Black Spider

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Gold

Lat, Long: 37.655, -120.13889



Black Spider MRDS details

Site Name

Commodity

Location

Primary: "Black Spider"
Secondary: "Gray Eagle"
Secondary: "Blue Jay"
Primary: Gold
Secondary: Silver
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Owner Name: Walter Mclean
Company ID:
Percent:
Home Office:
Info Year:
Years: -

Year: 1935
Time Period:
Mined:
Material type: AU
Description: Ap_Grade: ^Au .2 Oz/Ton
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
Ore: Silver
Gangue: Quartz


Comments

Comment Type:
Location
Comment ADJOINS FLYAWAY GROUP OF MINES ON NW. UTM EST. SEC LINES PROJECTED.
Comment Type:
Production
Comment DURING 1935 ABOUT 480 TONS OF ORE YIELDED 85.48 OZ AU. WORKED BY HAND METHODS. IN 1954 AU & AG RECOVERED BY AMALGAMATION.
Comment Type:
Deposit
Comment QUARTZ VEIN
Comment Type:
Workings
Comment IN 1914, A 133-FT. INCLINED SHAFT, 355 FT. OF DRIFTS, 300-FT. CROSSCUT TUNNEL AND TWO STOPES.
Comment Type:
Geology
Comment GEOL.DESC: IN POCKETS, AND IN SULFIDE IMPREGNATED SERPENTINE. QUARTZ VEIN AT CONTACT OF GREENSTONE (NE) AND SERPENTINE (SW).


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. 242 .
URL:
Reference Category:
Deposit
Pages:
Reference: WALLACE, R. E., ETAL, 1957 , THE MINERAL INDUSTRY OF CALIF.: US BUR. OF MINES MINERALS YEARBOOK FOR 1954 , VOL. 3 , P. 220 .
URL:
Reference Category:
Production
Pages:
Reference: REF. 1 AND REF. 2 .
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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