Demarest

The Demarest is a gold mine located in Calaveras county, California at an elevation of 951 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: Demarest  

State:  California

County:  Calaveras

Elevation: 951 Feet (290 Meters)

Commodity: Gold

Lat, Long: 38.11667, -120.65139

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 Demarest

Demarest MRDS details

Site Name

Primary: Demarest


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

Form: PINCH & SWELL


Structure

Not available


Alterations

Not available


Rocks

Not available


Analytical Data

Analytical Data: APPROX $9 PER TON AU IN 1934


Materials

Ore: Gold
Gangue: Quartz


Comments

Comment (Workings): DEVELOPMENTS INCLUDED A 690 FT 60 DEG INCLINED SHAFT WITH LEVELS AT 100 , 300 , 400 AND 600 FT. DRIFTS FROM 300 TO 420 FT WITH ALL DRIVEN S. FROM SHAFT

Comment (Geology): THREE VEINS BUT WORK ONLY ON MIDDLE VEIN WHICH IS 6 - 10 FT THICK, SM. AMT. OF COUNTRY ROCK IS GREEN SCHIST, GOUGE ON VEIN ON HANGING WALL SIDE N OF SHAFT BUT SAME DISTANCE S. OF SHAFT FLEKING OF VEIN & GOUGE PASSES TO FOOTWALL SIDE. DIKES OF MED GRAINED DIORITE ALSO PRESENT. MIDDLEVEIN ON CONTACT STRIP OF MARIPOSA SLATE - 150 FT WIDE TO W AND CALAVERA FMN SAME 200 FT WIDE TO E

Comment (Commodity): ORE SHOOT S. OF SHAFT HAD AVE STOPE LENGTH 225 FT WITH HOUR GLASS SHAPE VIEWED LATERALLY WITH NARROWEST PORTION AT 500 FT LEVEL FROM $40,000 CAME FROM STOPE FROM 400 FT LEVEL TO WITHIN 80 FT OF SURFACE

Comment (Location): UTM ACC NE 1/4 SEC

Comment (Production): ORIGINALLY WORKED 1850'S AND IN 1860'S , 1897 - 1901 AND 1904 , 1924 - 1937 , 1938 - 39 NO PRODUCTION RECORD FOUND

Comment (Deposit): VEINS, THREE VEINS BUT WORK IS ONLY ON MIDDLE VEIN WHICH IS 6 - 10 FT THICK


References

Reference (Deposit): LOGAN, C. A., FRANKE, H., 1936 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 32 , NO. 3 ; DIV. OF MINES, P 250 & 302

Reference (Production): CLARK ( 1962 )

Reference (Deposit): CLARK, W. B., LYDON, P. A, 1962 , MINES AND MINERAL RESOURCES OF CALAVERAS COUNTY, CALIF.; COUNTY REPORT 2 ; CALIF. DIV. OF MINES AND GEOLOGY, P 51 - 52 , 147 AND PL 13

Reference (Deposit): LOGAN, C. A., 1934 , MOTHER LODE GOLD BELT OF CALIF: CALIF. DIV. OF MINES BULL. 108 , P. 138


California Gold

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"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.