La Victoria

  

Mine Info

State: California

County: Mariposa

Elevation:

Primary Mineral: Copper, Zinc

Lat, Long: 37.60528, -120.19972



La Victoria MRDS details

Site Name

Commodity

Location

Primary: "La Victoria"
Secondary: "Victoire"
Secondary: "La Victoire"
Secondary: "Tandem"
Primary: Copper
Primary: Zinc
State: California
County: Mariposa
District: Hunter Valley
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Owner Name: Ralph E. And Libbie N. Dailey
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: 1864
Year Last Production: 1917
Discovery Year: 1864
Discovery Method:
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

Mineral Deposit Model

Orebody

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


Structure

Alterations

Rocks

Type: L
Structure:
Description: Folds, Faults, Shear Zones: Faults And Shear Zones Two Major Systems; ( 1 ) Faults Which Strike N 60 - 80 W, Dip Northward, Few Dip Southward, ( 2 ) Faults Which Strike North To 50 W, Dip 10 - 50 Ne. Most Prominent Shear Zone From 1st System Is Poupion Shear Zone. Most Prominent In 2nd System Is La Victoria Shear Zone.
Name: Greenstone
Role: Host
Description:
Age Type: Host Rock Unit
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Jurassic
Age Old:
Name: Greenstone
Role: Host
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Jurassic
Age Old:


Analytical Data

Materials

Analytical Data : AVG. CU FROM UPPER WORKINGS 5.3 %, FROM LOWER WORKINGS 4.1 %.
Ore: Chalcocite
Ore: Chalcopyrite
Ore: Malachite
Gangue: Quartz
Gangue: Limonite
Gangue: Hematite


Comments

Comment Type:
Reserve-Resource
Comment ENRICHED 5 % ORE OF MINE IS NEARLY EXHAUSTED. SMALL AMOUNT REMAINS IN PILLARS ABOVE BOTTOM LEVEL. AVG. GRADE OF PRIMARY ORE ON BOTTOM LEVEL IS 4 % CU, 2 % ZN, AND LESS 0.1 OZ AU/TON. OTHER ZONE BELIEVED TO CARRY COPPER ORE IS JUST EAST OF CAVAGNARO SHAFT.
Comment Type:
Production
Comment 1864 - 1865 OVER 2,000 TONS OF SORTED ORE AND 2,000 TONS OF ORE TREATED AT THE MINE. NO PRODUCTION REPORTED.
Comment Type:
Geology
Comment GEOL.DESC: AREA UNDERLAIN BY SLIGHTLY METAMORPHOSED VOLCANIC ROCKS AND CHERT. AREA IS NEAR CREST OF LARGE ANTICLINE, TRENDS NW, PLUNGES GENTLY SE. OVERTURNED WEST LIMB OF ANTICLINE IS CUT OFF BY PINEY THRUST.
Comment Type:
Deposit
Comment ORE ZONE IS EXPOSED 125 FT. ALONG MAIN LEVEL. COPPER - BEARING PART OF SHOOT IS RESTRICTED TO PART OF SHEAR ZONE WHICH STRIKES N 15 W.
Comment Type:
Workings
Comment DEPOSIT IS DEVELOPED FOR 250 FT. ALONG DIP BY WORKINGS ON 4 LEVELS: ADIT LEVEL ELEV. 1958 FT., INTERMEDIATE LEVEL ELEV. 1931 FT., MAIN LEVEL 1900 FT., AND BOTTOM LEVEL 1858 FT. NUMEROUS PITS, SHALLOW SHAFTS, AND 785 FT. OF DRIFTS, CROSSCUTS AND INCLINES.
Comment Type:
Deposit
Comment Discovery Year: APRIL 1864


References

Reference Category:
Deposit
Pages:
Reference: BOWEN, O. E. AND CLIFFTON, G. H., 1957 , MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY, CALIFORNIA; CALIF. JOUR. MINES AND GEOLOGY, VOL. 53 , NO. 1 & 2 , P. 66 - 67 .
URL:
Reference Category:
Deposit
Pages:
Reference: COX, M. W. AND WYANT, D. G., 1948 , LA VICTORIA COPPER MINE, MARIPOSA COUNTY, CALIFORNIA; COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 127 - 132 .
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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