Mineral Resource Map
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Mine detail: Cook Prospect
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North America
United States
Montana
Missoula
Previously called 'Arrowhead Lease'
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Location
Lat / long:
46.73739, -113.60093
Resource(M)
Primary:
Manganese
Secondary:
Silver, Gold
Ore:
Gold, Pyrolusite, Wad
Gangue:
Chalcedony
Orebody form:
TABULAR-IRREGULAR
Discovery year:
1917
Production
Operation type:
Unknown
Deposit type:
Replacement
Production size:
Small
Development status:
Past Producer
First production started:
1917
Geology
Host type:
Limestone
Structure:
High Angle Reverse Fault Trending Nw And Dipping 50 Deg. Sw Separates Precambrian And Cambrian Rock., High Angle Reverse Fault Is Sw Limit Of Ore
References
MRDS
M060194
DEP
10098497
Reference
{Deposit:: MBMG BULL 8, P. 15, 32}{Production:: MBMG BULL 8.}
Reporter
Puffett, Willard P., Wise, Kristine K. (Elliott, James E.)