Analytical results for 56 rock, 46 stream-sediment and soil, and 22 panned-concentrate samples from the Welcome Creek Wilderness Study Area, Granite County, Montana

Campbell, W. L.; Lee, G. K.; Antweiler, J. C.; Hopkins, R. T.

Abstract:

Fifty-six rock, 46 stream-sediment, and 22 panned-concentrate samples were collected from the Welcome Creek Wilderness, Granite County, Montana, during the summers of 1979 and 1980. All samples were analyzed for 31 elements by a six-step semiquantitative emission spectrographic method (Grimes and Marranzino, 1968). All panned concentrate and other selected samples were analyzed for gold by an atomic absorption procedure (Thompson and others, 1968). All rock and stream-sediment samples were also analyzed for Ag, Bi, Cd, Cu, Pb, Sb, and Zn by a partial-digestion procedure (Viets and others, 1979). Sample analyses and locations are presented in this report.

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USGS Numbered Series

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16871

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Campbell, W. L.; Lee, G. K.; Antweiler, J. C.; Hopkins, R. T.

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ENGLISH

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ii, 22 p. :maps ;28 cm.

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U.S. Geological Survey,

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Open-File Report

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OFR

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83-829

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Analytical results for 56 rock, 46 stream-sediment and soil, and 22 panned-concentrate samples from the Welcome Creek Wilderness Study Area, Granite County, Montana; 1983; OFR; 83-829; Campbell, W. L.; Lee, G. K.; Antweiler, J. C.; Hopkins, R. T.