Final report of the mineral resource evaluation of the Bureau of Land Management, Black River and Fortymile River subunits. Open file report
Technical Report
·
OSTI ID:253981
The Alaska State Director of the Bureau of Land Management requested the U.S. Bureau of Mines to evaluate the mineral resources of the Fortymile River and Black geochemical anomalies were examined. Granitic rocks were sampled and characterized by major oxide analysis to support metallogenic classification of the mineral occurrences. During the 1993 and 1994 field seasons the Bureau collected a total of 1,055 samples from the study area including 748 rock, 126 soil, 108 stream sediment, and 73 panned concentrate samples. This report contains a summary of the historic mining and exploration activity of the area, as well as brief property summary reports for the significant mineral deposits and all analytical results from the two year field investigation. Also included is a brief summary of placer mining activity.
- Research Organization:
- Bureau of Mines, Anchorage, AK (United States). Alaska Field Operations Center
- OSTI ID:
- 253981
- Report Number(s):
- PB--96-176144/XAB; BUMINES-OFR--79-95
- Country of Publication:
- United States
- Language:
- English
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