Mine detail: New Departure Mine

Previously called ''

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Location

Lat / long:

45.19768, -112.92172

Resource(M)

Primary:	Silver, Gold, Lead, Copper, Zinc
Secondary:	Manganese
Tertiary:	Antimony
Ore:	Argentite, Bindheimite, Cerargyrite, Galena, Gold, Jamesonite, Psilomelane, Pyrargyrite, Silver, Smithsonite, Sphalerite
Gangue:	Calcite, Pyrite, Quartz
Orebody form:	IRREGULAR SHOOTS
Discovery year:	1871

Production

Operation type:	Unknown
Production size:	Small
Development status:	Producer

Geology

Host rock:	Madison
Host type:	Limestone
Associated rock:	Granodiorite Stock
Associated type:	Andesite
Structure:	Area Of North Trending Thrust Faults Which Dip Gently West., Small Faults Trend North, 90, N60w, 30w, And N60e, 25 N.
Alteration processes:	Oxidation, Gouge

References

MRDS	W007439
DEP	10069763
Reference	{Deposit:: USGS BULL 574.}{Deposit:: MBMG BULL 6.}{Deposit:: MBMG BULL 85.}{Deposit:: BERGER, B.R., AND OTHERS, 1979, GEOCHEM RECON.-MINING DISTRICTS, SO. PIONEER MTNS., MONT: U.S.G.S. OPEN-FILE REPORT 79-1426, P. 13}{Deposit:: LOWELL, W.R., 1965, GEOLOGIC MAP OF BANNACK-GRAYLING, MT: U.S.G.S. MISC. GEOL. INV. MAP I-433.}{Deposit:: USGS MGI I-433}{Deposit:: 1914 COMPILE WINCHELL, A. N., DILLON QUAD.}{Deposit:: 1965 GEOLMAP LOWELL, W. R., MAP OF BANNACK-GRAYLING.}{Deposit:: 1979 RECON BERGER, B.R., GEOCHEM. RECON.}{Production:: ITEMS 8-11: GEACH, R.D., 1972, M.B.M.G. BULL. 85, P. 177; ITEMS 12-16: DMEA FILE}
Reporter	Mlynarczyk, Meg S., Loen, Jeffrey S. (Pearson, Robert C.)