Montana · Jefferson County
Past Producer

Midnight Mine

Jefferson County, Montana, United States
SilverGoldLeadCopperZinc
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Gold, Lead, Copper
TertiaryZinc
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsUnderground
Ore controlFissure Zone
Materials
Ore mineralsGalena, Sphalerite
GanguePyrite
Geology
Host rockShale · Greyson Shale;Flathead Quartzite
StructureWest Bull Mtn Block, Fissures, North Trending Faults And Folds
Tectonic settingLaramide Fold-Thrust Belt.
AlterationOxidation
Economic & production
Development statusPast Producer
Production yearsITEMS 1-4: 1917-1949
First production1917
Identification
Deposit ID10019658
MRDS IDDC11067
RegionNA
Data scoreB
Coordinates45.9299, -112.03004
References
MBMG BULL 16.ALEXANDER, R.G., 1955, GEOLOGY OF THE WHITEHALL AREA, MONTANA YELLOWSTONE-BIGHORN RESEARCH PROJECT, CONTRIBUTION 195, 111 P.LINDQUIST, A.E., 1966, STRUCTURE AND MINERALIZATION OF THE WHITEHALL MINING DISTRICT,JEFFERSON CO., MONT: MT. SCHOOL OF MINES, M.S. THESIS, P. 76-77CONSV. DIV. COMP. DATE, 12-21-19611960 RECON MBMG BULLETIN 161960 RECON MONT. SCHOOL OF MINES, LINDQUIST, A.E., M.S.