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Mine detail: Two Percent Mine
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North America
United States
Montana
Granite
Previously called ''
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Location
Lat / long:
46.33878, -113.27259
Resource(M)
Primary:
Silver, Zinc, Lead
Secondary:
Manganese, Copper, Gold
Ore:
Galena, Gold, Psilomelane
Gangue:
Pyrolusite, Quartz, Rhodochrosite
Orebody form:
TABULAR, LENTICULAR, PODS
Discovery year:
1865
Production
Operation type:
Unknown
Production size:
Small
Development status:
Past Producer
First production started:
1866
Geology
Host rock:
Jefferson Limestone
Host type:
Limestone
Associated rock:
Philipsburg Batholith
Associated type:
Diorite
Structure:
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Tectonic:
Cordilleran Miogeosyncline
References
MRDS
W014700
DEP
10071360
Reference
{Deposit:: USGS BULL 922-G, P. 157-204.}{Deposit:: MBMG MEM NO 31, 125 P.}{Deposit:: USGS PP 78, P. 219.}{Deposit:: USGS BULL 1237.}
Reporter
Krohn, Douglas H., Wise, Kristine K. (Elliott, James E.)