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Page 6944, results 173576 - 173600

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Pegmatites of the Middletown area, Connecticut
Frederick Stugard Jr.
1955, Open-File Report 55-177
The pegmatites of the Middletown area in Connecticut have been mined almost continuously for feldspar and muscovite mica since about 1865, Pegmatites in this and other areas have recently become the subject of renewed interest because pegmatites are the potential source of beryl, the ore mineral of beryllium. During 1948...
Pyrite deposits at Horseshoe Bay, Latouche Island, Alaska
Francis Adrien Stejer
1955, Open-File Report 55-175
Horseshoe Bay (see fig. 1) is in the southwest part of Prince William Sound at latitude 60°01'N and longitude 147°57'W. It is on the west side of Latouche Island about two miles southwest of the old mining camp of Latouche. Pyrite deposits crop out about one-half mile from the head...
Notes on a coal deposit on the Beluga River, Alaska
Farrell F. Barnes
1955, Open-File Report 55-5
This report is based on a brief examination of a locality on the Beluga River, about 50 miles west of Anchorage, Alaska (fig. 1), that had been reported to contain a coal bed of exceptional thickness and quality, possibly suitable for large-scale strip mining. I visited the locality on August...
Preliminary geologic evaluation of the Chena area, Alaska
John R. Williams
1955, Open-File Report 55-198
It seems fitting at this session of the Alaska Science Conference, the first to be held in the Fairbanks area, to give a preliminary summary of the practical results of a geologic investigation of the Chena area east of Fairbanks. The work was done by the Geological Survey in 1950....
Reconnaissance examination of the uranium deposits northeast of Winston, Broadwater County, Montana
George E. Becraft
1955, Trace Elements Memorandum 917
Anomalous radioactivity and a yellow secondary uranium mineral tentatively identified as carnotite have been found in Tertiary sedimentary rocks about 3 miles northeast of Winston, Mont. The uranium is in tuffs and tuffaceous shales and particularly in beds rich in organic matter. Carnotite(?) was identified from three localities, principally coating...
Some thorium prospects, Lemhi Pass area, Beaverhead County, Montana
Frank C. Armstrong
1955, Trace Elements Memorandum 918
The Last Chance group> Brown Bear and Shady Tree claims in Beaverhead County, Mont., were explored for thorium under a Defense Minerals Exploration Administration Contract in 1951 and 1952. The project was undertaken to explore northwest-trending moderately to steep dipping, thorite-bearing quartz-barite-hematite veins. The veins are wall-rock replacements and fissure fillings...