1954 EXPLORATION DRILLING IN THE BOULDER BATHOLITH, JEFFERSON AND SILVER BOW COUNTIES, MONTANA
Technical Report
·
OSTI ID:4258622
Three of five properties in the Boulder batholith of western Montana that were diamond drilled for uranium during 1954 are sufficiently mineralized to warrant further attention. An ore body, 15 to 30 feet long and extending to a depth of 165 feet, was delineated on the Mooney claim 10 miles west of Butte, Montana. Metaautunite occurs disseminated in altered quartz monzonite adjacent to a quartz-stibnite vein and coats the fracture surfaces of the vein. Two siliceous reef-type structures near Alhambra, Montana, contain uranium minerals in concentrations approaching ore grade. Metaautunite and torbernite coat fracture surfaces of the chalcedonic quartz veins comprising the G. Washington structure, while disseminated pitchblende occurs at depth in the President vein.(auth)
- Research Organization:
- Grand Junction Operations Office. Salt Lake Branch Office, AEC
- NSA Number:
- NSA-13-014397
- OSTI ID:
- 4258622
- Report Number(s):
- RME-2044(Rev.)
- Country of Publication:
- United States
- Language:
- English
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