The Black Jack Occurrence is a chromium mine located in Trinity county, California at an elevation of 3,320 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: 3,320 Feet (1,012 Meters)
Commodity: Chromium
Lat, Long: 40.41917, -123.22528
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.
Black Jack Occurrence MRDS details
Site Name
Primary: Black Jack Occurrence
Commodity
Primary: Chromium
Location
State: California
County: Trinity
District: Forest Glen Area
Land Status
Land ownership: National Forest
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: Prath, William
Years: 1918 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1917
Year Last Production: 1917
Discovery Method: Ore-Mineral In Place
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENSE
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Ore: Chromite
Comments
Comment (Production): A SMALL TONNAGO WAS MINED IN 1917
Comment (Geology): THE DEPOSIT OCCURS IN ONE OF SEVERAL DIKE LIKE PERIDOTITE BODIES THAT ARE NW TRENDING ACROSS CENTRAL TO SW TRINITY CO.
References
Reference (Production): CDMG BULL 134, PT. 1, CHAPT. 3, P. 172
Reference (Deposit): O'BRIEN, J.C., 1965, CDMG COUNTY REPORT NO. 4, P. 56.
Reference (Deposit): WELLS, F.G. AND HAWKES, H.E., 1965, CDMG BULL 134, PART 1, CHAPT. 3, P. 169, 172.
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.
