The Unknown is a chromium mine located in Colusa 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: 39.06306, -122.43778
Active Mining Claims
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Unknown MRDS details
Site NamePrimary: Unknown
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: SMALL AMOUNT OF ORE MINED.|
|Comment: REPORTED OCCURRENCE. CAN THIS BE F. C. INNES PROSPECT LISTED IN CDM BULL. 134, PT. 2, CH. 1, P. 9?. FIG 1 SHOWS THIS UNCERTAINLY 1 MI. N 30 DEG. W OF WILBUR SPRINGS IN ABOUT SEC. 17. DETRITAL SERPENTINE IS EXPOSED IN SEC. 34.|
Reference Category: Deposit
Reference: D.O.M. EC. MIN. MAP NO. 3, CHROMITE, 1942