Eureka I

  

Mine Info

State: California

County: Mariposa

Elevation: 2,999 feet (914 meters)

Primary Mineral: Gold

Lat, Long: 37.52361, -119.86028



Eureka I MRDS details

Site Name

Commodity

Location

Primary: "Eureka I"
Secondary: "Eureka 1 & 2"
Primary: Gold
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Owner Name: Russell G. Fournier
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:
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



Analytical Data

Materials

Ore: Gold
Gangue: Quartz


Comments

Comment Type:
Commodity
Comment SAMPLES AVE. 1.26 OZ/TON. RICH STREAK IN CENTER OF VEIN.
Comment Type:
Production
Comment PRODUCED SEVERAL HUNDRED TONS OF ORE BETWEEN 1927 AND 1940 THAT AVERAGED 0.845 OZ. OF GOLD AND 0.32 OZ. OF SILVER PER TON.
Comment Type:
Deposit
Comment VEIN
Comment Type:
Workings
Comment 3 ADITS, THE LOWEST 150 FT. BELOW HIGHEST, EXTENDS 410 FT. THE 2ND, 100 FT. BELOW TOP ADIT, EXTENDS 300 FT. TOP ADIT EXTENDS 30 FT.
Comment Type:
Geology
Comment GEOL.DESC: VEIN 18 IN. TO 2 FT. THICK


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. 258 .
URL:
Reference Category:
Deposit
Pages:
Reference: JULIHN, C. E., & HORTON, F. W., 1940 , MINERAL RESOURCES SURVEY OF THE US: US BUREAU OF MINES BULL. 424 , P. 153 .
URL:
Reference Category:
Deposit
Pages:
Reference: LAIZURE, C. MCK., 1935 , CURRENT MINING ACTIVITIES IN THE SAN FRANCISCO DISTRICT WITH SPEC. REF. TO GOLD: CALIF. JOUR. MINES & GEOL., VOL. 31 , NO. 1 , P. 32 - 33 .
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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