The Von Glahn is a manganese mine located in Lake 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.
Von Glahn MRDS details
Site Name
Primary: Von Glahn
Commodity
Primary: Manganese
Location
State: California
County: Lake
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Owner Name: Henry Von Glahn
Production
Not available
Deposit
Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S
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
Not available
Materials
Gangue: Cinnabar
Comments
Comment (Location): LOCATED IN SW 1/4 SECTION 5 , 5 PROSPECTS WERE WORKED, NOS 1 TO 5
Comment (Commodity): SMALL QUANTITY OF SILICEOUS LOW-GRADE ORE, OF NO ECONOMIC VALUE.
Comment (Production): PRODUCTION 1 TO 149 TONS. CONTAINS LESS THAN 20% MN.
Comment (Workings): 15-FT. TRENCH AND 3 SMALL OPEN PITS
Comment (Geology): GEOL.DESC: FRANCISCAN CHERT WITH ABUNDANT SHEARING ALONG BEDDING PLANES AND FORMING CROSS FAULTS, AND OPENINGS ARE FILLED WITH SECONDARY QUARTZ AND MANGANESE OXIDES. SOME CHERT IS HEAVILY STAINED WITH MANGANESE, AND SOME THIN BEDDED RED CHERT IS INTERBEDDED WITH RED MANGANIFEROUS SHALES.
Comment (Deposit): SEVERAL PROSPECTS ARE PRESENT, BUT ALL ARE LOW IN GRADE AND SMALL IN SIZE.
References
Reference (Deposit): CALIF. B. 125, 1943, P. 128
Reference (Deposit): CALIF. BULL. 152, PP.98-99
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.
