The Walker Mine is a chromium 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
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.
Walker Mine MRDS details
Site Name
Primary: Walker Mine
Secondary: Chaparral
Secondary: Brushy Hill
Commodity
Primary: Chromium
Location
State: California
County: Calaveras
District: Black Creek Area
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
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: Chromite
Comments
Comment (Production): 71 LONG TONS 40% CHROMIC OXIDE; RESERVES PROBABLY NEGLIGIBLE. WORKINGS CONSIST OF 3 OPEN CUTS, 3 PARTLY CAVED SHAFTS AND 2 SHORT DRIFTS
Comment (Geology): GEOL.DESC: IN HIGHLY SHEARED SERPENTINE NEAR THE W CONTACT OF THE SERPENTINE WITH GRANODIORITE; MAXIMUM THICKNESS OF THEMASSIVE ORE WAS 2'; SMALL AMOUNT OF DISSEMINATED ORE ALSO PRESENT. TO THE WEST OF THE DEPOSIT THE SERPENTINE CONTAINS SOME ASBESTOS.
References
Reference (Deposit): CALIF. B. 134, PT. III, CH. 2,P. 47 AND PL. 5; B. 76, P. 123
Reference (Deposit): CALIF. COUNTY REPT. NO. 2, P. 22, 130 AND PL. D
Reference (Deposit): USGS MAP GQ-222
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.
