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
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.
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
"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.
