Mine detail: Hecla Mines

Previously called 'Bryant'

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Location

Lat / long:

45.60379, -112.93259

Resource(M)

Primary:	Lead, Silver
Secondary:	Copper
Tertiary:	Gold, Zinc
Ore:	Galena, Tetrahedrite, Argentite, Sphalerite, Chalcocite, Chalcopyrite, Silver, Gold
Gangue:	Calcite, Pyrite

Production

Operation type:	Underground
Deposit type:	Polymetallic Veins
Development status:	Past Producer

Geology

Host rock:	JEFFERSON DOLOMITE
Host type:	Carbonate
Associated rock:	PIONEER BATHOLITH (ALSO CALLED THE MOUNT TORREY BATHOLITH)
Associated type:	Quartz Monzonite

References

MRDS	W006769
MAS	300010482
DEP	10196635
Reference	{Deposit:: MONT. BUREAU OF MINES AND GEOL. BULLETIN 25, 1948.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. IC 20, 1957, P. 5.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. BULLETIN 85, 1972, P. 111.}{Deposit:: MONT. BUREAU OF MINES AND GEOL. BULLETIN 111, 1979, P. 2.}
Reporter	Hughes, Curt A.