The Louis and Louis Ext. is a gold mine located in Mariposa county, California at an elevation of 2,201 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: 2,201 Feet (671 Meters)
Commodity: Gold
Lat, Long: 37.51083, -120.07556
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.
Louis and Louis Ext. MRDS details
Site Name
Primary: Louis and Louis Ext.
Commodity
Primary: Gold
Location
State: California
County: Mariposa
Land Status
Not available
Holdings
Not available
Workings
Type: Underground
Ownership
Owner Name: Mariposa Com'L And Mining Co.
Home Office: Mariposa Com'L & Mining Co.
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 (Geology): GEOL.DESC: MARIPOSA FM.
Comment (Production): LAST ACTIVE IN 1912
Comment (Deposit): VEINS, AVG. 4 FT. THICK
Comment (Workings): VERTICAL SHAFT 375 FT. DEEP 2/3 LEVELS; 150-FT. AIR SHAFT, 850 FT. DRIFTS; 775 FT. CROSSCUTS; 600 FT. WINZES - INACCESSIBLE IN SEPT. 1954.
Comment (Deposit): INCLUDED IN A PARCEL OF LAND CONTAINING 240 ACRES THAT ALSO INCLUDES THE MT. VIEW WHICH ADJOINS THESE CLAIMS. VEIN IS ONE OF THE MOTHER LODE SYSTEM AND IS CHIEFLY MILKY QUARTZ CONTAINING NATIVE GOLD. SITE OF MAIN SHAFT IS MARKED BY A LARGE WHITE DUMP.
Comment (Deposit): Discovery Year: 1850'S
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. 119 , 278 .
Reference (Deposit): CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU. P. 121 .
Reference (Deposit): LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 98 .
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.
