Schroeder Gp

  

Mine Info

State: California

County: Mariposa

Elevation: 2,251 feet (686 meters)

Primary Mineral: Gold

Lat, Long: 37.58417, -119.99417



Schroeder Gp MRDS details

Site Name

Commodity

Location

Primary: "Schroeder Gp"
Primary: Gold
Secondary: Silver
State: California
County: Mariposa
District: Colorado
 

Land Status

Holdings

Workings

Land ownership:
Administrative Organization:
Type: Surface/Underground


Ownership

Production

Deposit

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:
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: Schistosity Strikes N 60 W, Dips Steep Sw
Name: Greenstone
Role: Host
Description:
Age Type: Host Rock
Age in Years:
Dating Method:
Material Analyzed:
Age Young: Late Permian
Age Old:


Analytical Data

Materials

Gangue: Quartz


Comments

Comment Type:
Production
Comment TOTAL PRODUCTION PROBABLY $200,000 - $300,000. ORIGINALLY PLACERED BEFORE VEIN WAS FOUND.
Comment Type:
Deposit
Comment VEINS, DISCONTINUOUS BLANKET VEIN INCHES - 3 FT THICK
Comment Type:
Workings
Comment OPEN CUT, ADITS, SHAFTS
Comment Type:
Geology
Comment WALL ROCKS ARE MASSIVE, SCHISTOSE & SLATY PYROXENEANDESITE GREENSTONES DERIVED PARTLY FROM TUFF & PARTLY FROM MASSIVE FLOWS AND DIKES.


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
URL:
Reference Category:
Production
Pages:
Reference: BOWEN & GRAY, 1957
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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