The Robinson & Orr Group is a gold mine located in Mariposa county, California at an elevation of 2,500 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.
Elevation: 2,500 Feet (762 Meters)
Primary Mineral: Gold
Lat, Long: 37.57306, -119.98694
Active Mining Claims
Claim data is for Mines level premium members.
Robinson & Orr Group MRDS details
Site NamePrimary: Robinson & Orr Group
Years: 1932 - 1936
Operation Category: Past Producer
Operation Type: Unknown
Years of Production:
Deposit Size: S
PhysiographyGeneral Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
|Comment: QUARTZ STRINGERS IN QUARTZ PORPHYRY DIKE|
|Comment: TUNNEL, SHORT CROSSCUT.|
Reference Category: Deposit
Reference: BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 301