No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf828","usgsCitation":"Knebel, H., 1976, Maps and graphic data related to geologic hazards in the Baltimore Canyon trough area: U.S. Geological Survey Miscellaneous Field Studies Map 828, 3 Plates: 39.38 x 48.16 inches or smaller, https://doi.org/10.3133/mf828.","productDescription":"3 Plates: 39.38 x 48.16 inches or smaller","costCenters":[],"links":[{"id":363895,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0828/plate-2.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":363896,"rank":4,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0828/plate-3.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":182078,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0828/report-thumb.jpg"},{"id":363893,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0828/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":486095,"rank":5,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3998.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"1000000","country":"United States","otherGeospatial":"Baltimore Canyon trough area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -76,\n 42\n ],\n [\n -76,\n 37\n ],\n [\n -71,\n 37\n ],\n [\n -71,\n 42\n ],\n [\n -76,\n 42\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b0be4b07f02db69d6aa","contributors":{"authors":[{"text":"Knebel, H.J.","contributorId":79092,"corporation":false,"usgs":true,"family":"Knebel","given":"H.J.","affiliations":[],"preferred":false,"id":259654,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":58443,"text":"mf775 - 1976 - Geologic map of the Pueblo 1 degree by 2 degrees Quadrangle, south-central Colorado","interactions":[],"lastModifiedDate":"2012-02-10T00:10:11","indexId":"mf775","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"775","title":"Geologic map of the Pueblo 1 degree by 2 degrees Quadrangle, south-central Colorado","language":"ENGLISH","doi":"10.3133/mf775","usgsCitation":"Scott, G., Taylor, R.B., Epis, R., and Wobus, R.A., 1976, Geologic map of the Pueblo 1 degree by 2 degrees Quadrangle, south-central Colorado: U.S. Geological Survey Miscellaneous Field Studies Map 775, 1 map ;58 x 93 cm. on sheet 74 x 100 cm. folded to 18 x 25 cm. in envelope 24 x 30 cm. +legend (76 x 88 cm.), https://doi.org/10.3133/mf775.","productDescription":"1 map ;58 x 93 cm. on sheet 74 x 100 cm. folded to 18 x 25 cm. in envelope 24 x 30 cm. +legend (76 x 88 cm.)","costCenters":[],"links":[{"id":104278,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3946.htm","linkFileType":{"id":5,"text":"html"},"description":"3946"},{"id":181851,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"}],"scale":"87500","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -106,38 ], [ -106,39 ], [ -104,39 ], [ -104,38 ], [ -106,38 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4aefe4b07f02db6914f3","contributors":{"authors":[{"text":"Scott, G. R.","contributorId":61398,"corporation":false,"usgs":true,"family":"Scott","given":"G. R.","affiliations":[],"preferred":false,"id":259222,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Taylor, R. B.","contributorId":65065,"corporation":false,"usgs":true,"family":"Taylor","given":"R.","email":"","middleInitial":"B.","affiliations":[],"preferred":false,"id":259223,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Epis, R.C.","contributorId":10018,"corporation":false,"usgs":true,"family":"Epis","given":"R.C.","affiliations":[],"preferred":false,"id":259221,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wobus, R. A.","contributorId":70745,"corporation":false,"usgs":true,"family":"Wobus","given":"R.","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":259224,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":60740,"text":"mf750 - 1976 - Reconnaissance geologic map of pre-Cenozoic basement rocks, northern Santa Lucia Range, Monterey County, California","interactions":[],"lastModifiedDate":"2013-08-01T13:19:32","indexId":"mf750","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"750","title":"Reconnaissance geologic map of pre-Cenozoic basement rocks, northern Santa Lucia Range, Monterey County, California","language":"ENGLISH","doi":"10.3133/mf750","usgsCitation":"Ross, D.C., 1976, Reconnaissance geologic map of pre-Cenozoic basement rocks, northern Santa Lucia Range, Monterey County, California: U.S. Geological Survey Miscellaneous Field Studies Map 750, 7 maps on 2 sheets ;sheets 68 x 101 cm. +text (7 p.), https://doi.org/10.3133/mf750.","productDescription":"7 maps on 2 sheets ;sheets 68 x 101 cm. +text (7 p.)","costCenters":[],"links":[{"id":102051,"rank":700,"type":{"id":15,"text":"Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_458.htm","linkFileType":{"id":5,"text":"html"},"description":"458"},{"id":182852,"rank":0,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0750/report-thumb.jpg"},{"id":275744,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/mf/0750/report.pdf"}],"scale":"0","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -122,36 ], [ -122,36.666666666666664 ], [ -121.5,36.666666666666664 ], [ -121.5,36 ], [ -122,36 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a73e4b07f02db6435b5","contributors":{"authors":[{"text":"Ross, D. C.","contributorId":103681,"corporation":false,"usgs":true,"family":"Ross","given":"D.","email":"","middleInitial":"C.","affiliations":[],"preferred":false,"id":264324,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":58392,"text":"mf767I - 1976 - Geochemical maps showing the distribution and abundance of zinc in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-05-31T15:42:10.013224","indexId":"mf767I","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"I","title":"Geochemical maps showing the distribution and abundance of zinc in the Tanacross Quadrangle, Alaska","docAbstract":"This series of geochemical maps shows the distribution of zinc in four sample media: (A) the oxide residue (oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh steam sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The map symbols show sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denote strongly anomalous values. Because the small black symbols represent weakly anomalous values, we consider them to be significant only where they correlate with strongly anomalous metal values either in the same or in other sample media. The ranges of values represented by the symbols are shown on the histograms that accompany the geochemical maps. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies the folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976.)
This series of geochemical maps shows the distribution of tin in three sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, and (C) the ash of aquatic bryophytes (mosses). The geochemical data are plotted on a base map that shows generalized geology and the drainage pattern. The map symbols show the sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denotes strongly anomalous values. Because the small black symbols represent weakly anomalous values, they are considered to be significant only where they correlate with strongly anomalous metal values either in the same or other sample media. The ranges of values were determined from the histograms and other statistical data shown for each of the sample media. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies this folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767K","usgsCitation":"Curtin, G., Day, G., Marsh, S., O’Leary, R.M., and Tripp, R.B., 1976, Geochemical maps showing the distribution and abundance of tin in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plates: 39.53 x 30.76 inches, https://doi.org/10.3133/mf767K.","productDescription":"1 Plates: 39.53 x 30.76 inches","costCenters":[],"links":[{"id":415967,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-K/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":184083,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-K/report-thumb.jpg"}],"scale":"500000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adf27","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":259002,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":259000,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":258998,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258999,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":259001,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":58389,"text":"mf767G - 1976 - Geochemical maps showing the distribution and abundance of molybdenum in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-17T19:28:44.156465","indexId":"mf767G","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"G","title":"Geochemical maps showing the distribution and abundance of molybdenum in the Tanacross Quadrangle, Alaska","docAbstract":"This series of geochemical maps shows the distribution of molybdenum in four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The molybdenum data are plotted on base maps showing generalized geology and the drainage pattern. The map symbols show the sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denotes strongly anomalous values. Because the small black symbols represent weakly anomalous values, they are considered to be significant only where they are closely associated with strongly anomalous metal values either in the same sample medium or with anomalous values in other sample media. The ranges of values represented by the symbols are shown on the histograms which accompany the geochemical maps. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies this folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767G","usgsCitation":"Curtin, G., Day, G., Carten, R., Marsh, S., and Tripp, R.B., 1976, Geochemical maps showing the distribution and abundance of molybdenum in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 44.04 x 31.37 inches, https://doi.org/10.3133/mf767G.","productDescription":"1 Plate: 44.04 x 31.37 inches","costCenters":[],"links":[{"id":415872,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-G/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":184081,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-G/report-thumb.jpg"}],"scale":"500000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adf2f","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258993,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258991,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carten, R.B.","contributorId":45770,"corporation":false,"usgs":true,"family":"Carten","given":"R.B.","email":"","affiliations":[],"preferred":false,"id":869755,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":258989,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":258992,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":58388,"text":"mf767H - 1976 - Geochemical maps showing the distribution and abundance of lead in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-18T20:59:20.400969","indexId":"mf767H","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"H","title":"Geochemical maps showing the distribution and abundance of lead in the Tanacross Quadrangle, Alaska","docAbstract":"This series of geochemical maps shows the distribution of lead in four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The geochemical data are plotted on base maps showing generalized geology and the drainage pattern. The map symbols show the sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denotes strongly anomalous values. Because the small black symbols represent weakly anomalous values, they are considered to be significant only where they are closely associated with strongly anomalous metal values either in the same sample medium or with anomalous values in other sample media. The ranges of values represented by the symbols are shown on the histograms which accompany the geochemical maps. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies this folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767H","usgsCitation":"Curtin, G., Day, G., O’Leary, R.M., Marsh, S., and Tripp, R.B., 1976, Geochemical maps showing the distribution and abundance of lead in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 43.92 x 31.04 inches, https://doi.org/10.3133/mf767H.","productDescription":"1 Plate: 43.92 x 31.04 inches","costCenters":[],"links":[{"id":415957,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-H/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":183999,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-H/report-thumb.jpg"}],"scale":"500000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adf3d","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258988,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258986,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":869803,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":258984,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":258987,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":58387,"text":"mf767F - 1976 - Geochemical maps showing the distribution and abundance of copper in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-17T19:20:38.410025","indexId":"mf767F","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"F","title":"Geochemical maps showing the distribution and abundance of copper in the Tanacross Quadrangle, Alaska","docAbstract":"This series of geochemical maps shows the distribution of copper in four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The copper data are plotted on base maps showing generalized geology and the drainage pattern. The map symbols show the sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denotes strongly anomalous values. Because the small black symbols represent weakly anomalous values, they are considered to be significant only where they are closely associated with strongly anomalous metal values either in the same sample medium or with anomalous values in other sample media. The ranges of values represented by the symbols are shown on the histograms which accompany the geochemical maps. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies this folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767F","usgsCitation":"Singer, D., Curtin, G., and Foster, H., 1976, Geochemical maps showing the distribution and abundance of copper in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 43.82 x 31.92 inches, https://doi.org/10.3133/mf767F.","productDescription":"1 Plate: 43.82 x 31.92 inches","costCenters":[],"links":[{"id":415863,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-F/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":183998,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-F/report-thumb.jpg"}],"scale":"500000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adf52","contributors":{"authors":[{"text":"Singer, D.A.","contributorId":69128,"corporation":false,"usgs":true,"family":"Singer","given":"D.A.","email":"","affiliations":[],"preferred":false,"id":258982,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258983,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Foster, H.L.","contributorId":34894,"corporation":false,"usgs":true,"family":"Foster","given":"H.L.","email":"","affiliations":[],"preferred":false,"id":258981,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":58386,"text":"mf767L - 1976 - Geochemical maps showing the distribution and abundance of beryllium in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-18T21:00:38.828159","indexId":"mf767L","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"L","title":"Geochemical maps showing the distribution and abundance of beryllium in the Tanacross Quadrangle, Alaska","docAbstract":"This series of geochemical maps shows the distribution of beryllium in three sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, and (C) the ash of aquatic bryophytes (mosses). The geochemical data are plotted on a base map that shows generalized geology and the drainage pattern. The map symbols show the sample sites and ranges of values in the following manner: (1) open symbols denote background, (2) small black symbols represent weakly anomalous values, and (3) large black symbols denotes strongly anomalous values. Because the small black symbols represent weakly anomalous values, they are considered to be significant only where they correlate with strongly anomalous metal values either in the same or in other sample media. The ranges of values represented by the map symbols are shown on the histograms that accompany the geochemical maps. An explanation of sampling, preparation, and analytical procedures is given in Circular 734, which accompanies this folio. Complete analytical data for geochemical samples collected by the U.S. Geological Survey in the Tanacross quadrangle are available in a U.S. Geological Survey open-file report (O'Leary and others, 1976).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767L","usgsCitation":"Curtin, G., Day, G., Marsh, S., and Tripp, R.B., 1976, Geochemical maps showing the distribution and abundance of beryllium in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 38.95 x 31.26 inches, https://doi.org/10.3133/mf767L.","productDescription":"1 Plate: 38.95 x 31.26 inches","costCenters":[],"links":[{"id":183997,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-L/report-thumb.jpg"},{"id":415959,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-L/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"500000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b23e4b07f02db6adf4d","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258980,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258978,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":258977,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":258979,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58350,"text":"mf773J - 1976 - Distribution and abundance of molybdenum in bedrock, mineralized, vein and altered rock samples, McCarthy quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-05-16T15:24:21.731678","indexId":"mf773J","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"773","chapter":"J","title":"Distribution and abundance of molybdenum in bedrock, mineralized, vein and altered rock samples, McCarthy quadrangle, Alaska","docAbstract":"A geochemical survey was conducted in the McCarthy quadrangle Alaska, to identify areas containing anomalous concentrations of various metallic and nonmetallic elements. This study incorporates the results of analyses for molybdenum from 825 rock samples collected in the quadrangle, and analyzed by the U.S. Geological Survey between 1961 and 1976 using semi-quantitative emission spectrophotometry. The samples included both unaltered and hydrothermally altered rocks. The hydrothermally altered rock consists of ore grade materials, gossans, fault gouge, vein materials, silica-rich boxworks, veins adjacent to faults, and fracture surfaces showing evidence of mineralization. Therefore, the analytical data set may be considered representative of most rock types known to occur in the study area.
The accompanying map shows the distribution and relative abundance of molybdenum in rocks collected. Geochemical analyses have been grouped and are represented by symbols on a base map, which includes topography and generalized geology. The range of analytical values and the symbol that represents it are shown on the histogram. Graphical representation of analytical values on the map permits easy observation of any large variation resulting from separate or duplicate samples collected at the same or nearby localites. All samples were crushed and ground to pass through a 180 micron opening sieve before being analyzed.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf773J","usgsCitation":"Robinson, K., McDougal, C.M., McDanal, S., and Billings, T., 1976, Distribution and abundance of molybdenum in bedrock, mineralized, vein and altered rock samples, McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 773, 1 Plate: 52.15 x 30.92 inches, https://doi.org/10.3133/mf773J.","productDescription":"1 Plate: 52.15 x 30.92 inches","costCenters":[],"links":[{"id":417058,"rank":3,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0773-J/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":183974,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0773-J/report-thumb.jpg"},{"id":406867,"rank":2,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3939.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"McCarthy quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,61 ], [ -144,62 ], [ -141,62 ], [ -141,61 ], [ -144,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a04d","contributors":{"authors":[{"text":"Robinson, Keith","contributorId":80277,"corporation":false,"usgs":true,"family":"Robinson","given":"Keith","affiliations":[],"preferred":false,"id":258837,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McDougal, C. M.","contributorId":21129,"corporation":false,"usgs":true,"family":"McDougal","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258836,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McDanal, S.K.","contributorId":108078,"corporation":false,"usgs":true,"family":"McDanal","given":"S.K.","email":"","affiliations":[],"preferred":false,"id":258839,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Billings, Theodore","contributorId":92751,"corporation":false,"usgs":true,"family":"Billings","given":"Theodore","affiliations":[],"preferred":false,"id":258838,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58349,"text":"mf773G - 1976 - Distribution and abundance of lead in stream sediments and moraine debris, McCarthy Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-21T16:54:13.993632","indexId":"mf773G","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"773","chapter":"G","title":"Distribution and abundance of lead in stream sediments and moraine debris, McCarthy Quadrangle, Alaska","docAbstract":"A geochemical survey was conducted in the McCarthy quadrangle, Alaska, to identify areas containing anomalous concentrations of various metallic and nonmetallic elements. This study incorporates the results of analyses for lead, from 1,453 stream sediment and glacial moraine debris samples collected in the quadrangle, and analyzed by the U.S. Geological Survey between 1961 and 1976 using semiquantitative emission spectrophotometry. In addition, the study includes most of the analytical results of the samples of stream sediment from the White River area, located in the northwestern part of the quadrangle, which were collected and analyzed by the Alaska Division of Mines and Geology (Knaebel, 1971).
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf773G","usgsCitation":"Robinson, K., McDougal, C.M., Day, G., and Billings, T., 1976, Distribution and abundance of lead in stream sediments and moraine debris, McCarthy Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 773, 1 Plate: 52.37 x 31.04 inches, https://doi.org/10.3133/mf773G.","productDescription":"1 Plate: 52.37 x 31.04 inches","costCenters":[],"links":[{"id":416131,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0773-G/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":183896,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0773-G/report-thumb.jpg"}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"McCarthy Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,61 ], [ -144,62 ], [ -141,62 ], [ -141,61 ], [ -144,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a05f","contributors":{"authors":[{"text":"Robinson, Keith","contributorId":80277,"corporation":false,"usgs":true,"family":"Robinson","given":"Keith","affiliations":[],"preferred":false,"id":258834,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McDougal, C. M.","contributorId":21129,"corporation":false,"usgs":true,"family":"McDougal","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258832,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258833,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Billings, Theodore","contributorId":92751,"corporation":false,"usgs":true,"family":"Billings","given":"Theodore","affiliations":[],"preferred":false,"id":258835,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58348,"text":"mf773H - 1976 - Distribution and abundance of gold in stream sediments and moraine debris, McCarthy quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-05-17T13:18:27.243772","indexId":"mf773H","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"773","chapter":"H","title":"Distribution and abundance of gold in stream sediments and moraine debris, McCarthy quadrangle, Alaska","docAbstract":"A geochemical survey was conducted in the McCarthy quadrangle Alaska, to identify areas containing anomalous concentrations of various metallic and nonmetallic elements. This study incorporates the results of analyses for gold from 764 stream sediment and glacial moraine debris samples collected in the quadrangle, and analyzed by the U.S. Geological Survey between 1961 and 1976 using atomic absorption spectrophotometry. No analytical results for gold are available for stream sediment samples from the White River area, located in the northeastern part of the quadrangle.
The accompanying map shows the distribution and relative abundance of gold in stream sediment and glacial moraine debris samples. Geochemical analyses have been grouped and are represented by symbols on a base map, which includes topography and generalized geology. The range of analytical values and the symbol that represents it are shown on the histogram. Graphical representation of analytical values on the map permits easy observation of any large variation resulting from separate or duplicate samples collected at the same or nearby localites.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf773H","usgsCitation":"Robinson, K., O’Leary, R.M., McDougal, C.M., and Billings, T., 1976, Distribution and abundance of gold in stream sediments and moraine debris, McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 773, 1 Plate: 52.08 x 30.92 inches, https://doi.org/10.3133/mf773H.","productDescription":"1 Plate: 52.08 x 30.92 inches","costCenters":[],"links":[{"id":417048,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0773-H/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":183895,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0773-H/report-thumb.jpg"},{"id":417094,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3937.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"McCarthy quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,61 ], [ -144,62 ], [ -141,62 ], [ -141,61 ], [ -144,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a0a5","contributors":{"authors":[{"text":"Robinson, Keith","contributorId":80277,"corporation":false,"usgs":true,"family":"Robinson","given":"Keith","affiliations":[],"preferred":false,"id":258830,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258829,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McDougal, C. M.","contributorId":21129,"corporation":false,"usgs":true,"family":"McDougal","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258828,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Billings, Theodore","contributorId":92751,"corporation":false,"usgs":true,"family":"Billings","given":"Theodore","affiliations":[],"preferred":false,"id":258831,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58345,"text":"mf773M - 1976 - Distribution and abundance of arsenic in bedrock, mineralized, vein, and altered rock samples, McCarthy quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-05-16T15:18:43.34109","indexId":"mf773M","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"773","chapter":"M","title":"Distribution and abundance of arsenic in bedrock, mineralized, vein, and altered rock samples, McCarthy quadrangle, Alaska","docAbstract":"A geochemical survey was conducted in the McCarthy quadrangle Alaska, to identify areas containing anomalous concentrations of various metallic and nonmetallic elements. This study incorporates the results of analyses for arsenic from 827 rock samples collected in the quadrangle, and analyzed by the U.S. Geological Survey between 1961 and 1976 using semiquantitative emission spectrophotometry. The samples included both unaltered and hydrothermally altered rocks. The hydrothermally altered rock consist of ore grade material, gossans, fault gouge, vein materials, silica-rich boxworks, veins adjacent to faults, and fracture surfaces showing evidence of mineralization. Therefore, the analytical data set may be considered representative of most rock types known to occur in the study area.
The accompanying map shows the distribution and relative abundance of arsenic in rocks collected. Geochemical analyses have been grouped and are represented by symbols on a base map, which includes topography and generalized geology. The range of analytical values and the symbol that represents it are shown on the histogram. Graphical representation of analytical values on the map permits easy observation of any large variation resulting from separate or duplicate samples collected at the same or nearby localites. All samples were crushed and ground to pass through a 180 micron opening sieve before being analyzed.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf773M","usgsCitation":"Robinson, K., McDougal, C.M., O’Leary, R.M., and Billings, T., 1976, Distribution and abundance of arsenic in bedrock, mineralized, vein, and altered rock samples, McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 773, 1 Plate: 51.94 x 30.54 inches, https://doi.org/10.3133/mf773M.","productDescription":"1 Plate: 51.94 x 30.54 inches","costCenters":[],"links":[{"id":417092,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3942.htm","linkFileType":{"id":5,"text":"html"}},{"id":183892,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0773-M/report-thumb.jpg"},{"id":417050,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0773-M/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"McCarthy quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,61 ], [ -144,62 ], [ -141,62 ], [ -141,61 ], [ -144,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a143","contributors":{"authors":[{"text":"Robinson, Keith","contributorId":80277,"corporation":false,"usgs":true,"family":"Robinson","given":"Keith","affiliations":[],"preferred":false,"id":258818,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McDougal, C. M.","contributorId":21129,"corporation":false,"usgs":true,"family":"McDougal","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258816,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258817,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Billings, Theodore","contributorId":92751,"corporation":false,"usgs":true,"family":"Billings","given":"Theodore","affiliations":[],"preferred":false,"id":258819,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58344,"text":"mf773I - 1976 - Distribution and abundance of arsenic and mercury in stream sediments and moraine debris, McCarthy quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-05-16T15:20:13.521801","indexId":"mf773I","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"773","chapter":"I","title":"Distribution and abundance of arsenic and mercury in stream sediments and moraine debris, McCarthy quadrangle, Alaska","docAbstract":"A geochemical survey was conducted in the McCarthy quadrangle Alaska, to identify areas containing anomalous concentrations of various metallic and nonmetallic elements. This study incorporates the results of analyses for arsenic and mercury from 426 and 424 stream sediment and glacial moraine debris samples collected in the quadrangle, and analyzed by the U.S. Geological Survey between 1961 and 1976 using atomic absorption spectrophotometry. No analytical results for arsenic and mercury are available for stream sediment samples from the White River area, located in the northeastern part of the quadrangle.
The accompanying map shows the distribution and relative abundance of arsenic and mercury in stream sediment and glacial moraine debris samples. Geochemical analyses have been grouped and are represented by symbols on a base map, which includes topography and generalized geology. The range of analytical values and the symbol that represents it are shown on the histogram. Graphical representation of analytical values on the map permits easy observation of any large variation resulting from separate or duplicate samples collected at the same or nearby localites.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf773I","usgsCitation":"Robinson, K., O’Leary, R.M., McDougal, C.M., and Billings, T., 1976, Distribution and abundance of arsenic and mercury in stream sediments and moraine debris, McCarthy quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 773, 1 Plate: 52.21 x 36.18 inches, https://doi.org/10.3133/mf773I.","productDescription":"1 Plate: 52.21 x 36.18 inches","costCenters":[],"links":[{"id":417093,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3938.htm"},{"id":183891,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0773-I/report-thumb.jpg"},{"id":417052,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0773-I/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"McCarthy quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,61 ], [ -144,62 ], [ -141,62 ], [ -141,61 ], [ -144,61 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4a81e4b07f02db64a13b","contributors":{"authors":[{"text":"Robinson, Keith","contributorId":80277,"corporation":false,"usgs":true,"family":"Robinson","given":"Keith","affiliations":[],"preferred":false,"id":258814,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258813,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McDougal, C. M.","contributorId":21129,"corporation":false,"usgs":true,"family":"McDougal","given":"C.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258812,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Billings, Theodore","contributorId":92751,"corporation":false,"usgs":true,"family":"Billings","given":"Theodore","affiliations":[],"preferred":false,"id":258815,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":58341,"text":"mf767N - 1976 - Composite geochemical map of anomalous lead and zinc distribution in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-21T16:46:25.120755","indexId":"mf767N","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"N","title":"Composite geochemical map of anomalous lead and zinc distribution in the Tanacross Quadrangle, Alaska","docAbstract":"This geochemical map shows drainage basins in which either anomalous lead, zinc, or both lead and zinc values were detected in at least one of four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The anomaly patterns were derived from the point-plot maps of lead and zinc distribution in the individual sample media. (Curtin, Day, O'Leary, Marsh, and Tripp, 1976a, b). Background data were disregarded for each of the two metals. Weakly anomalous data for all media (small black symbols) were assigned the number 2; strongly anomalous data for all media (large black symbols) were assigned the number 3. These new data were then summed or \"stacked\" for each metal so that all sites showing anomalous values in one or more of the sample media had a numerical rating that ranged from 2 (weakly anomalous value in one sample media) to a possible 12 (strongly anomalous values in all four sample media). The summed data were ranked into the three groups shown in the explanation. The drainage basins showing anomalous values were outlined according to these groups. As a final step the composite lead anomaly map was then superimposed on that of zinc to give this composite lead-zinc map.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767N","usgsCitation":"Curtin, G., Day, G., O’Leary, R.M., Tripp, R.B., and Carten, R., 1976, Composite geochemical map of anomalous lead and zinc distribution in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 38.47 x 25.02 inches, https://doi.org/10.3133/mf767N.","productDescription":"1 Plate: 38.47 x 25.02 inches","costCenters":[],"links":[{"id":416125,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-N/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":184543,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-N/report-thumb.jpg"}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a82a4","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258801,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258799,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258798,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":258800,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Carten, R.B.","contributorId":45770,"corporation":false,"usgs":true,"family":"Carten","given":"R.B.","email":"","affiliations":[],"preferred":false,"id":870170,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":60753,"text":"mf785 - 1976 - Free-air gravity anomaly map of the eastern Chukchi and southern Beaufort seas","interactions":[],"lastModifiedDate":"2023-05-16T15:29:38.690128","indexId":"mf785","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"785","title":"Free-air gravity anomaly map of the eastern Chukchi and southern Beaufort seas","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf785","usgsCitation":"Ruppel, B.D., and McHendrie, A.G., 1976, Free-air gravity anomaly map of the eastern Chukchi and southern Beaufort seas: U.S. Geological Survey Miscellaneous Field Studies Map 785, 1 Plate: 33.90 x 21.57 inches, https://doi.org/10.3133/mf785.","productDescription":"1 Plate: 33.90 x 21.57 inches","costCenters":[],"links":[{"id":417053,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0785/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":182313,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0785/report-thumb.jpg"},{"id":417095,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3956.htm","linkFileType":{"id":5,"text":"html"}}],"country":"United States","state":"Alaska","otherGeospatial":"Chukchi Sea, Beaufort Sea","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -175,66 ], [ -175,72 ], [ -135,72 ], [ -135,66 ], [ -175,66 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a8688","contributors":{"authors":[{"text":"Ruppel, Byron D.","contributorId":64254,"corporation":false,"usgs":true,"family":"Ruppel","given":"Byron","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":264345,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McHendrie, A. Graig","contributorId":13635,"corporation":false,"usgs":true,"family":"McHendrie","given":"A.","email":"","middleInitial":"Graig","affiliations":[],"preferred":false,"id":264346,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":58340,"text":"mf767M - 1976 - Composite geochemical map of anomalous copper and molybdenum distribution in the Tanacross Quadrangle, Alaska","interactions":[],"lastModifiedDate":"2023-04-18T21:01:30.554693","indexId":"mf767M","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"767","chapter":"M","title":"Composite geochemical map of anomalous copper and molybdenum distribution in the Tanacross Quadrangle, Alaska","docAbstract":"This geochemical map delineates drainage basins in which either anomalous copper, molybdenum, or both copper and molybdenum were detected in at least one of four sample media: (A) the oxide residue (the oxalic-acid-leachable fraction) of the stream sediment, (B) the minus-80-mesh stream sediment, (C) the ash of streambank sod (mixed organic and inorganic material) collected beneath the water level, and (D) the ash of aquatic bryophytes (mosses). The anomaly patterns were derived from the point-plot maps of copper and molybdenum distribution in the individual sample media (Curtain, Day, O'Leary, Marsh, and Tripp, 1976; Curtain, Day, Carten, Marsh, and Tripp, 1976). Background data were disregarded for each of the two metals. Weakly anomalous data for all media (small black symbols) were assigned the number 2; strongly anomalous data for all media (large black symbols) were assigned the number 3. These new data were then summed or \"stacked\" for each metal so that all sites showing anomalous values in one or more of the sample media had a numerical rating that ranged from 2 (weakly anomalous value in one sample medium) to a possible 12 (strongly anomalous values in all four sample media). The summed data were ranked into three groups shown in the explanation. The drainage basins showing anomalous values were outlined according to these groups. As a final step the composite copper anomaly map was superimposed on that of molybdenum to give this composite copper-molybdenum map.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf767M","usgsCitation":"Curtin, G., Day, G., O’Leary, R.M., Marsh, S., and Tripp, R.B., 1976, Composite geochemical map of anomalous copper and molybdenum distribution in the Tanacross Quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map 767, 1 Plate: 38.52 x 25.19 inches, https://doi.org/10.3133/mf767M.","productDescription":"1 Plate: 38.52 x 25.19 inches","costCenters":[],"links":[{"id":184542,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/mf/0767-M/report-thumb.jpg"},{"id":415960,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0767-M/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}}],"scale":"250000","country":"United States","state":"Alaska","otherGeospatial":"Tanacross Quadrangle","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -144,63 ], [ -144,64 ], [ -141,64 ], [ -141,63 ], [ -144,63 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b1ae4b07f02db6a82a1","contributors":{"authors":[{"text":"Curtin, G.C.","contributorId":89501,"corporation":false,"usgs":true,"family":"Curtin","given":"G.C.","email":"","affiliations":[],"preferred":false,"id":258796,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Day, G.W.","contributorId":63363,"corporation":false,"usgs":true,"family":"Day","given":"G.W.","email":"","affiliations":[],"preferred":false,"id":258794,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Leary, R. M.","contributorId":44894,"corporation":false,"usgs":true,"family":"O’Leary","given":"R.","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":258793,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Marsh, S.P.","contributorId":32913,"corporation":false,"usgs":true,"family":"Marsh","given":"S.P.","email":"","affiliations":[],"preferred":false,"id":258792,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Tripp, R. B.","contributorId":88707,"corporation":false,"usgs":true,"family":"Tripp","given":"R.","middleInitial":"B.","affiliations":[],"preferred":false,"id":258795,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":60080,"text":"mf752G - 1976 - Aeromagnetic map of Atlantic continental margin quadrangle N36-W74","interactions":[],"lastModifiedDate":"2023-01-12T20:33:18.660036","indexId":"mf752G","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"752","chapter":"G","title":"Aeromagnetic map of Atlantic continental margin quadrangle N36-W74","docAbstract":"No abstract available.
","language":"English","publisher":"U.S. Geological Survey","doi":"10.3133/mf752G","usgsCitation":"Water Resources Division, U.S. Geological Survey, 1976, Aeromagnetic map of Atlantic continental margin quadrangle N36-W74: U.S. Geological Survey Miscellaneous Field Studies Map 752, 1 Plate: 31.77 x 44.50 inches, https://doi.org/10.3133/mf752G.","productDescription":"1 Plate: 31.77 x 44.50 inches","costCenters":[],"links":[{"id":182815,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/usgs_thumb.jpg"},{"id":274679,"rank":2,"type":{"id":17,"text":"Plate"},"url":"https://pubs.usgs.gov/mf/0752g/plate-1.pdf","linkFileType":{"id":1,"text":"pdf"}},{"id":411797,"rank":3,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_3894.htm","linkFileType":{"id":5,"text":"html"}}],"scale":"250000","country":"United States","geographicExtents":"{ \"type\": \"FeatureCollection\", \"features\": [ { \"type\": \"Feature\", \"properties\": {}, \"geometry\": { \"type\": \"Polygon\", \"coordinates\": [ [ [ -76,36 ], [ -76,38 ], [ -74,38 ], [ -74,36 ], [ -76,36 ] ] ] } } ] }","noUsgsAuthors":false,"publicationStatus":"PW","scienceBaseUri":"4f4e4b00e4b07f02db69838c","contributors":{"authors":[{"text":"Water Resources Division, U.S. Geological Survey","contributorId":128075,"corporation":true,"usgs":false,"organization":"Water Resources Division, U.S. Geological Survey","id":533226,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":61367,"text":"mf752H - 1976 - Aeromagnetic map of Atlantic continental margin quadrangle N34-W74","interactions":[],"lastModifiedDate":"2023-01-12T20:33:38.668528","indexId":"mf752H","displayToPublicDate":"1994-01-01T00:00:00","publicationYear":"1976","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":325,"text":"Miscellaneous Field Studies Map","code":"MF","active":false,"publicationSubtype":{"id":5}},"seriesNumber":"752","chapter":"H","title":"Aeromagnetic map of Atlantic continental margin quadrangle N34-W74","docAbstract":"No abstract available.
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