Horseshoe I

  

Mine Info

State: California

County: Mariposa

Elevation: 2,500 feet (762 meters)

Primary Mineral: Gold

Lat, Long: 37.74806, -120.03500



Horseshoe I MRDS details

Site Name

Commodity

Location

Primary: "Horseshoe I"
Secondary: "Bower Cave"
Primary: Gold
Secondary: Zinc
Secondary: Silver
Secondary: Copper
Secondary: Lead
State: California
County: Mariposa
District: East Belt
 

Land Status

Holdings

Workings

Land ownership: National Forest
Administrative Organization:
Type: Underground


Ownership

Production

Deposit

Owner Name: Joseph Dupret, Jr. And Irene Dupret
Company ID:
Percent:
Home Office:
Info Year:
Years: -

Year: 1953
Time Period:
Mined:
Material type: ORE
Description: Ap_Grade: ^1.4 Oz Au/Ton 0.3 Oz Ag/Ton
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: 1867
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

Type: L
Structure:
Description: Metasedimentary Cleavage Strikes Nw, Dips Sw.


Analytical Data

Materials

Ore: Gold
Ore: Chalcopyrite
Ore: Galena
Ore: Sphalerite
Ore: Pyrite


Comments

Comment Type:
Location
Comment UTM ACC. BASED ON BOWER CAVE, SW 1/4 NW 1/4 SEC. 19 , 2 S, 18 E, COULTERVILLE 15 MINUTE QUAD. 1947 . PROPERTY MAYBE ONE OF 3 , NE 1/4 NE 1/4 SEC 23 , 2 S 17 E JAWBONE RIDGE QUAD 1947 .
Comment Type:
Production
Comment ACTIVE INTERMITTENTLY FROM 1867 - 1913 . REOPENED IN 1951 , ACTIVE SINCE 1953 PRODUCING $13,000 FROM DEVELOPMENT WORK.
Comment Type:
Deposit
Comment TWO QUARTZ VEINS, NEARLY PARALLEL.
Comment Type:
Workings
Comment PRINCIPAL WORKINGS. CROSSCUT ADIT 200 FEET, 125 FEET DEEP, 1500 FEET OF DRIFTS, 50 FOOT WINZE ON S VEIN WITH 130 FEET OF DRIFTS.
Comment Type:
Deposit
Comment PATENTED 20 ACRE CLAIM. SPONGE GOLD SENT TO MINT. SULFIDE CONCENTRATE SENT TO SELBY CA. SMELTER. MINE AND MILL HAND OPERATED BY THREE MEN PROCESSING SIX TONS ORE/DAY. PRESENT ACTIVITY UNKNOWN.


References

Reference Category:
Deposit
Pages:
Reference: AUBURY, L. E., 1904 , REGISTER OF MINES AND MINERALS, MARIPOSA COUNTY CALIFORNIA: CALIFORNIA STATE MINING BUREAU, P. 11 .
URL:
Reference Category:
Production
Pages:
Reference: BOWEN & GRAY 1957 , MAURER & WALLACE, 1956 .
URL:
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 , PP. 112 - 113 , 270 .
URL:
Reference Category:
Deposit
Pages:
Reference: WALLACE, R. E., MCLENEGAN, J. D., MATSON, E. J., 1957 , THE MINERAL INDUSTRY OF CALIFORNIA IN MINERALS YEARBOOK 1954 , VOLUME THREE, AREA REPORTS: U.S. BUREAU OF MINES, P. 220 .
URL:
Reference Category:
Deposit
Pages:
Reference: MAURER, R. B., WALLACE, R. E., 1956 , THE MINERAL INDUSTRY OF CALIFORNIA IN MINERALS YEARBOOK 1953 , VOLUME 3 , AREA REPORTS: U.S. BUREAU OF MINES, P. 212 .
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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