Reef Rock

The Reef Rock is a gold mine located in Calaveras county, California.

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: Reef Rock  

State:  California

County:  Calaveras

Elevation:

Commodity: Gold

Lat, Long: 38.20278, -120.48750

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 Reef Rock

Reef Rock MRDS details

Site Name

Primary: Reef Rock


Commodity

Primary: Gold


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Type: Surface/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

Not available


Materials

Ore: Gold
Gangue: Quartz


Comments

Comment (Geology): A THICK VEIN. CRAWFORD, 1896 , NOTES: CROPS OUT BOLDLY IN DIABASE FOR SEVERAL HUNDRED FT

Comment (Commodity): IN PLACES CONSIDERABLE IRON SULFIDES

Comment (Location): UTM EST. NE 1/4

Comment (Production): NO OTHER PRODUCTION RECORD FOUND.

Comment (Deposit): VEIN

Comment (Workings): 125 FT ADIT IN CROSSCUTS AND 35 FT RAISE TO SURFACE. SURFACE CUTS 10 - 15 FT DEEP


References

Reference (Deposit): LOGAN, C.A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS CO.: CDM CALIF. JOUR. MINES & GEOL., VOL. 32 , NO. 3 , P. 317

Reference (Deposit): ERIC, J.H., STROMQUIST, A.A., & SWINNY, C.M., 1955 , GEOL. OF THE ANGELS CAMP AND SONORA QUADS., CALAVERAS & TUOLOMNE COS.: CALIF. DIV. MINES SPEC. REPORT. 41 , P. 50 & PL 3

Reference (Production): CLARK, 1962

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. 176


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.