Mine detail: Flathead Mines

Previously called 'Hog Heaven Project'

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Location

Lat / long:

47.92298, -114.58289

Resource(M)

Primary:	Silver, Lead
Secondary:	Copper, Zinc, Gold
Ore:	Pyrite, Galena, Argentite, Marcasite, Bornite, Enargite, Silver, Sphalerite, Matildite
Gangue:	Alunite
Orebody form:	PODS, SHOOTS; IRREGULAR
Discovery year:	1913

Production

Operation type:	Surface-Underground
Deposit type:	Hot-spring Au-Ag (Pb)
Development status:	Plant
First production started:	1928

Geology

Host rock:	PORPHYRITIC LATITE, Argillite
Host type:	Latite,Argillite
Associated rock:	Hog Heaven Volcanics; Porphyritic Latite Plug

References

MRDS	W014676
MAS	300290001
DEP	10221224
Reference	{Deposit:: MONTANA BUREAU OF MINES AND GEOL. MEMOIR 31, 1949, P. 24.}{Deposit:: MONTANA BUREAU OF MINES AND GEOL. BULLETIN 95, 1975, P. 8.}{Deposit:: COCA MININE COMPANY. MINE/DEPOSIT FILE REPORT-FLATHEAD}{Deposit:: MINES, POLSON, MT. FINAL REPORT, U.S. BUREAU OF MINES}{Deposit:: CONTRACT NO. S0221028, MARCH 1983.}{Deposit:: CAREY, C. C. ALTERATION PETROLOGY AND MINERALIZATION OF THE}{Deposit:: HOG HEAVEN MININE DISTRICT, MT. MS THESIS, UNIV. OF}{Deposit:: MONTANA, 1981.}{Reserve-Resource:: COCA MINES INC. 1984 ANNUAL REPORT, P.6.}
Reporter	Avery, Dale