Thorpe Mine

The Thorpe Mine is a gold mine located in Calaveras county, California at an elevation of 1,099 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

Name: Thorpe Mine  

State:  California

County:  Calaveras

Elevation: 1,099 Feet (335 Meters)

Commodity: Gold

Lat, Long: 38.20806, -120.62333

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 Thorpe Mine

Thorpe Mine MRDS details

Site Name

Primary: Thorpe Mine


Commodity

Primary: Gold


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Type: Underground


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: 3 % SULFIDES


Materials

Ore: Gold
Ore: Pyrite
Gangue: Quartz
Gangue: Calcite
Gangue: Ankerite


Comments

Comment (Commodity): ORE MOSTLY AT INTERSECTION OF MAIN AND MINOR FISSURING. LEVELS SHOW FAIR VALUES

Comment (Location): UTM EST. SW 1/4 JUST W OF HWY 49

Comment (Production): WORKED IN SMALL WAY BEFORE 1894; PRODUCED A FEW THOUSAND DOLLARS IN 1895

Comment (Deposit): VEINS

Comment (Workings): 700 FT MAIN SHAFT AT 55 DEG, FLOODED. STOPING ON 300-, 400-, AND 500-FT LEVEL. ALSO 600 FT LEVEL.

Comment (Geology): ZONE OF PARALLEL QTZ VEINS AND STRINGERS IN AMPHIBOLITE AND CHLORITE SCHIST. SMALL AMOUNTS OF TALC & SERICITE SCHIST ADJACENT. PHYLLITE AND SLATE TO THE WEST. THICKNESS OF 3 MAIN VEINS AVE 15 FT BUT REACHES 50 FT. VEINS ARE MOSTLY IN SCHIST


References

Reference (Deposit): LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32, P. 320

Reference (Deposit): TUCKER, W. B., 1916 , CALAVERAS COUNTY: CALIF. JOUR. MINES & GEOL., 14TH REPORT STATE MINERALOGIST, P. 121

Reference (Deposit): CLARK, W. B., & LYDON, P. A., 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.: CALIF. DIV. MINES & GEOL., COUNTY REPORT 2, P. 70 - 71, 184 & PL B

Reference (Deposit): CRAWFORD, J. J., 1896 , CALAVERAS COUNTRY: CALIF. MIN. BUR. 13TH REPORT STATE MINERALOGIST, P. 121

Reference (Production): CLARK, 1962


California Gold

Where to Find Gold in California

"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.