The Golconda Mine is a gold and silver mine located in Jefferson county, Montana.
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
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.
Golconda Mine MRDS details
Site Name
Primary: Golconda Mine
Secondary: Golden Assets
Commodity
Primary: Gold
Primary: Silver
Secondary: Lead
Secondary: Zinc
Secondary: Copper
Tertiary: Arsenic
Location
State: Montana
County: Jefferson
District: Alahambra (Golconda) District
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Placer Amex, Inc. (Don Jenkins)
Home Office: 2500 One California Bldg., San Francisco, Ca. 94111
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Rocky Mountain System
Physiographic Province: Northern Rocky Mountains
Mineral Deposit Model
Not available
Orebody
Form: RETICULATED VEINLETS
Structure
Type: R
Description: Boulder Batholith
Alterations
Not available
Rocks
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Host Rock
Age Young: Late Cretaceous
Name: Quartz Monzonite
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Cretaceous
Analytical Data
Analytical Data: 2.5 OZ/TON AU
Materials
Ore: Sphalerite
Ore: Galena
Ore: Gold
Gangue: Quartz
Gangue: Limonite
Comments
Comment (Deposit): THE ORE IS IN A MINERALIZED STOCKWORK IN GRANITE. MINABLE-GRADE AU ORE RANGE UP TO 35 FT IN WIDTH TO 150 FT IN LENGTH.
Comment (Location): LAT. LONG. ARE ON MAIN ADIT IN SEC. 29.
Comment (Production): PRODUCTION HAS BEEN RECORDED FOR THE GOLCONDA MINE IN THE COLORADO DISTRICT IN 1937 AND THE CATARACT DISTRICT IN 1938 & 1939. PRODUCTION AS HIGH AS $100000.
Comment (Development): 10 PATENTED CLAIMS: GOLD COIN 1, 2, 3, 4, 5; GOLD COIN 7; GOLD COIN PLACER; GOLD COIN FRAC. NO. 6; BLUE JACKET, YELLOW JACKET; YELLOW JACKET MILL SITE;
Comment (Workings): 3 ADITS, DRIFTS; 1949 OPEN CUTS WERE PUT IN BY THE BUCKEYE MIN. CO. IT PRODUCED 75 TON/DAY AND WAS TAKEN TO A MILL WHERE THE CYANIDE PROCESS WAS USED. MIDDLE AND UPPER ADITS WERE OPEN IN 1954.
References
Reference (Deposit): MBMG BULL 16, P. 67
Reference (Deposit): MBMG BULL 115, P. 6
Reference (Deposit): USGS PP 428, P. 81, PL. 1.
Reference (Deposit): MBMG MEM 31, P. 39-40.
Reference (Production): MBMG BULL 16, P. 67.; USGS PP 428, P. 81.
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.
