Independence I

  

Mine Info

State: California

County: Mariposa

Elevation: 3,199 feet (975 meters)

Primary Mineral: Gold

Lat, Long: 37.66611, -119.94361



Independence I MRDS details

Site Name

Commodity

Location

Primary: "Independence I"
Secondary: "Twin Springs"
Primary: Gold
Secondary: Lead
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership: National Forest
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: Charles Jordan (Ownership Disputed In
Company ID:
Percent:
Home Office:
Info Year:
Years: - 1955

Record Type: Site
Operation Category: Past Producer
Deposit Type:
Plant Type:
Plant Subtype:
Operation Type: Unknown
Mining Method:
Milling Method:
Year First Production:
Year Last Production:
Discovery Year:
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Mineral Deposit Model

Orebody

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Physiographic Detail:
Name:
Form:


Structure

Alterations

Rocks

Name: Granite
Role: Associated
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Permian
Age Old:


Analytical Data

Materials

Ore: Galena
Ore: Gold
Ore: Pyrite


Comments

Comment Type:
Location
Comment UTM ACC. NE 1/4, NE 1/4
Comment Type:
Production
Comment EARLY HISTORY NOT KNOWN, REACTIVATED 1934 .
Comment Type:
Workings
Comment CROSSCUT ADIT 300 FT. LONG, DRIFT 300 FT., DEVELOPING 300 FT. OF BACKS AVERAGING AT LEAST 50 FT. HIGH.
Comment Type:
Deposit
Comment UNPATENTED 20 ACRE CLAIM
Comment Type:
Deposit
Comment VEIN
Comment Type:
Geology
Comment GEOL.DESC: DIKES ARE SCHISTOSE, WELL ALTERED. WALLROCKS OF CALAVERAS GROUP.


References

Reference Category:
Deposit
Pages:
Reference: 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. 113 , 270
URL:
Reference Category:
Production
Pages:
Reference: BOWEN & GRAY 1957
URL:

Did You Know.......

A mine is a hole in the ground, owned by a liar.
-Mark Twain

About The MRDS Mines Database

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.

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