The Gold Coin Mine is a gold and silver mine located in Deer Lodge county, Montana at an elevation of 6,519 feet.
About the MRDS Data:
All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.
Mine Info
Elevation: 6,519 Feet (1,987 Meters)
Commodity: Gold, Silver
Lat, Long: 46.17472, -113.24472
Map: View on Google Maps
Satelite View
MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.
Gold Coin Mine MRDS details
Site Name
Primary: Gold Coin Mine
Commodity
Primary: Gold
Primary: Silver
Secondary: Copper
Tertiary: Platinum
Location
State: Montana
County: Deer Lodge
District: Gold Coin (Daly Gulch) District
Land Status
Land ownership: National Forest
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Type: Surface/Underground
Ownership
Owner Name: Gold Coin Mining And Milling Co.
Years: 1972 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1898
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Physiographic Detail: Flint Creek Range
Mineral Deposit Model
Model Name: Polymetallic veins
Orebody
Form: VEIN
Structure
Type: R
Description: Philipsburg Batholith
Type: L
Description: Cable Stock, Faults
Alterations
Alteration Type: L
Alteration Text: Ferruginous
Rocks
Name: Limestone
Role: Host
Age Type: Host Rock
Age Young: Late Cambrian
Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cambrian
Analytical Data
Not available
Materials
Ore: Gold
Ore: Silver
Ore: Platinum
Ore: Pyrite
Ore: Pyrrhotite
Ore: Malachite
Ore: Chalcopyrite
Gangue: Quartz
Gangue: Limonite
Comments
Comment (Production): FIRST PRODUCTION UNKNOWN BUT WAS AFTER 1898. PRODUCTION SHOWN IS FOR GOLD COIN DISTRICT, BUT ALL OR NEARLY ALL CAME FROM GOLD COIN MINE. BY 1912, $200,000 AU, 1930-40 CYANIDATION PRODUCED ABOUT $4 MILLION AU
Comment (Development): MILL AND PRINCIPAL MINE WORKINGS ON RED FIR CLAIM, MINOR DEVELOPMENT EXTENDS THROUGH SUNNYSIDE AND CENTER CLAIMS AND LITTLE JOSIE LODE. MINE HAS BEEN OPENED AND CLOSED MANY TIMES.
Comment (Location): LOCATION GIVEN IS OF MAIN ADIT. THE MINE IS ON A LOW HILL THAT SEPARATES DALY GULCH FROM FLINT CREEK DRAINAGE, 300 YD NORTH OF U.S. HIGHWAY 10A. IN DEERLODGE NATIONAL FOREST INFO FROM LAND.ST :(1971)
Comment (Commodity): UNVERIFIED REPORT OF PLATINUM
Comment (Deposit): VEIN IS IN A SHEAR ZONE AND CROPS OUT ON SURFACE. IT CUTS ACROSS BEDDING OF HOST ROCK. EAST OF VEIN ARE TWO FAULTS TRENDING NORTH-NORTHEAST WITH THE DOWNTHROW ON THE EAST SIDE. GRANITE CROPS OUT 0.5 MI NORTHEAST OF DEPOSIT. SECONDARY ENRICHED ORE IS IMPORTANT
Comment (Workings): MINE WAS DEVELOPED BY SERIES OF ADITS FOLLOWING VEIN WITH BOTH OPEN AND SQUARE SET STOPES RAISED FROM DRIFT LEVELS. MANY STOPES HAVE SINCE COLLAPSED CREATING STEEP SIDED OPEN PITS WITHIN THE AREA.
Comment (Geology): THE COUNTRY ROCK STRIKES NE AND DIPS 30-40 NW. INTRUDING IGNEOUS ROCK IS EXPOSED ABOUT 0.5 MI NORTHEAST.
References
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.
Reference (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.
Reference (Deposit): U.S. GEOLOGICAL SURVEY-U.S. BUREAU OF MINES, MINERAL YEARBOOKS, 1905-1962.
Reference (Production): EARLL. USGS-USBM MINERAL YEARBOOKS, 1905-1962.
Principal Gold Districts of Montana
In Montana, 54 mining districts have each have produced more than 10,000 ounces of gold. The largest producers are Butte, Helena, Marysville, and Virginia City, each having produced more than one million ounces. Twenty seven other districts are each credited with between 100,000 and one million ounces of gold production. Read more: Principal Gold Districts of Montana.
