Mine detail: Marietta Mine

Previously called ''

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Location

Lat / long:

46.36462, -111.7067

Resource(M)

Primary:	Gold, Silver, Lead, Zinc
Secondary:	Copper
Ore:	Chalcopyrite, Galena, Gold, Sphalerite
Gangue:	Quartz
Orebody form:	VEIN FILLING WITH SOME LOCALIZED THICKENING OF VEINS
Discovery year:	1878

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1880

Geology

Host type:	Volcanic Rock (Aphanitic),Andesite
Associated rock:	Andesite;Cret-Tert
Associated type:	Diorite,Andesite
Structure:	Boulder Batholith, Lombard Overthrust Large North Trending Syncline, Small Scale Faulting, Altered Dikes On At Least 2 Levels Of Marietta, Also Quartz Diorites, Andesite
Alteration processes:	Alteration Of Andesite Around Mineralized Veins

References

MRDS	W015573
DEP	10071878
Reference	{Deposit:: SCHELL, E. M., 1963, ORE DEPOSITS OF THE NORTHERN PART OF THE PARK (INDIAN CREEK) DISTRICT, BROADWATER COUNTY, MONTANA: MONT. BUREAU OF MINES AND GEOL. BULL. 35, P. 1-38}{Deposit:: KLEPPER, M. R. RUPPEL, E. T., FREEMAN, V. L., WEEKS, R. A., 1971, GEOLOGY AND MINERAL DEPOSITS, EAST FLANK OF THE ELKHORN MOUNTAINS, BROADWATER DOUNTY, MONTANA: US GEOL SURVEY PROF. PAPER 665, P. 41}{Deposit:: REED, G. C., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS) BROADWATER COUNTY, MONT: US BUR MINES INF. CIRC. 7592, P. 48, 49}{Production:: SCHELL, E. M., 1963, NORTHERN PART PARK (INDIAN CREEK) DISTRICT PRODUCTION IS FOR ENTIRE PARK (INDIAN CREEK) DISTRICT THE MARIETTA MINE IS PROBABLY RESPONSIBLE FOR MOST OF THIS PRODUCTION}
Reporter	Mckenzie, Craig L.; R. B. Berg