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Geology topics

R. T. Hopkins

Publications and source records attributed to R. T. Hopkins.

28 records · Page 2Linked to original sources

USGS1982

Coordinates for and analytical values of 109 rock, 377 stream sediment and soil, and 237 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitu

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 21 rock, 158 stream-sediment and soil, and 91 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitudes of 112 degrees 30'00" and 113 degrees 00'00" W.

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 43 rock, and 19 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 30'00" and 47 degrees 00'00" N., and the longitudes of 112 degrees 00'00" and 112 degrees 30'00" W.

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 486 rock, 771 stream sediment and soil, and 784 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00" and 46 degrees 30'00" N., and the longitudes of 113 degrees 30'00" and 114 degrees 00'00" W.

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 322 rock, 327 stream-sediment and soil, and 369 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00" and 46 degrees 30'00" N., and the longitudes of 113 degrees 00'00" and 113 degrees 30'00" W.

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 78 rock, 275 stream-sediment and soil, and 220 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00" and 46 degrees 30'00" N., and the longitudes of 112 degrees 30'00", and 113 degrees 00'00" W.

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Open-File Report↗

USGS1982

Coordinates for and analytical values of 30 rock, and 7 panned-concentrate samples included in the Butte 1 degree by 2 degrees Quadrangle between the latitudes of 46 degrees 00'00"DP and 46 degrees 30'00" N., and the longitudes of 112 degrees 00'00" and 1

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Open-File Report↗

USGS1981

Analytical results for 130 rock, 135 stream-sediment and soil, and 110 panned-concentrate samples from the Rattlesnake Wilderness Study Area, Missoula County, Montana

No abstract available.

Montana↗

USGS1980

Distribution and abundance of lead in minus-80-mesh stream-sediment and nonmagnetic heavy-mineral-concentrate samples, Chignik and Sutwik Island quadrangles, Alaska

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Miscellaneous Field Studies Map↗

USGS1978

Geochemical map showing the distribution and abundance of cobalt, chromium, and nickel in the oxide residue of stream-sediment samples in the Big Delta quadrangle, Alaska

No abstract available.

Alaska↗