Princeton

  

Mine Info

State: California

County: Mariposa

Elevation: 2,100 feet (640 meters)

Primary Mineral: Gold

Lat, Long: 37.50111, -120.03056



Princeton MRDS details

Site Name

Commodity

Location

Primary: "Princeton"
Secondary: "New Princeton"
Secondary: "Princeton Ext"
Primary: Gold
Secondary: Lead
Secondary: Zinc
Secondary: Copper
State: California
County: Mariposa
District: Mt. Bullion
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

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: M


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

Type: L
Structure:
Description: Thrust Fault
Alteration Type: L
Alteration:
Alteration Text: Slate Severely Bleached & Hydrothermally Altered Near Vein.
Name: Slate
Role: Host
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Jurassic
Age Old:
Name: Slate
Role: Host
Description:
Age Type: Host Rock Unit
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Jurassic
Age Old:


Analytical Data

Materials

Ore: Gold
Ore: Pyrite
Gangue: Quartz


Comments

Comment Type:
Workings
Comment SHAFTS, 9 LEVELS W/OVER 11,500 FT DRIFTS, OVER 3000 FT CROSS CUTS & RAISES
Comment Type:
Deposit
Comment GREATEST RECORDED PRODUCTION IN MARIPOSA COUNTY ; INFO.SRC : 1 PUB LIT
Comment Type:
Production
Comment EARLY ORE YIELDED $70/TON, LATER AVG. $7/TON. TOTAL PRODUCTION MAY EXCEED $5 MILLION
Comment Type:
Deposit
Comment VEIN, 4 - 8 FT THICK
Comment Type:
Geology
Comment MARIPOSA FM CUT BY DIKES OF SHEARED GRANITE PORPHYRY


References

Reference Category:
Production
Pages:
Reference: BOWEN & GRAY 1957
URL:
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. 155 - 158 , 297
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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