Johnnie Green

  

Mine Info

State: California

County: Mariposa

Elevation: 1,099 feet (335 meters)

Primary Mineral: Copper

Lat, Long: 37.28361, -120.03750



Johnnie Green MRDS details

Site Name

Commodity

Location

Primary: "Johnnie Green"
Secondary: "Green"
Secondary: "Johnny Green"
Secondary: "Jr."
Primary: Copper
Secondary: Silver
State: California
County: Mariposa
District:
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type:


Ownership

Production

Deposit

Record Type: Site
Operation Category: Producer
Deposit Type: Replacement
Plant Type:
Plant Subtype:
Operation Type: Unknown
Mining Method:
Milling Method:
Year First Production:
Year Last Production:
Discovery Year: 1863
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:


Structure

Alterations

Rocks



Analytical Data

Materials

Ore: Chalcopyrite
Gangue: Quartz


Comments

Comment Type:
Workings
Comment FOUR INCLINED SHAFTS OF UNKNOWN DEPTH, ONE CAVED ADIT: WORKINGS HAVE NO MEANS OF ACCESS.
Comment Type:
Geology
Comment GEOL.DESC: MINE AREA IS IN BELT OF QUARTZ - MICA AND QUARTZ - MICA - CHIASTOLITE SCHIST, STRIKES N 30 - 40 W, DIPS ROUGHLY 60 NE.
Comment Type:
Deposit
Comment THE PRIMARY ORE CONSISTS OF CHALCOPYRITE AND PYRITE OR PYRRHOTITE; THERE IS SOME CARBONATE ORE IN THE UPPER PARTS OF THE SHOOTS. THE WORKINGS HAVE NO MEANS OF ACCESS AND THERE WAS NO EQUIPMENT ON THE PROPERTY IN 1954. A SMALL SHIPMENT OF OXIDIZED ORE WAS SHIPPED FR. THIS AREA IN 1954 BUT IT IS NOW KNOWN WHICH PROPERTY THE ORE WAS FROM.
Comment Type:
Production
Comment 1866 ; 50 TONS OF COPPER ORE WERE SMELTED AND SHIPPED PER WEEK. 1907 HIGH-GRADE COPPER ORE WAS STILL BEING MINED. 1954 OXIDIZED ORE SHIPPED FROM THE AREA.
Comment Type:
Deposit
Comment ORE SHOOTS IMPREGNATING SCHIST IN REPLACEMENT MASSES BORDERING NARROW QUARTZ VEINS.


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 .
URL:
Reference Category:
Deposit
Pages:
Reference: ERIC, J. H., 1948 , COPPER IN CALIFORNIA BULL. 144 ; DIV. OF MINES, P. 267 .
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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