Crown Lead

  

Mine Info

State: California

County: Mariposa

Elevation: 2,001 feet (610 meters)

Primary Mineral: Gold

Lat, Long: 37.63833, -120.16667



Crown Lead MRDS details

Site Name

Commodity

Location

Primary: "Crown Lead"
Primary: Gold
State: California
County: Mariposa
District: Coulterville
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: Joseph And Emilie Kopf
Company ID:
Percent:
Home Office:
Info Year:
Years: -

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: 1864
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: PINCH & SWELL


Structure

Alterations

Rocks

Name: Slate
Role: Host
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Jurassic
Age Old:


Analytical Data

Materials

Ore: Gold
Gangue: Quartz
Gangue: Ankerite


Comments

Comment Type:
Deposit
Comment PATENTED PROPERTY. CLAIM EXTENDS FOR MORE THAN 5500 FT. ALONG A BRANCH OF THE MOTHER LODE.
Comment Type:
Geology
Comment GEOL.DESC: QUARTZ VEIN 3 TO 10 FT. THICK ON CONTACT BETWEEN A SERPENTINE INTRUSION AND SLATE OF THE UPPER JUR MARIPOSA FM.
Comment Type:
Location
Comment SE 1/4 26 ; NE CORNER 35 ; NW 1/4 36 . UTM EST.
Comment Type:
Production
Comment OPERATED AT VARIOUS TIMES IN CONJUNTION WITH THE CROWN PEAK AND RED BANK OR STEVENSON GROUP OF CLAIMS. HAS A LONG RECORD OF INTERMITTENT ACTIVITY BUT ONLY A SMALL RECORD OF PRODUCTION. IDLE.
Comment Type:
Deposit
Comment QUARTZ VEIN
Comment Type:
Workings
Comment 50 FT. INCLINED SHAFT AND A TUNNEL OF UNKNOWN LENGTH NOW CAVED.


References

Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 253
URL:
Reference Category:
Deposit
Pages:
Reference: LOGAN, C. A., 1934 , MOTHER LODE GOLD BELT OF CALIF.: CDM BULL. 108 , PL. 10 (LOC.).
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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