Mine detail: Betsy Ross Mine

Previously called '1900 Group'

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Location: Lewis and Clark County, Montana, United States, North America
Lat / long: 46.45573, -112.2745
dep_id: 10015878
mrds_id: DB02152
Commodity type: metallic
Major mineral: Silver, Lead, Gold
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Gold
gangue: Iron, Pyrite, Quartz
work_type: Unknown
alteration: Sericitized
Reporter: Elliott, James E., Wise, Kristine K. (Elliott, James E.)
hrock_type: Quartz Monzonite
arock_unit: Butte Quartz Monzonite (Boulder Batholith)
arock_type: Quartz Monzonite
Structure: Boulder Batholith, Lee Mountain-Valley Forge Shear Zone
References:
  • USGS BULL 842, P. 253-54
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