The Mexican I is a gold mine located in Mariposa county, California at an elevation of 2,001 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: 2,001 Feet (610 Meters)
Commodity: Gold
Lat, Long: 37.54833, -120.10111
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.
Mexican I MRDS details
Site Name
Primary: Mexican I
Commodity
Primary: Gold
Location
State: California
County: Mariposa
District: Mt. Bullion
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Ellen T. Simpson, Et. Al.
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1855
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Slate
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Gold
Gangue: Quartz
Comments
Comment (Deposit): Discovery Year: 1850'S
Comment (Geology): GEOL.DESC: HANGING WALL IS MARIPOSA SLATE FOOTWALL IS PYROXENE ANDESITE GREENSTONE OF PROBABLE UPPER JURASSIC AGE.
Comment (Deposit): INCLUDED IN LAS MARIPOSAS GRANT. THE UPPER PART OF THE VEIN APPARENTLY CONTAINED POCKETS OF HIGHGRADE ORE FORMED BY OXIDATION AND REMOVAL OF VALUELESS SULFIDE MINERALS. THERE IS LITTLE INDICATION THAT RIGHT ORE WAS FOUND AT DEPTH BUT VEIN WAS NEVER THOROUGHLY EXPLORED BECAUSE OF THE WATER.
Comment (Location): UTM EST. BOWEN LIST CLAIM IN SEC. 23 PROBABLY MEANS SEC. 33 .
Comment (Production): $50,000 REMOVED PRIOR TO 1859 .
Comment (Deposit): VEIN SYSTEM IS DISCONTINUOUS AND IS MADE UP OF A SERIES OF SUBPARALLEL MEMBERS & INTERSECTING CUTTER VEINS.
Comment (Workings): ORIGINALLY WORKED FROM A SHALLOW PIT; A 150-FT. SHAFT WAS DUG IN 1908, LITTLE OR NO DEVELOPMENT SINCE.
References
Reference (Production): BOWEN & GRAY 1957
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. 132 , 284
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.
