The Trinity Deposit is a chromium mine located in San Benito county, California at an elevation of 4,400 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: 4,400 Feet (1,341 Meters)
Commodity: Chromium
Lat, Long: 36.34306, -120.68000
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.
Trinity Deposit MRDS details
Site Name
Primary: Trinity Deposit
Commodity
Primary: Chromium
Location
State: California
County: San Benito
District: New Idria
Land Status
Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Blackie, J. J.
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Discovery Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges
Physiographic Detail: Mount Diablo
Mineral Deposit Model
Not available
Orebody
Form: LENSE, POD
Structure
Not available
Alterations
Not available
Rocks
Name: Serpentinite
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Ore: Chromite
Comments
Comment (Production): ORE PRODUCTION LESS THAN 150 LONG TONS
Comment (Deposit): CHROMITE DEPOSITS OCCUR IN A SERPENTINE MASS 12.5 MILES LONG AND 3 TO 4.5 MILES WIDE. MOST OF CHROMITE IS FOUND IN FLOAT BOULDERS SCATTERED ON HILLSIDES AND IN GRAVELS OF ADJOINING CREEK S.
Comment (Geology): SERPENTINE IS HIGHLY SHEARED IN MOST PLACES.
References
Reference (Deposit): WALKER, G.W. AND GRIGGS, A.B., 1953, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIF. DIVISION OF MINES BULLETIN 134, PART 2, CHAPT. 2, P 54,55,80
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.
