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Mine detail: Hope Group
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North America
United States
Montana
Granite
Previously called 'FieldPrinceImperialLittle EmmaComancheCuno ShaftJubileeShapleigh TunnelHope TailingsShapleigh MinePotosiPorterTake All'
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Location
Lat / long:
46.34017, -113.27536
Resource(B)
Primary:
Silver, Copper, Lead
Secondary:
Gold, Manganese
Tertiary:
Barium-Barite, Antimony, Arsenic, Fluorine-Fluorite
Ore:
Argentite, Cerargyrite, Chalcocite, Galena, Gold, Malachite, Tetrahedrite
Gangue:
Barite, Calcite, Fluorite, Iron, Pyrite, Quartz, Rhodochrosite
Orebody form:
TABULAR
Discovery year:
1865
Production
Operation type:
Unknown
Deposit type:
Polymetallic Replacement
Production size:
Small
Development status:
Past Producer
First production started:
1866
Geology
Host rock:
Jefferson Limestone
Host type:
Limestone
Structure:
Philipsburg Batholith, Philipsburg Anticline, Philipsburg Overthrust
Tectonic:
Cordilleran Miogeosyncline
Alteration processes:
Limestone Marmerized And Some Tremolite Developed.
References
MRDS
W014670
DEP
10071337
Reference
{Deposit:: USBM REP INVES 4399, 9 P.}{Deposit:: USGS PP 78, P. 213-18, PL. 1, 2.}{Deposit:: USGS BULL 955-E, P. 220-21.}{Deposit:: MBMG BULL 115, P. 5.}{Deposit:: USGS BULL 1237, P. 30-1, PLATES}
Reporter
Wise, Kristine K. (Elliott, James E.), Krohn, Douglas H.