Silver Lead

  

Mine Info

State: California

County: Mariposa

Elevation: 1,201 feet (366 meters)

Primary Mineral: Gold

Lat, Long: 37.55944, -120.21278



Silver Lead MRDS details

Site Name

Commodity

Location

Primary: "Silver Lead"
Secondary: "St. Gabriel and Honeycomb"
Secondary: "Silver Lead & Margavetta"
Primary: Gold
Secondary: Copper
Secondary: Lead
Secondary: Zinc
Secondary: Silver
State: California
County: Mariposa
District: Hornitos
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: E. G. Branson Et Al.
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: 1865
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: S


Physiography

Mineral Deposit Model

Orebody

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Physiographic Detail:
Name:
Form:


Structure

Alterations

Rocks

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


Analytical Data

Materials

Ore: Galena
Ore: Gold
Ore: Pyrite
Ore: Chalcopyrite
Ore: Sphalerite
Gangue: Quartz


Comments

Comment Type:
Deposit
Comment Discovery Year: 1860'S
Comment Type:
Geology
Comment WALL ROCKS CHIEFLY DENSE, MASSIVE BLUE - BLACK QUARTZ - BIOTITE HORNFELS & MASSIVE SPOTTED SLATE. CUT AT DEPTH BY GREEN METAVOLCANIC DIKES & DARK, QUARTZ - RICH GRANODIORITE PORPHYRY DIKES NEITHER OF WHICH OUTCROP CONSPICUOUSLY.
Comment Type:
Deposit
Comment 2 PATENTED CLAIMS. SILVER LEAD AND MARGARETTA, TOTAL OF 39.84 ACRES. PROPERTY ORIGINALLY INCLUDED ST. GABRIEL AND HONEYCOMB CLAIMS, BUT THESE MAY HAVE BEEN RENAMED. ; INFO.SRC : 1 PUB LIT
Comment Type:
Production
Comment NO PRODUCTION RECORD FOUND ORE MILLED DURING LATER PERIOD OF MINING YIELDED $4 - $7/TON OPERATED AT INTERVALS UP TO 1914; 1919-22; 1935-47. OPERATED AT INTERVALS UP TO 1914; 1919-22; 1935-47.
Comment Type:
Deposit
Comment VEIN, ZONE OF STRINGERS 2 - 4 FT THICK
Comment Type:
Workings
Comment INCLINE W/2 OR 3 LEVELS. SEVERAL SHORT TUNNELS, SHALLOW SHAFTS & PITS.


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. 169 - 170 , 305
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. 116 - 117
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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