Maurezzio Group

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

Name: Maurezzio Group  

State:  California

County:  Plumas

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.


Satelite image of the Maurezzio Group

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


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