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Mine detail: Little Hawk Mine
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North America
United States
Montana
Beaverhead
Previously called 'Bartholdi ?'
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Location
Lat / long:
45.31933, -113.05422
Resource(M)
Primary:
Tungsten
Tertiary:
Copper
Ore:
Chalcopyrite, Powellite, Scheelite
Gangue:
Magnetite
Production
Operation type:
Unknown
Deposit type:
Contact Metasomatic
Production size:
Small
Development status:
Producer
First production started:
1955
Geology
Host rock:
Madison
Host type:
Limestone
Associated rock:
Pioneer Batholith
Associated type:
Diorite
Structure:
N60e, 60 Se Trending Faults, Pioneer Batholith
Alteration processes:
Skarn
References
MRDS
D004713
DEP
10010757
Reference
{Deposit:: USBM RI 5552, P. 32-34}{Deposit:: 1960 RECON U.S. BUREAU OF MINES, R.I., 555}{Production:: U.S.B.M., R.I. 5552}
Reporter
Loen, Jeffrey S. (Pearson, Robert C.)