Mine detail: Florence Mine

Previously called ''

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Location

Lat / long:

46.94602, -110.74417

Resource(M)

Primary:	Silver, Lead, Zinc
Secondary:	Copper
Ore:	Chalcopyrite, Galena, Polybasite, Pyrargyrite
Gangue:	Barite, Pyrite
Orebody form:	TABULAR
Discovery year:	1886

Production

Operation type:	Unknown
Production size:	Yes
Development status:	Past Producer
First production started:	1893

Geology

Host rock:	Pinto Diorite-Metadiorite;Gneiss, Schist
Host type:	Schist,Gneiss
Associated rock:	Gneiss And Schist
Associated type:	Diorite,Lamprophyre
Structure:	Moulton Fault Apparently Delimits Southwest Extension Of Ore

References

MRDS	M060827
DEP	10103897
Reference	{Deposit:: ROBERTSON, A.G., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY, MONTANA: U.S. BUREAU OF MINES. INFO. CIRC. 7589, P. 24-26}{Deposit:: SCHAFER, P.A., 1935, GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DISTRICT, CASCADE COUNTY, MONTANA: MONTANA BUREAU OF MINES, MEM. 13, P. 34-36}{Deposit:: WEED, W.H., 1900, GEOLOGY OF THE LITTLE BELT MOUNTAINS, MONT: USGS, 20TH ANN. RPT. PT. 3, P. 425-426}{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}{Deposit:: 1893 GEOLMAP W.H. WEED, 20TH ANN. RPT.}{Deposit:: 1964 GEOLMAP W.R. KEEFER, MAP I-276}{Production:: U.S.B.M. INFO. CIRC. 7589, P. 25}{Reserve-Resource:: OME FILES}
Reporter	Puffett, Willard P.