Commodities
PrimaryCopper, Iron
SecondaryGold
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeY
WorkingsUnderground
Materials
Ore mineralsHematite, Gold
Geology
Host rockDiorite,Gabbro,Schist,Granite,Quartzite
StructureSierra Madre Range
Tectonic settingFolds, Faults
Economic & production
Development statusPast Producer
Identification
Deposit ID10022635
MRDS IDFS00003
Alternate namesGertrude Mine, Gertrude Claim, Gertrude Property Prospect
RegionNA
Data scoreB
Coordinates41.1575, -106.95694
References
Osterwald and others, 1966, Mineral Resources of Wyoming: Geological Survey of Wyoming Bull. 50 [revised ed.], p. 47, 110.Hausel, 1986, Mineral deposits of the Encampment mining district, Sierra Madre, Wyoming-Colorado: Geological Survey of Wyoming RI-37, p. 15-16.Hausel, 1989, The geology of Wyoming's precious metal lode and placer deposits: Geological Survey of Wyoming Bull. 68, p. 154-155.Hausel, 1997, Copper, lead, zinc, molybdenum, and associated metal deposits of Wyoming: Wyoming State Geological Survey Bull. 70, p. 170.MIN. EXAM. FS. 1962.1962 OTHER FS