Mocking Bird

  

Mine Info

State: California

County: Mariposa

Elevation: 2,700 feet (823 meters)

Primary Mineral: Gold

Lat, Long: 37.55167, -119.96361



Mocking Bird MRDS details

Site Name

Commodity

Location

Primary: "Mocking Bird"
Secondary: "Talc"
Secondary: "Lacy"
Primary: Gold
State: California
County: Mariposa
District: Colorado
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: David W. And Maxie S. Dukes
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: 1890
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

Alteration Type: L
Alteration:
Alteration Text: Talc Chlorite Clay Altered Greenstone Dike


Analytical Data

Materials

Ore: Gold
Gangue: Chlorite
Gangue: Talc
Gangue: Quartz
Gangue: Clay


Comments

Comment Type:
Geology
Comment GEOL.DESC: GOLD OCCURS AT THE BORDER OF A NEARLY VERTICAL, CHLORITIC, ALTERED GREENSTONE DIKE WHERE GENTLY DIPPING QUARTZ STRINGERS CUTTING THE DIKE CUT THE SLATE WALL-ROCKS. ALTERED DIKE AVERAGES 3 FT. THICK, QUARTZ STRINGERS ARE A FRACTION OF AN INCH TO SEVERAL INCHES THICK.
Comment Type:
Deposit
Comment PATENTED 20 ACRE CLAIM. PRODUCED SPECIMENS OF WIRY & ARBORESCENT GOLD.
Comment Type:
Production
Comment NO OTHER PRODUCTION RECORD FOUND.
Comment Type:
Deposit
Comment VEIN
Comment Type:
Workings
Comment 1 SHAFT WITH DRIFTS AND A TUNNEL SEVERAL HUNDRED FEET LONG.


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. 132 - 133 , 286 .
URL:
Reference Category:
Deposit
Pages:
Reference: LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU, P. 101 .
URL:
Reference Category:
Deposit
Pages:
Reference: CASTELLO, W. O., 1921 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY IN SEVENTEENTH REPORT OF THE STATE GEOLOGIST: CALIFORNIA STATE MINING BUREAU, P. 126 .
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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