Louis and Louis Ext.

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

Name: Louis and Louis Ext.  

State:  California

County:  Mariposa

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.


Satelite image of the Louis and Louis Ext.

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

"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.