The Moran Brothers Mine is a manganese 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.
Moran Brothers Mine MRDS details
Site Name
Primary: Moran Brothers Mine
Commodity
Primary: 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: 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: Greenstone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Name: Greenstone
Role: Host
Age Type: Host Rock
Age Young: Late Cretaceous
Analytical Data
Analytical Data: AVERAGE GRADE 40 PERCENT MANGANESE
Materials
Not available
Comments
Comment (Geology): ORE HOSTED IN FRANCISCAN COMPLEX--L. TO L. ; GEOL.DESC: ORE OCCURS IN WHITE CHERT IN 2 ZONES SEPARATED BY A GREENSTONE BODY 25 FT. THICK AND 500 FT. LONG. ORE ABOVE GREENSTONE IS MASSIVE ORE 1.5 FT. THICK, AND BELOW THE GREENSTONE IT IS DISSEMINATED ORE IN CHERT ABOUT 6 FT. THICK. STRIKE IS N. W. AND DIP IS 60 N. E. MANGANESE OCCURS AS LENSES OF MANGANIFEROUS CARBONATE. PRIMARY ORE IS A MIXTURE OF MANGANIFEROUS CHERT AND MANGANESE CARBONATE. SOME PINK RHODOCHROSITE VEINS ARE PRESENT. THE GREENSTONE BODY MAY BE A SUBMARINE FLOW.
Comment (Location): LOCATED IN CENTER OF SW 1/4 SE 1/4 SECTION 36
References
Reference (Deposit): D.O.M. BULL. 152 1950 PP. 295 - 296
Reference (Deposit): D.O.M. BULL. 125 1943 P. 191
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.
