Golconda Mine

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

Name: Golconda Mine  

State:  Montana

County:  Jefferson

Elevation:

Primary Mineral: Gold, Silver

Lat, Long: 46.33194, -112.00139

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.


Satelite image of the Golconda Mine

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.


Colorized Mining Photos

Drumlummon Mine at Marysville, Montana late 1880s

Western Mining History's collection of colorized mining photos includes incredible scenes from Montana: Best Historical Photos: Colorized Mining Scenes.