Mine detail: Charter Oak Mine

Previously called ''

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Location

Lat / long:

45.16796, -112.95783

Resource(M)

Primary:	Silver, Lead, Copper, Zinc, Gold
Gangue:	Calcite, Quartz
Discovery year:	1865

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1865

Geology

Host rock:	Madison
Host type:	Limestone
Associated type:	Diorite,Andesite
Structure:	Thrust Fault Trends North And Dips West From 61 To 24 W. Limestone Is Thrust Over Andesite
Alteration processes:	Oxidation

References

MRDS	DC09076
DEP	10019223
Reference	{Deposit:: MBMG BULL 6, P. 38.}{Deposit:: MBMG MEM 20, P. 3}{Deposit:: MBMG BULL 46, P. 3}{Deposit:: BERGER, B.R., AND OTHERS, 1979, GEOCHEM. RECON. OF MINING DISTRICTS IN SO. PIONEER MTNS., MT: U.S.G.S. OPEN-FILE REPORT 79-1426}{Deposit:: GEACH, R.D., 1972, MINES AND MINERAL DEPOSITS, BEAVERHEAD CO., MT: MT. BUREAU OF MINES AND GEOL. BULL. 85.}{Deposit:: MBMG BULL 85.}{Deposit:: 1931 COMPILE M.B.M.G. BULL. 6}{Deposit:: 1965 GEOLMAP LOWELL, W.R., U.S.G.S. M.I. MAP I-433}{Deposit:: 1972 COMPILE M.B.M.G. BULL. 85}{Deposit:: 1979 RECON BERGER, B.R., U.S.G.S. OPEN-FILE 79-1426}{Production:: M.B.M.G. BULL. 85.}
Reporter	Unknown, Loen, Jeffrey S. (Pearson, Robert C.)