Mine detail: Gold Coin Mine

Previously called ''

<< Back to the map

Location

Lat / long:

46.17461, -113.24563

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper
Tertiary:	Platinum
Ore:	Chalcopyrite, Gold, Malachite, Platinum, Pyrite, Pyrrhotite, Silver
Gangue:	Limonite, Quartz
Orebody form:	VEIN
Discovery year:	1898

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	TO 1912, 1930-1940

Geology

Host rock:	Hasmark Formation
Host type:	Limestone
Structure:	Philipsburg Batholith, Cable Stock, Faults
Tectonic:	In Rocky Mountains
Alteration processes:	Ferruginous

References

MRDS	W007422
DEP	10069751
Reference	{Deposit:: EARLL, F.N., 1972, MINES AND MINERAL DEPOSITS OF THE SOUTHERN FLINT CREEK RANGE, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 84, P. 21-23.}{Deposit:: EMMONS, W.H., AND CALKINS, F.C., 1913, GEOLOGY AND ORE DEPOSITS OF THE PHILIPSBURG QUADRANGLE , MONTANA: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 78, P. 153, 234-235.}{Deposit:: U.S. GEOLOGICAL SURVEY-U.S. BUREAU OF MINES, MINERAL YEARBOOKS, 1905-1962.}{Production:: EARLL. USGS-USBM MINERAL YEARBOOKS, 1905-1962.}
Reporter	Mlynarczyk, Meg S., Wise, Kristine K. (Elliott, James E.), Peterson, Jocelyn A.