The Maurezzio Group is a chromium mine located in Plumas county, California at an elevation of 5,079 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: 5,079 Feet (1,548 Meters)
Commodity: Chromium
Lat, Long: 39.85111, -120.99361
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.
Maurezzio Group MRDS details
Site Name
Primary: Maurezzio Group
Secondary: Claims: Commander
Secondary: Commander Extension
Secondary: Deerhorn
Secondary: Deerhorn Extension
Secondary: Bottle Springs
Commodity
Primary: Chromium
Location
State: California
County: Plumas
District: Middle Fork Of Feather River 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: F. Maurezzio And R. R. Jesky, Quincy, Co.
Owner Name: Same As Above.
Production
Year: 1943
Time Period: 1942-1943
Material type: ORE
Description: Cp_Grade: ^38.76% Cr2o3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1942
Year Last Production: 1943
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: LENSE
Form: LENSE
Structure
Type: L
Description: Chromite Deposits Associated With Shear Zone, Commander Claim.
Alterations
Not available
Rocks
Not available
Analytical Data
Analytical Data: ORE AVG. 38.76% CR2O3, 12.11% FE, CR TO FE RATIO 2.19 TO 1 (COMMANDER CLAIM)
Materials
Ore: Chromite
Comments
Comment (Production): ORE SHIPPED FROM COMMANDER CLAIM ONLY.
Comment (Deposit): ORE FOUND IN PLACE ON THE COMMANDER AND BOTTLE SPRING CLAIMS ONLY. FLOAT FOUND ON THE OTHER 3 CLAIMS.
Comment (Workings): WORKINGS CONSISTED OF A LONG OPEN CUT A 30 FT LONG DRIFT AND A PROSPECT PIT ON THE COMMANDER CLAIM. BOTTLESPRING CLAIM HAD A BULLDOZER TRENCH. (1943).
References
Reference (Production): CDMG BULL 134, PART 3, CHAPT. 5, P. 298
Reference (Deposit): RYNEALSON, G. A., 1953, CDMG BULL 134, PART 3, CHAPT. 5, P. 298
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.
