The Hammond Prospect is a mine located in Stanislaus 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.
Hammond Prospect MRDS details
Site Name
Primary: Hammond Prospect
Commodity
Tertiary: Manganese
Location
State: California
County: Stanislaus
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: ORE GRADE PROBABLY LESS THAN 5 PERCENT MANGANESE.
Materials
Gangue: Hematite
Comments
Comment (Geology): GEOL.DESC: ORE BODY IS ASSOCIATED WITH CHERTS WHICH SHOW EFFECTS OF IGNEOUS METAMORPHISM. GREATER PART OF ROCKS IN THE AREA ARE IGNEOUS, SUCH AS GREENSTONE AND GRANITE PORPHYRY. THE GRANITE APPEARS TO HAVE INTRUDED THE BASALTIC ROCK. ORE CONSISTS OF DEEP RED, REDDISH BROWN, OR ALMOST BLACK MATERIAL WITH RESINOUS LUSTER. PATCHES OF HEMATITE AND MAROON COLORED DENSE CHERT OCCUR IN IT. SOME MANGANESE OXIDE OCCURS IN VEINS AND AS STAINS. SOME WHITE AND BUFF CRYSTALLINE CARBONATE IS PRESENT.
References
Reference (Deposit): D.O.M. BULL. 152 1950 P. 292
Reference (Deposit): D.O.M. BULL. 125 1943 P. 190
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.
