,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21202.htm","linkFileType":{"id":5,"text":"html"},"description":"21202"},{"id":97131,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947e/plate-23.pdf","size":"821","linkFileType":{"id":1,"text":"pdf"}},{"id":97132,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947e/plate-24.pdf","size":"164","linkFileType":{"id":1,"text":"pdf"}},{"id":97133,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947e/plate-25.pdf","size":"75","linkFileType":{"id":1,"text":"pdf"}},{"id":97130,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0947e/report.pdf","size":"655","linkFileType":{"id":1,"text":"pdf"}},{"id":167254,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0947e/report-thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db68633e","contributors":{"authors":[{"text":"Stefansson, Karl","contributorId":61296,"corporation":false,"usgs":true,"family":"Stefansson","given":"Karl","email":"","affiliations":[],"preferred":false,"id":215510,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Moxham, Robert M.","contributorId":56210,"corporation":false,"usgs":true,"family":"Moxham","given":"Robert","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":215509,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":55600,"text":"ofr4622 - 1946 - The Christmas copper mine, Gila County, Arizona","interactions":[{"subject":{"id":55600,"text":"ofr4622 - 1946 - The Christmas copper mine, Gila County, Arizona","indexId":"ofr4622","publicationYear":"1946","noYear":false,"title":"The Christmas copper mine, Gila County, Arizona"},"predicate":"SUPERSEDED_BY","object":{"id":47345,"text":"b1027H - 1956 - Geology of the Christmas copper mine, Gila County, Arizona","indexId":"b1027H","publicationYear":"1956","noYear":false,"chapter":"H","title":"Geology of the Christmas copper mine, Gila County, Arizona"},"id":1}],"supersededBy":{"id":47345,"text":"b1027H - 1956 - Geology of the Christmas copper mine, Gila County, Arizona","indexId":"b1027H","publicationYear":"1956","noYear":false,"title":"Geology of the Christmas copper mine, Gila County, Arizona"},"lastModifiedDate":"2012-02-02T00:11:55","indexId":"ofr4622","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1946","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":"46-22","title":"The Christmas copper mine, Gila County, Arizona","language":"ENGLISH","doi":"10.3133/ofr4622","usgsCitation":"Peterson, N.P., and Swanson, R.W., 1946, The Christmas copper mine, Gila County, Arizona: U.S. Geological Survey Open-File Report 46-22, 40 p.; 24 maps, https://doi.org/10.3133/ofr4622.","productDescription":"40 p.; 24 maps","costCenters":[],"links":[{"id":174126,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad2e4b07f02db681a05","contributors":{"authors":[{"text":"Peterson, N. P.","contributorId":29827,"corporation":false,"usgs":true,"family":"Peterson","given":"N.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":253796,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Swanson, R. W.","contributorId":7711,"corporation":false,"usgs":true,"family":"Swanson","given":"R.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":253795,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":36090,"text":"b947G - 1946 - Copper deposits of the Kotsina-Kuskulana district, Alaska","interactions":[],"lastModifiedDate":"2024-03-05T23:01:01.679404","indexId":"b947G","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1946","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"947","chapter":"G","title":"Copper deposits of the Kotsina-Kuskulana district, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/b947G","usgsCitation":"Van Alstine, R.E., Black, R.F., and Moffit, F., 1946, Copper deposits of the Kotsina-Kuskulana district, Alaska: U.S. Geological Survey Bulletin 947, Report: ii, 21 p.; 2 Plates: 10.06 x 9.57 inches and 9.76 x 6.66 inches, https://doi.org/10.3133/b947G.","productDescription":"Report: ii, 21 p.; 2 Plates: 10.06 x 9.57 inches and 9.76 x 6.66 inches","startPage":"121","endPage":"141","costCenters":[],"links":[{"id":109609,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21204.htm","linkFileType":{"id":5,"text":"html"},"description":"21204"},{"id":167357,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0947g/report-thumb.jpg"},{"id":97205,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0947g/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":97207,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947g/plate-31.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":97206,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/bul/0947g/plate-30.pdf","linkFileType":{"id":1,"text":"pdf"}}],"country":"United States","state":"Alaska","otherGeospatial":"Kotsina-Kuskulana district","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -144.125,\n              61.75\n            ],\n            [\n              -144.125,\n              61.5\n            ],\n            [\n              -143.55,\n              61.5\n            ],\n            [\n              -143.55,\n              61.75\n            ],\n            [\n              -144.125,\n              61.75\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4adce4b07f02db6862da","contributors":{"authors":[{"text":"Van Alstine, Ralph Erskine","contributorId":12472,"corporation":false,"usgs":true,"family":"Van Alstine","given":"Ralph","email":"","middleInitial":"Erskine","affiliations":[],"preferred":false,"id":215747,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Black, Robert F.","contributorId":12504,"corporation":false,"usgs":true,"family":"Black","given":"Robert","email":"","middleInitial":"F.","affiliations":[],"preferred":false,"id":215748,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Moffit, Fred H.","contributorId":61878,"corporation":false,"usgs":true,"family":"Moffit","given":"Fred H.","affiliations":[],"preferred":false,"id":896012,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70220484,"text":"70220484 - 1946 - Structural control of ore deposition at Kasaan Peninsula, southeastern Alaska","interactions":[],"lastModifiedDate":"2021-05-16T15:41:42.249065","indexId":"70220484","displayToPublicDate":"1946-10-31T10:35:21","publicationYear":"1946","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"title":"Structural control of ore deposition at Kasaan Peninsula, southeastern Alaska","docAbstract":"<p><span>Copper‐bearing magnetite deposits and associated copper deposits&nbsp;</span><span class=\"ScopusTermHighlight\">at</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">Kasaan</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">Peninsula</span><span>, Prince of Wales Island,&nbsp;</span><span class=\"ScopusTermHighlight\">southeastern</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">Alaska</span><span>, have been known for many years and have been mined to some extent for their copper content.&nbsp;</span><span class=\"ScopusTermHighlight\">At</span><span>&nbsp;the beginning of World War II, the development of war industries in the Pacific northwest focused attention on the deposits as possible sources of iron&nbsp;</span><span class=\"ScopusTermHighlight\">ore</span><span>. From 1942 through 1944 the United States Geological Survey made detailed studies of most of the&nbsp;</span><span class=\"ScopusTermHighlight\">ore</span><span>&nbsp;deposits and&nbsp;</span><span class=\"ScopusTermHighlight\">at</span><span>&nbsp;a few of the more promising localities diamond‐drilling operations were carried on by the United States Bureau of Mines. The deposits are for the most part small and irregular but of relatively high grade. The chief&nbsp;</span><span class=\"ScopusTermHighlight\">ore</span><span>&nbsp;minerals are magnetite, pyrite, and chalcopyrite, and the gangue consists largely of skarn minerals, including garnet, epidote, diopside, and hornblende. The deposits are presumably of pyrometasomatic origin, but whereas deposits of this type are commonly replacement bodies in limestone,&nbsp;</span><span class=\"ScopusTermHighlight\">at</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">Kasaan</span><span>&nbsp;</span><span class=\"ScopusTermHighlight\">Peninsula</span><span>&nbsp;limestone seemingly was a poor host rock for the&nbsp;</span><span class=\"ScopusTermHighlight\">ore.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/TR027i005p00712","usgsCitation":"Warner, L., and Goddard, E.N., 1946, Structural control of ore deposition at Kasaan Peninsula, southeastern Alaska, v. 27, no. 5, p. 712-712, https://doi.org/10.1029/TR027i005p00712.","productDescription":"1 p.","startPage":"712","endPage":"712","costCenters":[],"links":[{"id":385662,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United  States","state":"Alaska","otherGeospatial":"Kasaan  Penninsula","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -132.5775146484375,\n              55.42277902267131\n            ],\n            [\n              -132.0721435546875,\n              55.42277902267131\n            ],\n            [\n              -132.0721435546875,\n              55.67138928829547\n            ],\n            [\n              -132.5775146484375,\n              55.67138928829547\n            ],\n            [\n              -132.5775146484375,\n              55.42277902267131\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"27","issue":"5","noUsgsAuthors":false,"publicationDate":"2014-08-18","publicationStatus":"PW","contributors":{"authors":[{"text":"Warner, L.A.","contributorId":99611,"corporation":false,"usgs":true,"family":"Warner","given":"L.A.","email":"","affiliations":[],"preferred":false,"id":815730,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Goddard, E. N.","contributorId":77158,"corporation":false,"usgs":true,"family":"Goddard","given":"E.","email":"","middleInitial":"N.","affiliations":[],"preferred":false,"id":815731,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70214984,"text":"70214984 - 1946 - Stages and epochs of mineralization in the San Juan Mountains, Colorado, as shown at the Dunmore Mine, Ouray County, Colorado","interactions":[],"lastModifiedDate":"2020-10-05T16:45:31.291173","indexId":"70214984","displayToPublicDate":"1946-10-05T11:38:18","publicationYear":"1946","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":"Stages and epochs of mineralization in the San Juan Mountains, Colorado, as shown at the Dunmore Mine, Ouray County, Colorado","docAbstract":"<p><span>The Dunmore lode is localized along a persistent fissure zone over two miles long and averaging nearly 100 feet in width along the length of the Dunmore claim. The fault in which the lode is located offset the pre-Cambrian quartzite and slate walls about 4,500 feet prior to deposition of the overlying thick San Juan tuff. Late Tertiary faulting extended the fissure into the San Juan tuff, dropping the south side about 80 feet. Although most of the lode crops out in the pre-Cambrian rocks, it extends upward across the profound unconformity into the tuff. The lode is complex, containing sharply marked fissure veins, sheared slate dragged into the fault zone, a sheared dike, breccia chimneys, and pebble dikes. An assemblage consisting of quartz, sericite, kaolin, and pyrite appears to be of early Tertiary age. The more productive part of the lode, however, is late Tertiary and consists of a hematite chimney inclosing a copper shoot, a tungsten chimney, and compound base-metal fissure veins. These chimneys and veins are mostly localized along early Tertiary structures, but their mineral sequences correlate them with the second stage of late Tertiary deposition recognized by Burbank in the adjoining Red Mountain and other districts. The Dunmore lode, however, is believed to have been deposited at greater depth and higher temperature and nearer to a source of supply than the lodes of these districts. In structure as well as mineral assemblages the Dunmore lode shows a connection between the chimneys and veins of the region.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.41.2.139","usgsCitation":"Kelley, V.C., and Silver, C., 1946, Stages and epochs of mineralization in the San Juan Mountains, Colorado, as shown at the Dunmore Mine, Ouray County, Colorado: Economic Geology, v. 41, no. 2, p. 139-159, https://doi.org/10.2113/gsecongeo.41.2.139.","productDescription":"21 p.","startPage":"139","endPage":"159","costCenters":[],"links":[{"id":379048,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","county":"Ouray","otherGeospatial":"San Juan Mountains","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-107.6333,38.3005],[-107.6265,38.2888],[-107.618,38.2739],[-107.6113,38.2627],[-107.6101,38.26],[-107.6077,38.2582],[-107.6024,38.256],[-107.5918,38.253],[-107.5894,38.2512],[-107.5881,38.2476],[-107.5862,38.2412],[-107.5844,38.2372],[-107.5789,38.2286],[-107.5777,38.2255],[-107.5774,38.2137],[-107.5755,38.2038],[-107.5736,38.197],[-107.5698,38.1866],[-107.5679,38.1794],[-107.5665,38.1694],[-107.5659,38.1672],[-107.5629,38.1636],[-107.5617,38.1595],[-107.5621,38.1545],[-107.5638,38.1495],[-107.5666,38.1445],[-107.5723,38.1381],[-107.5723,38.1363],[-107.5722,38.1349],[-107.571,38.1331],[-107.5651,38.1291],[-107.5627,38.1241],[-107.5606,38.1088],[-107.5622,38.1042],[-107.5628,38.1015],[-107.5633,38.0992],[-107.5626,38.0956],[-107.5541,38.0821],[-107.5506,38.079],[-107.5459,38.0777],[-107.5395,38.0791],[-107.5348,38.0783],[-107.5265,38.0734],[-107.5081,38.0623],[-107.5069,38.0587],[-107.5074,38.0573],[-107.5098,38.0568],[-107.5174,38.0563],[-107.5203,38.0549],[-107.5189,38.0472],[-107.5194,38.0422],[-107.5223,38.0399],[-107.5269,38.0389],[-107.5298,38.0375],[-107.535,38.0307],[-107.536,38.0248],[-107.5357,38.0116],[-107.5368,38.0071],[-107.5408,38.0029],[-107.5437,38.0006],[-107.5536,37.9996],[-107.563,38.0013],[-107.5712,38.0017],[-107.5752,38.0007],[-107.5781,37.9979],[-107.5786,37.9939],[-107.5785,37.9893],[-107.583,37.9843],[-107.5841,37.9793],[-107.584,37.9747],[-107.5857,37.9702],[-107.588,37.9688],[-107.5961,37.9669],[-107.6077,37.9636],[-107.6216,37.9588],[-107.6263,37.9588],[-107.635,37.9586],[-107.6385,37.9545],[-107.6407,37.9491],[-107.6405,37.9404],[-107.6404,37.9368],[-107.6389,37.9237],[-107.6394,37.9187],[-107.6422,37.9146],[-107.6514,37.9081],[-107.6595,37.9039],[-107.6682,37.9011],[-107.681,37.9],[-107.6839,37.9],[-107.6862,37.899],[-107.6879,37.8976],[-107.6897,37.8967],[-107.6942,37.8917],[-107.6977,37.8912],[-107.7024,37.892],[-107.7077,37.8955],[-107.7188,37.8977],[-107.7359,37.9038],[-107.7337,37.9111],[-107.7338,37.9151],[-107.7311,37.9229],[-107.7318,37.9283],[-107.7391,37.9386],[-107.7457,37.9485],[-107.7493,37.9512],[-107.7534,37.9529],[-107.7611,37.9569],[-107.7664,37.9595],[-107.7728,37.9599],[-107.7799,37.9625],[-107.7835,37.9656],[-107.786,37.9715],[-107.7879,37.9778],[-107.7903,37.9805],[-107.7938,37.9823],[-107.8003,37.9844],[-107.8068,37.9866],[-107.8161,37.9883],[-107.822,37.9882],[-107.829,37.9899],[-107.8332,37.9907],[-107.8407,37.9906],[-107.8419,37.9911],[-107.8431,37.9929],[-107.842,37.9947],[-107.8404,38.0006],[-107.8404,38.0024],[-107.8429,38.0051],[-107.847,38.0069],[-107.8511,38.0082],[-107.8558,38.009],[-107.8599,38.0085],[-107.8639,38.0071],[-107.8698,38.0065],[-107.8797,38.0064],[-107.8826,38.0068],[-107.8874,38.009],[-107.8886,38.0108],[-107.8898,38.0135],[-107.8899,38.0171],[-107.89,38.0221],[-107.8884,38.0271],[-107.8885,38.0307],[-107.8898,38.0352],[-107.8922,38.0388],[-107.8934,38.0406],[-107.8935,38.0433],[-107.8935,38.0447],[-107.8924,38.047],[-107.8925,38.0506],[-107.8973,38.0564],[-107.8975,38.0859],[-107.8934,38.0859],[-107.8932,38.0991],[-107.8908,38.0991],[-107.8912,38.1136],[-107.9491,38.1141],[-107.9493,38.144],[-107.9652,38.1446],[-107.9654,38.1519],[-107.946,38.1517],[-107.946,38.1731],[-107.9367,38.1732],[-107.9367,38.2185],[-107.9466,38.2184],[-107.9468,38.2265],[-107.9627,38.2263],[-107.9628,38.2326],[-107.981,38.2328],[-107.9814,38.2477],[-108.0084,38.2482],[-108.0085,38.2537],[-108.0807,38.2547],[-108.0815,38.2828],[-108.0985,38.283],[-108.0987,38.312],[-108.1163,38.3121],[-108.1165,38.3185],[-108.1276,38.3183],[-108.1274,38.331],[-108.1127,38.3312],[-108.0206,38.3305],[-108.0007,38.3304],[-107.9631,38.3296],[-107.9449,38.3295],[-107.9079,38.3292],[-107.8715,38.3293],[-107.8522,38.3291],[-107.8146,38.3292],[-107.7964,38.329],[-107.7236,38.3287],[-107.7049,38.329],[-107.6867,38.3288],[-107.6339,38.3286],[-107.6292,38.3286],[-107.6314,38.3223],[-107.633,38.3172],[-107.6358,38.3095],[-107.6333,38.3005]]]},\"properties\":{\"name\":\"Ouray\",\"state\":\"CO\"}}]}","volume":"41","issue":"2","noUsgsAuthors":false,"publicationDate":"1946-03-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Kelley, Vincent Cooper","contributorId":48644,"corporation":false,"usgs":true,"family":"Kelley","given":"Vincent","email":"","middleInitial":"Cooper","affiliations":[],"preferred":false,"id":800499,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Silver, Caswell","contributorId":242613,"corporation":false,"usgs":false,"family":"Silver","given":"Caswell","email":"","affiliations":[],"preferred":false,"id":800500,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70214507,"text":"70214507 - 1946 - Hydrothermal alteration in the Castle Dome copper deposit, Arizona","interactions":[],"lastModifiedDate":"2020-09-28T19:20:35.98503","indexId":"70214507","displayToPublicDate":"1946-09-28T14:12:53","publicationYear":"1946","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":"Hydrothermal alteration in the Castle Dome copper deposit, Arizona","docAbstract":"<p><span>Hydrothermal alteration of the quartz monzonite host rock in the Castle Dome copper deposit consists of three phases. Very weak propylitic alteration of biotite and plagioclase occurs in the marginal part of the mineralized area. Where mineralization is stronger most of the plagioclase and some of the orthoclase and biotite are replaced by a montmorillonitetype clay, resembling beidellite, and hydrous mica. The third phase is localized along quartz-pyrite veins where the wall rock, commonly as much as an inch from the vein, is replaced by quartz and seriate. In contrast to the localization of quartz-sericite alteration along the veins, clay alteration is general and can be seen between the veins wherever the rock is not completely sericitized. Thus these two types of alteration cannot be separated areally. The most intense clay alteration together with moderate quartz-sericite alteration occurs in the ore body, whereas the strongest quartz-sericite alteration, where pyrite veins are largest and most numerous, is in a zone along the north side of the ore body.</span></p>","language":"English","publisher":"Society of Economic Geologist","doi":"10.2113/gsecongeo.41.8.820","usgsCitation":"Peterson, N.P., Gilbert, C., and Quick, G., 1946, Hydrothermal alteration in the Castle Dome copper deposit, Arizona: Economic Geology, v. 41, no. 8, p. 820-840, https://doi.org/10.2113/gsecongeo.41.8.820.","productDescription":"21 p.","startPage":"820","endPage":"840","costCenters":[],"links":[{"id":378823,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Arizona","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -111.4453125,\n              32.79651010951669\n            ],\n            [\n              -110.621337890625,\n              32.79651010951669\n            ],\n            [\n              -110.621337890625,\n              33.578014746143985\n            ],\n            [\n              -111.4453125,\n              33.578014746143985\n            ],\n            [\n              -111.4453125,\n              32.79651010951669\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","volume":"41","issue":"8","noUsgsAuthors":false,"publicationDate":"1946-12-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Peterson, Nels P.","contributorId":85252,"corporation":false,"usgs":true,"family":"Peterson","given":"Nels","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":799757,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gilbert, Charles","contributorId":44418,"corporation":false,"usgs":true,"family":"Gilbert","given":"Charles","affiliations":[],"preferred":false,"id":799758,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Quick, G.L.","contributorId":102126,"corporation":false,"usgs":true,"family":"Quick","given":"G.L.","email":"","affiliations":[],"preferred":false,"id":799759,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":56963,"text":"b943C - 1945 - Nickel-copper prospect near Spirit Mountain Copper River region, Alaska","interactions":[{"subject":{"id":56963,"text":"b943C - 1945 - Nickel-copper prospect near Spirit Mountain Copper River region, Alaska","indexId":"b943C","publicationYear":"1945","noYear":false,"chapter":"C","title":"Nickel-copper prospect near Spirit Mountain Copper River region, Alaska"},"predicate":"IS_PART_OF","object":{"id":35878,"text":"b943 - 1945 - Mineral resources of Alaska: report on progress of investigations in 1941 and 1942","indexId":"b943","publicationYear":"1945","noYear":false,"title":"Mineral resources of Alaska: report on progress of investigations in 1941 and 1942"},"id":1}],"isPartOf":{"id":35878,"text":"b943 - 1945 - Mineral resources of Alaska: report on progress of investigations in 1941 and 1942","indexId":"b943","publicationYear":"1945","noYear":false,"title":"Mineral resources of Alaska: report on progress of investigations in 1941 and 1942"},"lastModifiedDate":"2021-12-29T22:12:18.747113","indexId":"b943C","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1945","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":306,"text":"Bulletin","code":"B","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"943","chapter":"C","title":"Nickel-copper prospect near Spirit Mountain Copper River region, Alaska","docAbstract":"<p>No abstract available.</p>","largerWorkType":{"id":18,"text":"Report"},"largerWorkTitle":"Mineral resources of Alaska, report on progress of investigations in 1941 and 1942","largerWorkSubtype":{"id":5,"text":"USGS Numbered Series"},"language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/b943C","usgsCitation":"Kingston, J., and Miller, D.J., 1945, Nickel-copper prospect near Spirit Mountain Copper River region, Alaska: U.S. Geological Survey Bulletin 943, 9 p., https://doi.org/10.3133/b943C.","productDescription":"9 p.","costCenters":[],"links":[{"id":393631,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_21181.htm"},{"id":100496,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/bul/0943c/report.pdf","size":"773","linkFileType":{"id":1,"text":"pdf"}},{"id":185128,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/bul/0943c/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Spirit Mountain Copper River region","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -144.667,\n              61.333\n            ],\n            [\n              -144,\n              61.333\n            ],\n            [\n              -144,\n              61.567\n            ],\n            [\n              -144.667,\n              61.567\n            ],\n            [\n              -144.667,\n              61.333\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4afee4b07f02db6974ea","contributors":{"authors":[{"text":"Kingston, Jack","contributorId":74455,"corporation":false,"usgs":true,"family":"Kingston","given":"Jack","email":"","affiliations":[],"preferred":false,"id":255995,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, D. J.","contributorId":83185,"corporation":false,"usgs":true,"family":"Miller","given":"D.","email":"","middleInitial":"J.","affiliations":[],"preferred":false,"id":255996,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":55523,"text":"ofr4549 - 1945 - Report on the Loma Prieta mine (copper and molybdenum), Copper Basin, Yavapai County, Arizona","interactions":[],"lastModifiedDate":"2012-02-02T00:11:58","indexId":"ofr4549","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1945","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":"45-49","title":"Report on the Loma Prieta mine (copper and molybdenum), Copper Basin, Yavapai County, Arizona","language":"ENGLISH","doi":"10.3133/ofr4549","usgsCitation":"Anderson, C., 1945, Report on the Loma Prieta mine (copper and molybdenum), Copper Basin, Yavapai County, Arizona: U.S. Geological Survey Open-File Report 45-49, 5 maps, https://doi.org/10.3133/ofr4549.","productDescription":"5 maps","costCenters":[],"links":[{"id":181396,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1945/0049/report-thumb.jpg"},{"id":88030,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1945/0049/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":88031,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1945/0049/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":88032,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1945/0049/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":88033,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1945/0049/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":88034,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1945/0049/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a26e4b07f02db60f7fd","contributors":{"authors":[{"text":"Anderson, C.A.","contributorId":105277,"corporation":false,"usgs":true,"family":"Anderson","given":"C.A.","email":"","affiliations":[],"preferred":false,"id":253630,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":55464,"text":"ofr4525 - 1945 - Salt Chuck copper-palladium mine, Prince of Wales Island, southeastern Alaska","interactions":[],"lastModifiedDate":"2025-03-21T13:24:07.684964","indexId":"ofr4525","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1945","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":"45-25","title":"Salt Chuck copper-palladium mine, Prince of Wales Island, southeastern Alaska","docAbstract":"<p>The Salt Chuck copper-palladium mine is on a salt-water lagoon at the head of Kasaan Bay, Prince of Wales Island, southeastern Alaska, about 43 miles by water northwest Of Ketchikan (see fig. 1). The lagoon, known as the Salt Chuck, opens into Kasaan Bay through a very narrow channel and can be entered by small boats and barges from an hour or so before until an hour or so after high tide. Steamers can operate to within about 5 miles of the entrance to the Salt Chuck. The lagoon is deep enough in some places for smell boats to remain in it at low tide.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr4525","usgsCitation":"Galt, H., 1945, Salt Chuck copper-palladium mine, Prince of Wales Island, southeastern Alaska: U.S. Geological Survey Open-File Report 45-25, Report: 18 p.; 7 Plates, https://doi.org/10.3133/ofr4525.","productDescription":"Report: 18 p.; 7 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,{"id":55238,"text":"ofr4488 - 1944 - Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska","interactions":[{"subject":{"id":55238,"text":"ofr4488 - 1944 - Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska","indexId":"ofr4488","publicationYear":"1944","noYear":false,"title":"Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","indexId":"b963A","publicationYear":"1949","noYear":false,"chapter":"A","title":"Some mineral investigations in southeastern Alaska"},"id":1}],"supersededBy":{"id":36062,"text":"b963A - 1949 - Some mineral investigations in southeastern Alaska","indexId":"b963A","publicationYear":"1949","noYear":false,"title":"Some mineral investigations in southeastern Alaska"},"lastModifiedDate":"2023-05-31T21:47:28.776521","indexId":"ofr4488","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1944","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":"44-88","title":"Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska","docAbstract":"<p>Moth Bay is a narrow inlet on the north side of the entrance to Thorne Arm, a large bay near the southern end of Revillagigedo Island, southeastern Alaska (see insert, fig. 1). It is about 16 miles by water southeasterly from Ketchikan, the nearest port. Moth Bay is locally known as Maiden Bay. The zinc-copper deposits are about three-fifths of a mile north of the head of the bay, at altitudes ranging from 250 feet to 500 feet, and are accessible by a good trail from the bay. The deposits are near the southern end of a low northward-trending ridge which rises above a broad, swampy, lake-dotted muskeg. The muskeg is bordered on the east and west by smoothly rounded, densely wooded hills up to 2,300 feet high. Vegetation and glacial till cloak most of the surface and rock exposures are rare. Small timber and fresh water are available. The climate is mild and humid.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr4488","usgsCitation":"Robinson, G.D., 1944, Zinc-copper deposits near Moth Bay, Revillagigedo Island, southeastern Alaska: U.S. Geological Survey Open-File Report 44-88, Report: 10 p.; 3 Plates: 19.23 x 19.25 inches or smaller, https://doi.org/10.3133/ofr4488.","productDescription":"Report: 10 p.; 3 Plates: 19.23 x 19.25 inches or smaller","costCenters":[],"links":[{"id":417620,"rank":5,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1944/0088/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":417598,"rank":4,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1944/0088/figure-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":417596,"rank":2,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1944/0088/figure-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":417597,"rank":3,"type":{"id":29,"text":"Figure"},"url":"https://pubs.usgs.gov/of/1944/0088/figure-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":174787,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1944/0088/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Moth Bay, Revillagigedo Island","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -131.71567909413847,\n              55.888657346691076\n            ],\n            [\n              -131.71567909413847,\n              55.24989899339019\n            ],\n            [\n              -130.87389861118214,\n              55.24989899339019\n            ],\n            [\n              -130.87389861118214,\n              55.888657346691076\n            ],\n            [\n              -131.71567909413847,\n              55.888657346691076\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e49d5e4b07f02db5dde60","contributors":{"authors":[{"text":"Robinson, G. D.","contributorId":96669,"corporation":false,"usgs":true,"family":"Robinson","given":"G.","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":252986,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
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