The Nelson Bailey Mine, Newhall is a manganese mine located in Alameda 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.
Nelson Bailey Mine, Newhall MRDS details
Site Name
Primary: Nelson Bailey Mine, Newhall
Commodity
Primary: Manganese
Location
State: California
County: Alameda
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
Owner Name: Holm Brothers
Years: 1950 -
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
Name: Chert
Role: Host
Age Type: Host Rock Unit
Age Young: Late Cretaceous
Analytical Data
Not available
Materials
Not available
Comments
Comment (Location): LOCATED IN NW 1/4 OF SECTION 10
Comment (Production): MINE HAS PRODUCED 100 TONS OF ORE IN 1918. MORE THAN 85 TONS OF ORE WAS PILED ON THE DUMPS IN 1942. ADDITIONAL ORE, BUT NOT IN GREAT QUANTITY , IS AVAILABLE IN SOME OF THE WORKINGS; OTHERS SHOW LITTLE PROMISE
Comment (Workings): OPEN CUTS, SHALLOW SHAFTS, SHORT ADITS
Comment (Deposit): ADD. REF. NO.4. BULL. 152, P. 24-25; NO.5. BULL. 140, P.66, PL. 1; NO.6. 25TH REPORT OF STATE MINERALOGIST, P.436
Comment (Geology): ORE HOSTED IN FRANCISCAN COMPLEX - L. TO L. ; GEOL.DESC: SEVERAL BEDS OF LOW-GRADE MANGANESE OXIDES IN SHALY CHERT - GRADE AVE. 20 TO 25 % MANGANESE. THE ORE CONSISTS OF THIN VEINLETS OF MANGANESE OXIDE. STRIKE OF MAIN ORE BED IS N 30 E AND DIPPING 80 E.
References
Reference (Deposit): DOM BULL. 76, P.27
Reference (Deposit): BULL. 125, P.100
Reference (Deposit): CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL. 1950, P.340, PL. 58
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.
