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165635 results.

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Page 5661, results 141501 - 141525

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Publication Extents

Not all publications have extents, not all extents are completely accurate
Benefaction studies on the Hasan Celebi magnetite deposit, Turkey
Jean W. Pressler, Ali Akar
1972, Open-File Report 72-303
Bench-scale and semicontinuous tests were performed on surface, trench, and diamond drill core samples from the Hasan Celebi low-grade magnetite deposit to determine the optimum benefication procedures utilizing wet magnetic separation techniques. Composite core samples typically contain about 27 percent recoverable magnetite and require crushing and grinding through 1 mm...
Preliminary geologic map of the northeastern part of the Tanana quadrangle, Alaska
Robert M. Chapman, Warren Yeend
1972, Miscellaneous Field Studies Map 342
Mapping is based on both ground observations and aerial observations from a helicopter, August 11-19 and September 1-5, 1970, and supplemented by interpretation from aerial photographs. Bedrock geology chiefly by R.M. Chapman, and surficial geology chiefly by W.E. Yeend....
Reconnaissance geologic map and geochemical analyses of stream-sediment and rock samples of the Anchorage A-6 quadrangle, Alaska
Sandra H. B. Clark, Martha E. Yount
1972, Miscellaneous Field Studies Map 351
A reconnaissance geologic map and analytical data for 70 stream-sediment samples and 34 rock samples for the Anchorage A-6 1:63,360 scale quadrangle are presented in this report, together with a statistical treatment of the geochemical data. The bedrock was mapped and samples collected during the summers of 1969, 1970, and...
Iron prospect near Kayalar, Balikesir Province, western Turkey
Gerhard W. Leo
1972, Open-File Report 72-231
In July 1968 a brief reconnaissance was made of an area about 3 km northeast of Kayalar village, Balikesir Province (1:25,000 topographic sheet 119-a3), as part of the cooperative geologic program being undertaken by the Mineral Exploration and Research Institute of Turkey (MTA) and the U. S. Geological Survey (USGS)...