Pennsylvania

The Pennsylvania is a manganese mine located in Santa Clara county, California at an elevation of 2,320 feet.

About the MRDS Data:

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.

Mine Info

Name: Pennsylvania  

State:  California

County:  Santa Clara

Elevation: 2,320 Feet (707 Meters)

Commodity: Manganese

Lat, Long: 37.33444, -121.48583

Map: View on Google Maps

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.


Satelite image of the Pennsylvania

Pennsylvania MRDS details

Site Name

Primary: Pennsylvania


Commodity

Primary: Manganese


Location

State: California
County: Santa Clara


Land Status

Land ownership: Private
Note: the land ownership field only identifies whether the area the mine is in is generally on public lands like Forest Service or BLM land, or if it is in an area that is generally private property. It does not definitively identify property status, nor does it indicate claim status or whether an area is open to prospecting. Always respect private property.


Holdings

Not available


Workings

Not available


Ownership

Not available


Production

Not available


Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: M


Physiography

General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Coast Ranges


Mineral Deposit Model

Not available


Orebody

Not available


Structure

Not available


Alterations

Not available


Rocks

Name: Chert
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous


Analytical Data

Analytical Data: AVERAGE GRADE 25 PERCENT MANGANESE


Materials

Ore: Bementite
Ore: Rhodochrosite


Comments

Comment (Location): LOCATED IN S 1/2 SECTION 12 , UTM APPROX

Comment (Geology): GEOL.DESC: ORE BODY IS THICK STUMPY LENS ENCLOSED IN THICK-BEDDED WHITE TO BUFF CHERT. MAIN LENS IS 30 FT. LONG, WITH 6 FT. MAXIMUM THICKNESS, STRIKING N 15 W, AND DIPPING 60 S.W. CHERT IS IN FAULT. CONTACT WITH FRANCISCAN SANDSTONE. VERY LITTLE MANGANESE OXIDE IS PRESENT IN MAIN ORE BODY, MAINLY ALONG SEAMS AND CRACKS. ORE IS MAINLY BROWN BEMENTITE, SOME RHODOCHROSITE.


References

Reference (Deposit): CALIF. JOUR. MINES & GEO. V. 50, NO.2, APR. 1954, P.415.

Reference (Deposit): D.O.M. BULL. 152 1950 P. 258

Reference (Deposit): TRASK, PARKER, NOTES ON THE MANGANESE RESOURCES OF CALIF, 1944 , UNPUB.


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