The Martinez is a gold mine located in Mariposa county, California at an elevation of 1,499 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
Elevation: 1,499 Feet (457 Meters)
Commodity: Gold
Lat, Long: 37.4775, -120.21528
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.
Martinez MRDS details
Site Name
Primary: Martinez
Commodity
Primary: Gold
Secondary: Silver
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Mrs. E. J. Hannah
Production
Year: 1939
Time Period: - 1939
Material type: ORE
Description: Cp_Grade: ^0.38 Oz. Au/Ton .06 Oz. Ag/Ton
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1870
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Metasedimentary Rock
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Pyrite
Ore: Gold
Gangue: Quartz
Comments
Comment (Location): UTM EST. SE 1/4 (?)
Comment (Deposit): VEIN, 2 - 5 FT. THICK
Comment (Geology): GEOL.DESC: AMADOR GROUP, SCHISTOSE AND HORNFELSIC METAVOLCANICS AND METASEDIMENTS
Comment (Deposit): PATENTED PROPERTY IS ON THE EXTENSION OF THE DUNCAN VEIN. IDLE SINCE 1939 .
References
Reference (Deposit): 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. 282
Reference (Production): BOWEN & GRAY 1957
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
