The Graham Group is a chromium mine located in Mendocino 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.
Primary Mineral: Chromium
Lat, Long: 39.07278, -123.09250
Active Mining Claims
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Graham Group MRDS details
Site NamePrimary: Graham Group
Operation Category: Producer
Operation Type: Unknown
Years of Production:
PhysiographyGeneral Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges
Mineral Deposit Model
|Comment: 35 TONS OF HIGH-GRADE 75 TONS OF LOW-GRADE EST. RESERVES 10,000-30,000 TONS.|
|Comment: GEOL.DESC: LOW-GRADE LAYERED DEPOSITS IN DUNITE.|
Reference Category: Deposit
Reference: CALIF. DIV. MINES V. 49, NO. 4, P. 356, 377; B. 134, PT. 2, CH. 2, P. 17-18, 33, FIG. 1; B. 50, P. 161