The Newsom Prospect is a mine located in Santa Clara county, California.
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
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.
Newsom Prospect MRDS details
Site Name
Primary: Newsom Prospect
Commodity
Tertiary: Manganese
Location
State: California
County: Santa Clara
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
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
Not available
Analytical Data
Analytical Data: AVERAGE GRADE 20 PERCENT MANGANESE
Materials
Not available
Comments
Comment (Location): LOCATED IN SE 1/4 SECTION 26 , UTM APPROX.
Comment (Geology): GEOL.DESC: MASSIVE WHITE CHERT CARRIES THIN FILMS OF MANGANESE OXIDE, WHICH PINCHES OUT OR IS FAULTED OFF TO THE SOUTH END AND NORTH END OF THE CUT. THIN-BEDDED RED CHERT IS FOUND TO THE S, AND THIN-BEDDED SHALY CHERT TO THE N. FURTHER N. AN EXTREMELY FAULTED AND BRECCIATED MASS OF BROWN AND WHITE CHERT ENCLOSES AN IRREGULAR ORE BODY, 2 TO 11 FT. THICK.
References
Reference (Deposit): D.O.M. BULL. 152 1950 PP. 257 - 258
Reference (Deposit): D.O.M. BULL. 125 1943 P. 179
California Gold
"Where to Find Gold in California" looks at the density of modern placer mining claims along with historical gold mining locations and mining district descriptions to determine areas of high gold discovery potential in California. Read more: Where to Find Gold in California.
