The Porphyry Hill 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: 37.475, -120.02220
Active Mining Claims
Claim data is for Mines level premium members.
Porphyry Hill MRDS details
Site NamePrimary: Porphyry Hill
Land StatusLand ownership: Unknown
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Years of Production:
PhysiographyGeneral Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Reference Category: Deposit
Reference: CALIF. JOUR. MINES & GEOL. V. 53, NOS. 1&2, JAN.-APR. 1957,