Silver Bar Bryan, Silver

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Silver, Gold

Lat, Long: 37.42389, -119.91194



Silver Bar Bryan, Silver MRDS details

Site Name

Commodity

Location

Primary: "Silver Bar Bryan, Silver"
Primary: Silver
Primary: Gold
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Owner Name: Jeffery Investment Co.
Company ID:
Percent:
Home Office:
Info Year:
Years: -

Record Type: Site
Operation Category: 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:


Physiography

Mineral Deposit Model

Orebody

General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Physiographic Detail:


Structure

Alterations

Rocks



Analytical Data

Materials



Comments

Comment Type:
Deposit
Comment FOUR CLAIMS. ORE EXPOSED ON THE DUMP SHOWS GALENA, PYRITE, ARSENOPYRITE AND ARGENTITE. PROUSTITE, PYRARGYRITE, NATIVE SILVER AND GOLD ARE ALSO REPORTED IN THE ORE FROM THE MINE. IN 1939 ORE WAS SAID TO AVERAGE 15-20 OZ. SILVER AND 0.15 OZ. GOLD PER TON. THE TONNAGE OF ORE MINED OR BLOCKED OUT AT THAT TIME WAS ABOUT 4000 TONS. NOTE: THERE IS A PROSPECT SHOWN NEAR (100' FROM LINE) THE E1/4 COR. OF SEC. 8 ON U.S. GEOL. SURVEY QUAD. MARIPOSA, CALIF., 1948 WHICH IS PROBABLY THE LOCATION OF THIS MINE. 17TH REPT. ST. MIN. P. 138 (SHOWS LOC. IN 20-5S-19E)
Comment Type:
Production
Comment WORKED IN A SMALL WAY PRIOR TO 1927. A SMALL PRODUCTION WAS RECORDED FOR THE YEARS 1909, 1920, 1921. A SMALL PRODUCTION REALIZED IN 1930, MOST OF THE SILVER PRODUCTION BEING IN THAT YEAR. WORKINGS PARTLY CAVED IN SEPTEMBER, 1954.
Comment Type:
Workings
Comment A 257-FT. INCLINED SHAFT, DRIFT ADIT; DRIFTING ON 2 LEVELS AGGREGATES 828 FT.


References

Reference Category:
Deposit
Pages:
Reference: CALIF. JOUR. MINES & GEOLOGY, V. 53, NOS. 1 & 2, PP. 192-194, 329
URL:
Reference Category:
Deposit
Pages:
Reference: USGS MR-34.
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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