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,{"id":66777,"text":"i554 - 1968 - Regional geologic map of the Shunknak and southern part of the Ambler River quadrangles, Alaska","interactions":[],"lastModifiedDate":"2012-02-10T00:11:18","indexId":"i554","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"554","subseriesTitle":"NONE","title":"Regional geologic map of the Shunknak and southern part of the Ambler River quadrangles, Alaska","language":"ENGLISH","doi":"10.3133/i554","usgsCitation":"Patton, W.W., Miller, T.P., and Tailleur, I., 1968, Regional geologic map of the Shunknak and southern part of the Ambler River quadrangles, Alaska: U.S. Geological Survey IMAP 554, 1 map., https://doi.org/10.3133/i554.","productDescription":"1 map.","costCenters":[],"links":[{"id":106829,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_9342.htm","linkFileType":{"id":5,"text":"html"},"description":"9342"},{"id":187973,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"250000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -159,66 ], [ -159,67.43361111111112 ], [ -156,67.43361111111112 ], [ -156,66 ], [ -159,66 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ac9e4b07f02db67c506","contributors":{"authors":[{"text":"Patton, W. W. Jr.","contributorId":11231,"corporation":false,"usgs":true,"family":"Patton","given":"W.","suffix":"Jr.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":275059,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, T. P.","contributorId":49345,"corporation":false,"usgs":true,"family":"Miller","given":"T.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":275060,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tailleur, I.L.","contributorId":59027,"corporation":false,"usgs":true,"family":"Tailleur","given":"I.L.","email":"","affiliations":[],"preferred":false,"id":275061,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":66776,"text":"i530 - 1968 - Regional geologic map of the Selawik and southeastern Baird Mountains quadrangle, Alaska","interactions":[],"lastModifiedDate":"2012-02-10T00:11:18","indexId":"i530","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":320,"text":"IMAP","code":"I","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"530","subseriesTitle":"NONE","title":"Regional geologic map of the Selawik and southeastern Baird Mountains quadrangle, Alaska","language":"ENGLISH","doi":"10.3133/i530","usgsCitation":"Patton, W.W., and Miller, T.P., 1968, Regional geologic map of the Selawik and southeastern Baird Mountains quadrangle, Alaska: U.S. Geological Survey IMAP 530, 1 map., https://doi.org/10.3133/i530.","productDescription":"1 map.","costCenters":[],"links":[{"id":103222,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_1715.htm","linkFileType":{"id":5,"text":"html"},"description":"1715"},{"id":187972,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"250000","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -162,66 ], [ -162,67.5 ], [ -159,67.5 ], [ -159,66 ], [ -162,66 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a60e4b07f02db634fbf","contributors":{"authors":[{"text":"Patton, W. W. Jr.","contributorId":11231,"corporation":false,"usgs":true,"family":"Patton","given":"W.","suffix":"Jr.","email":"","middleInitial":"W.","affiliations":[],"preferred":false,"id":275057,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Miller, T. P.","contributorId":49345,"corporation":false,"usgs":true,"family":"Miller","given":"T.","email":"","middleInitial":"P.","affiliations":[],"preferred":false,"id":275058,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":14038,"text":"ofr68122 - 1968 - Geology of the Golden Zone mine area, Alaska","interactions":[],"lastModifiedDate":"2025-09-25T20:51:34.846063","indexId":"ofr68122","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-122","title":"Geology of the Golden Zone mine area, Alaska","docAbstract":"The Golden Zone mine area, in the upper Chulitna district, is underlain mainly by siltstone and tuff, volcanic conglomerate and breccia, and limestone. These rocks were invaded, probably in the Tertiary, by dikes and a small stock of porphyry. The ore deposits of the area are the Golden Zone breccia pipe, a nearly vertical body about in the center of the porphyry stock, and steeply dipping veins. Most veins strike north to northeast and are commonly only 1-5 feet thick, but locally are as much as 15 feet thick. Both pipe and vein deposits are gold deposits of low to moderate grade that are characterized by abundant arsenopyrite; some contain possibly economic amounts of copper, lead and zinc minerals. Of the deposits of the mine area, only the Golden Zone has been explored to any extent, and both it and some of. the veins deserve further exploration to determine their potential.","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr68122","usgsCitation":"Hawley, C.C., Clark, A.L., and Benfer, J.A., 1968, Geology of the Golden Zone mine area, Alaska: U.S. Geological Survey Open-File Report 68-122, Report: 18 p.; 1 Plate: 25.60 × 20.18 inches, https://doi.org/10.3133/ofr68122.","productDescription":"Report: 18 p.; 1 Plate: 25.60 × 20.18 inches","costCenters":[],"links":[{"id":496185,"rank":4,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_8250.htm","linkFileType":{"id":5,"text":"html"}},{"id":42692,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0122/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42691,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0122/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147063,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0122/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Golden Zone mine area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -149.667,\n              63.225\n            ],\n            [\n              -149.667,\n              63.202\n            ],\n            [\n              -149.628,\n              63.202\n            ],\n            [\n              -149.628,\n              63.225\n            ],\n            [\n              -149.667,\n              63.225\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4acfe4b07f02db6801bd","contributors":{"authors":[{"text":"Hawley, C. C.","contributorId":102070,"corporation":false,"usgs":true,"family":"Hawley","given":"C.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":168834,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Clark, Allen L.","contributorId":96258,"corporation":false,"usgs":true,"family":"Clark","given":"Allen","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":168833,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Benfer, J. Alan","contributorId":81500,"corporation":false,"usgs":true,"family":"Benfer","given":"J.","email":"","middleInitial":"Alan","affiliations":[],"preferred":false,"id":168832,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":13091,"text":"ofr6858 - 1968 - Metallic mineral resources map of the Skagway Quadrangle, Alaska","interactions":[{"subject":{"id":13091,"text":"ofr6858 - 1968 - Metallic mineral resources map of the Skagway Quadrangle, Alaska","indexId":"ofr6858","publicationYear":"1968","noYear":false,"title":"Metallic mineral resources map of the Skagway Quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":59238,"text":"mf424 - 1972 - Metallic mineral resources map of the Skagway Quadrangle, Alaska","indexId":"mf424","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Skagway Quadrangle, Alaska"},"id":1}],"supersededBy":{"id":59238,"text":"mf424 - 1972 - Metallic mineral resources map of the Skagway Quadrangle, Alaska","indexId":"mf424","publicationYear":"1972","noYear":false,"title":"Metallic mineral resources map of the Skagway Quadrangle, Alaska"},"lastModifiedDate":"2023-12-08T18:58:07.273207","indexId":"ofr6858","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-58","title":"Metallic mineral resources map of the Skagway Quadrangle, Alaska","docAbstract":"<p>No abstract available.&nbsp;</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr6858","usgsCitation":"1968, Metallic mineral resources map of the Skagway Quadrangle, Alaska: U.S. Geological Survey Open-File Report 68-58, Report: 4 p.; 1 Plate: 29.67 x 23.41 inches, https://doi.org/10.3133/ofr6858.","productDescription":"Report: 4 p.; 1 Plate: 29.67 x 23.41 inches","costCenters":[],"links":[{"id":423356,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0058/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":423355,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0058/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":146137,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0058/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Skagway Quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -135,\n              60\n            ],\n            [\n              -138,\n              60\n            ],\n            [\n              -138,\n              59\n            ],\n            [\n              -135,\n              59\n            ],\n            [\n              -135,\n              60\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a4fe4b07f02db6284fa","contributors":{"compilers":[{"text":"Cobb, Edward H.","contributorId":64689,"corporation":false,"usgs":true,"family":"Cobb","given":"Edward H.","affiliations":[],"preferred":false,"id":889900,"contributorType":{"id":3,"text":"Compilers"},"rank":1}]}}
,{"id":15648,"text":"ofr68229 - 1968 - Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska","interactions":[{"subject":{"id":15648,"text":"ofr68229 - 1968 - Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska","indexId":"ofr68229","publicationYear":"1968","noYear":false,"title":"Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":39672,"text":"pp625B - 1970 - Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska","indexId":"pp625B","publicationYear":"1970","noYear":false,"chapter":"B","title":"Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska"},"id":1}],"supersededBy":{"id":39672,"text":"pp625B - 1970 - Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska","indexId":"pp625B","publicationYear":"1970","noYear":false,"title":"Geology and lode-gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska"},"lastModifiedDate":"2023-07-24T20:55:05.501281","indexId":"ofr68229","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-229","title":"Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska","docAbstract":"<p>Nuka Bay is a deep, T-shaped fiord on the southeast coast of the Kenai Peninsula approximately 60 miles southwest of the port of Seward. Gold-bearing quartz veins were discovered in the area in 1918, and between 1920 and 1940 several small mines were in operation around the North and West Arms of the bay. Estimated total production may have been as much as $164,000.</p><p>Bedrock in the Nuka Bay area is a thick Cretaceous section of interbedded slate and graywacke that has been regionally deformed into a series of relatively open, but overturned, folds plunging at low angler to the north-northeast. Except at the folds, bedding and foliation (slaty cleavage) are parallel and dip steeply to the northwest. Small granodiorite dikes fill tensional cross joints in the folded sediments, and a few granodiorite sills are intruded along bedding and foliation planes.</p><p>Quartz veins are abundant throughout the region, but contain significant amounts of gold only in a relatively small area, 8 miles long and 6 miles wide, around North and West Arms. The veins are generally less than 5 feet wide and 300 feet long and consist chiefly of massive white quartz. Arsenopyrite with minor amounts of other sulfide&nbsp;and native gold occurs as irregular masses and pods in the quartz. The larger and more productive veins dip steeply and strike east-west, almost normal to the regional structure, and appear to be confined to competent graywacke beds or dikes. Random channel sampling of the quartz veins indicates gold values as high as 9 ounces per ton across zones as wide as 2 feet.</p><p>A study of the stream sediments throughout the area disclosed several drainages with detectable gold; one, Babcock Creek, contained 0.5 ppm gold, the others from 0.02 to 0.07 ppm. No base metal anomalies were detected. The area appears to warrant further investigation as a potential producer of small amounts of gold. Diligent smell-scale mining may be economically feasible.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr68229","usgsCitation":"Richter, D.H., 1968, Geology and lode gold deposits of the Nuka Bay area, Kenai Peninsula, Alaska: U.S. Geological Survey Open-File Report 68-229, iv, 52 p., https://doi.org/10.3133/ofr68229.","productDescription":"iv, 52 p.","costCenters":[],"links":[{"id":419268,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0229/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":146904,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0229/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Kenai Peninsula, Nuka Bay area","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -150.66230433486226,\n              59.562476930416636\n            ],\n            [\n              -150.66230433486226,\n              59.302789270633326\n            ],\n            [\n              -150.29991099261446,\n              59.302789270633326\n            ],\n            [\n              -150.29991099261446,\n              59.562476930416636\n            ],\n            [\n              -150.66230433486226,\n              59.562476930416636\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4ad9e4b07f02db685281","contributors":{"authors":[{"text":"Richter, Donald H.","contributorId":61021,"corporation":false,"usgs":true,"family":"Richter","given":"Donald","email":"","middleInitial":"H.","affiliations":[],"preferred":false,"id":171491,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":15594,"text":"ofr68223 - 1968 - Results of stream sediment sampling in parts of the southern Alaska Range","interactions":[],"lastModifiedDate":"2012-02-02T00:07:01","indexId":"ofr68223","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-223","title":"Results of stream sediment sampling in parts of the southern Alaska Range","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr68223","usgsCitation":"Reed, B.L., and Elliott, R.L., 1968, Results of stream sediment sampling in parts of the southern Alaska Range: U.S. Geological Survey Open-File Report 68-223, 18 p. ill., maps ;27 cm., https://doi.org/10.3133/ofr68223.","productDescription":"18 p. ill., maps ;27 cm.","costCenters":[],"links":[{"id":147713,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0223/report-thumb.jpg"},{"id":44554,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44555,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44556,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44557,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44558,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44559,"rank":405,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0223/plate-6.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":44560,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0223/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db60569b","contributors":{"authors":[{"text":"Reed, Bruce L.","contributorId":19928,"corporation":false,"usgs":true,"family":"Reed","given":"Bruce","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":171405,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Elliott, Raymond L.","contributorId":82667,"corporation":false,"usgs":true,"family":"Elliott","given":"Raymond","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":171406,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":14948,"text":"ofr68177 - 1968 - Platinum deposits of Alaska","interactions":[{"subject":{"id":14948,"text":"ofr68177 - 1968 - Platinum deposits of Alaska","indexId":"ofr68177","publicationYear":"1968","noYear":false,"title":"Platinum deposits of Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":6143,"text":"pp630 - 1969 - Economic geology of the platinum metals","indexId":"pp630","publicationYear":"1969","noYear":false,"title":"Economic geology of the platinum metals"},"id":1}],"supersededBy":{"id":6143,"text":"pp630 - 1969 - Economic geology of the platinum metals","indexId":"pp630","publicationYear":"1969","noYear":false,"title":"Economic geology of the platinum metals"},"lastModifiedDate":"2024-03-11T18:24:09.085363","indexId":"ofr68177","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-177","title":"Platinum deposits of Alaska","docAbstract":"<p>The placer deposits of the Goodnews Bay district in southwestern Alaska have yielded the only significant production of platinum metals in the United States, although small amounts of platinum metals have been produced from other deposits in Alaska and elsewhere in the United States. The Goodnews Bay deposits were described by Mertie in U.S. Geological Survey Bulletin 918 (1940). Many new data have been obtained since that time, and in order to make this information available in advance of publication, this report on Platinum deposits of Alaska has been placed on open-file.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr68177","usgsCitation":"Mertie, J.B., 1968, Platinum deposits of Alaska: U.S. Geological Survey Open-File Report 68-177, Report: 65 p.; 2 Plates: 18.76 x 29.82 inches and 17.15 x 20.88 inches, https://doi.org/10.3133/ofr68177.","productDescription":"Report: 65 p.; 2 Plates: 18.76 x 29.82 inches and 17.15 x 20.88 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,{"id":14036,"text":"ofr68123 - 1968 - Geochemical investigations at Antimony Creek antimony prospect, northern Talkeetna Mountains, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:06:53","indexId":"ofr68123","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-123","title":"Geochemical investigations at Antimony Creek antimony prospect, northern Talkeetna Mountains, Alaska","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr68123","usgsCitation":"Hawley, C.C., Meier, A.L., and Miller, R.L., 1968, Geochemical investigations at Antimony Creek antimony prospect, northern Talkeetna Mountains, Alaska: U.S. Geological Survey Open-File Report 68-123, 9 p. ill., maps ;27 cm., https://doi.org/10.3133/ofr68123.","productDescription":"9 p. ill., maps ;27 cm.","costCenters":[],"links":[{"id":111641,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/10774","linkFileType":{"id":5,"text":"html"}},{"id":147061,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6ae26e","contributors":{"authors":[{"text":"Hawley, C. C.","contributorId":102070,"corporation":false,"usgs":true,"family":"Hawley","given":"C.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":168829,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Meier, Allen L.","contributorId":14384,"corporation":false,"usgs":true,"family":"Meier","given":"Allen","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":168827,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Miller, Ralph L.","contributorId":74737,"corporation":false,"usgs":true,"family":"Miller","given":"Ralph","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":168828,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":13653,"text":"ofr68104 - 1968 - Descriptions of the Ruth Creek, Lillian Creek, Griffin, Old Smoky, Sunshine No. 2, and Olive Creek lode prospects, Livengood district, Alaska","interactions":[],"lastModifiedDate":"2021-10-27T20:03:16.651672","indexId":"ofr68104","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-104","title":"Descriptions of the Ruth Creek, Lillian Creek, Griffin, Old Smoky, Sunshine No. 2, and Olive Creek lode prospects, Livengood district, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/ofr68104","usgsCitation":"Foster, R.L., 1968, Descriptions of the Ruth Creek, Lillian Creek, Griffin, Old Smoky, Sunshine No. 2, and Olive Creek lode prospects, Livengood district, Alaska: U.S. Geological Survey Open-File Report 68-104, Report: 31 p.; 5 Plates: 30.04 × 17.33 inches or smaller, https://doi.org/10.3133/ofr68104.","productDescription":"Report: 31 p.; 5 Plates: 30.04 × 17.33 inches or smaller","costCenters":[],"links":[{"id":391033,"rank":8,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_8244.htm"},{"id":42180,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0104/report.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42179,"rank":404,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0104/plate-5.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42178,"rank":403,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0104/plate-4.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42177,"rank":402,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0104/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42176,"rank":401,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0104/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":42175,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0104/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":147302,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0104/report-thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Livengood district","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -148.550,\n              65.529\n            ],\n            [\n              -148.486,\n              65.529\n            ],\n            [\n              -148.486,\n              65.5\n            ],\n            [\n              -148.550,\n              65.5\n            ],\n            [\n              -148.550,\n              65.529\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aabe4b07f02db669cb6","contributors":{"authors":[{"text":"Foster, Robert Lutz","contributorId":87917,"corporation":false,"usgs":true,"family":"Foster","given":"Robert","email":"","middleInitial":"Lutz","affiliations":[],"preferred":false,"id":168180,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":13651,"text":"ofr68102 - 1968 - Reconnaissance geologic map of the Tanacross quadrangle, Alaska","interactions":[{"subject":{"id":13651,"text":"ofr68102 - 1968 - Reconnaissance geologic map of the Tanacross quadrangle, Alaska","indexId":"ofr68102","publicationYear":"1968","noYear":false,"title":"Reconnaissance geologic map of the Tanacross quadrangle, Alaska"},"predicate":"SUPERSEDED_BY","object":{"id":65211,"text":"i593 - 1970 - Reconnaissance geologic map of the Tanacross quadrangle, Alaska","indexId":"i593","publicationYear":"1970","noYear":false,"title":"Reconnaissance geologic map of the Tanacross quadrangle, Alaska"},"id":1}],"supersededBy":{"id":65211,"text":"i593 - 1970 - Reconnaissance geologic map of the Tanacross quadrangle, Alaska","indexId":"i593","publicationYear":"1970","noYear":false,"title":"Reconnaissance geologic map of the Tanacross quadrangle, Alaska"},"lastModifiedDate":"2022-03-24T18:27:37.651659","indexId":"ofr68102","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-102","title":"Reconnaissance geologic map of the Tanacross quadrangle, Alaska","docAbstract":"<p>No abstract available.</p>","language":"English","publisher":"U.S. Geological Survey,","doi":"10.3133/ofr68102","usgsCitation":"Foster, H.L., 1968, Reconnaissance geologic map of the Tanacross quadrangle, Alaska: U.S. Geological Survey Open-File Report 68-102, Report: 12 p.; 3 Plates: 30.25 × 24.61 inches or smaller, https://doi.org/10.3133/ofr68102.","productDescription":"Report: 12 p.; 3 Plates: 30.25 × 24.61 inches or smaller","costCenters":[],"links":[{"id":147300,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":111640,"rank":100,"type":{"id":15,"text":"Index Page"},"url":"https://www.dggs.dnr.state.ak.us/pubs/id/10770","linkFileType":{"id":5,"text":"html"}},{"id":390699,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_8242.htm"}],"country":"United States","state":"Alaska","otherGeospatial":"Tanacross quadrangle","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"type\": \"Polygon\",\n        \"coordinates\": [\n          [\n            [\n              -144,\n              63\n            ],\n            [\n              -141,\n              63\n            ],\n            [\n              -141,\n              64\n            ],\n            [\n              -144,\n              64\n            ],\n            [\n              -144,\n              63\n            ]\n          ]\n        ]\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a74e4b07f02db64482e","contributors":{"authors":[{"text":"Foster, Helen Laura","contributorId":21936,"corporation":false,"usgs":true,"family":"Foster","given":"Helen","email":"","middleInitial":"Laura","affiliations":[],"preferred":false,"id":168178,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}}
,{"id":13639,"text":"ofr68101 - 1968 - Gold gradients and anomalies in the Pedro Dome-Cleary Summit area, Fairbanks district, Alaska","interactions":[],"lastModifiedDate":"2012-02-02T00:06:52","indexId":"ofr68101","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-101","title":"Gold gradients and anomalies in the Pedro Dome-Cleary Summit area, Fairbanks district, Alaska","docAbstract":"Anomalous gold values have been discovered in hydrothermally altered quartz diorite, quartz monzonite, and quartz mica schist at the head of Fox Creek; and in similarly altered quartz diorite in the Granite Creek area. Channel samples across some of these altered zones have produced anomalous gold values over widths which merit further investigation as potential large tonnage low-grade gold deposits.\r\n\r\nTrace gold gradients have also been detected in the wall rocks adjacent to mineralized veins and in hydrothermal alteration zones in the Pedro Dome-Cleary Summit area. Although most of the gradients may not materially increase the mineable width of the deposit under current economic conditions, such gradients can be used to locate auriferous quartz veins and altered zones by geochemical methods. Gold enrichment is accompanied by anomalous concentrations of arsenic and antimony, and gold bearing quartz veins and altered zones are frequently signaled by peripheral haloes of these metals before trace gold is detectable. Hydrothermally altered and/or sheared zones in both granitic and metamorphic rocks should be carefully prospected, along the trend of the Cleary Antiform.","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr68101","usgsCitation":"Forbes, R., Pilkington, H., and Hawkins, D.B., 1968, Gold gradients and anomalies in the Pedro Dome-Cleary Summit area, Fairbanks district, Alaska: U.S. Geological Survey Open-File Report 68-101, 49 p. ill., maps ;27 cm., https://doi.org/10.3133/ofr68101.","productDescription":"49 p. ill., maps ;27 cm.","costCenters":[],"links":[{"id":147255,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0101/report-thumb.jpg"},{"id":42164,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0101/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4abde4b07f02db6741ef","contributors":{"authors":[{"text":"Forbes, Robert B.","contributorId":48984,"corporation":false,"usgs":true,"family":"Forbes","given":"Robert B.","affiliations":[],"preferred":false,"id":168154,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Pilkington, H.D.","contributorId":77942,"corporation":false,"usgs":true,"family":"Pilkington","given":"H.D.","email":"","affiliations":[],"preferred":false,"id":168155,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hawkins, D. B.","contributorId":43366,"corporation":false,"usgs":true,"family":"Hawkins","given":"D.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":168153,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":13502,"text":"ofr6894 - 1968 - Results of stream-sediment sampling between Windy Fork and Post River, southern Alaska Range","interactions":[],"lastModifiedDate":"2012-02-02T00:06:37","indexId":"ofr6894","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1968","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":"68-94","title":"Results of stream-sediment sampling between Windy Fork and Post River, southern Alaska Range","language":"ENGLISH","publisher":"U.S. Geological Survey],","doi":"10.3133/ofr6894","usgsCitation":"Elliott, R.L., and Reed, B.L., 1968, Results of stream-sediment sampling between Windy Fork and Post River, southern Alaska Range: U.S. Geological Survey Open-File Report 68-94, 4 p. ill., maps ;27 cm., https://doi.org/10.3133/ofr6894.","productDescription":"4 p. ill., maps ;27 cm.","costCenters":[],"links":[{"id":144586,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/of/1968/0094/report-thumb.jpg"},{"id":41977,"rank":400,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/of/1968/0094/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":41978,"rank":300,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/of/1968/0094/report.pdf","linkFileType":{"id":1,"text":"pdf"}}],"noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a19e4b07f02db6056bb","contributors":{"authors":[{"text":"Elliott, Raymond L.","contributorId":82667,"corporation":false,"usgs":true,"family":"Elliott","given":"Raymond","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":167908,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Reed, Bruce L.","contributorId":19928,"corporation":false,"usgs":true,"family":"Reed","given":"Bruce","email":"","middleInitial":"L.","affiliations":[],"preferred":false,"id":167907,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
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