Mine detail: Dacotah Mine

Previously called ''

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Location

Lat / long:

46.94547, -110.72417

Resource(M)

Primary:	Lead, Zinc, Silver
Secondary:	Gold, Copper
Ore:	Chalcopyrite, Galena, Sphalerite
Gangue:	Pyrite, Quartz
Orebody form:	TABULAR
Discovery year:	1883

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer
First production started:	1891

Geology

Host rock:	Gneiss, Schist
Host type:	Diorite,Gneiss
Associated rock:	Pinto Diorite-Porphyry, Amphibolite
Associated type:	Diorite

References

MRDS	M060837
DEP	10042801
Reference	{Deposit:: ROBERTSON, A.F., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY, MONTANA: U.S. BUREAU OF MINES INFO. CIRC. 7589, P. 33-34}{Deposit:: WEED, W.H., 1900, GEOLOGY OF THE LITTLE BELT MOUNTAINS, MONT: USGS 20TH ANN. RPT. PT. 3 P. 432-433}{Deposit:: KEEFER, W.R., 1972, GEOLOGIC MAP OF THE WEST HALF OF THE NEIHART 15-MINUTE QUADRANGLE, CENTRAL MONTANA: USGS, MISC. GEOL. INV. MAP I-726}{Reserve-Resource:: DMEA FILES}
Reporter	Puffett, Willard P.