Rough Diamond Placer Mine

The Rough Diamond Placer Mine is a gold and quartz 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: Rough Diamond Placer Mine  

State:  California

County:  Calaveras

Elevation:

Commodity: Gold, Quartz

Lat, Long: 38.25778, -120.71376

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 Rough Diamond Placer Mine

Rough Diamond Placer Mine MRDS details

Site Name

Primary: Rough Diamond Placer Mine


Commodity

Primary: Gold
Primary: Quartz


Location

State: California
County: Calaveras


Land Status

Not available


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Placer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N


Physiography

Not available


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Not available


Materials

Ore: Gold


Comments

Comment (Geology): GEOL.DESC: OLD WORKINGS INCLUDE A 700' TUNNEL. QUARTZ CRYSTALS ARE ALSO SAID TO BE FOUND HERE IN THE SAND AND GRAVEL. FROM LATE IN 1942 UNTIL NOV. 1943, ABOUT 6600 LBS. OF CRYSTAL WERE RECOVERED; ABOUT 4700 CU. YDS. OF GRAVEL HAD BEEN MINED, AVERAGING 1.4 LBS. CRYSTAL PER CU. YD.

Comment (Deposit): ADD. REF. NO.4. MIS V. 15, NO. 11, P. 5; CALIF. B. 176, P. 459-60; RD FILE; BULL. 191, P. 345

Comment (Production): AU AVERAGED $2.00-$2.50 A CARLOAD IN 1883. YIELDED SOME AU IN 1934. ESTIMATED THAT ABOUT 12,600 LBS. OF CRYSTAL REMAIN TO BE RECOVERED.


References

Reference (Deposit): COUNTY REPT. NO. 2, P. 91, 205, 213, AND PLS C AND D

Reference (Deposit): CALIF. V. 32, NO. 3, P. 350 AND PL. 6 AND 7

Reference (Deposit): CALIF. V. 39, NO. 3, P. 316; V. 40, NO. 4, P. 423-33


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.