The Cape Horn Occurrence is a mine located in Placer 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.
Cape Horn Occurrence MRDS details
Site Name
Primary: Cape Horn Occurrence
Commodity
Tertiary: Manganese
Location
State: California
County: Placer
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: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Not available
Comments
Comment (Geology): GEOL.DESC: EXPOSURE OF A SERIES OF SLATY AND SCHISTOSE STRATA, FREQUENTLY MICACEOUS AND CONTAINING NUMEROUS VEINS AND LENTICULAR LAYERS OF QUARTZ. ROCKS STRIKE NW AND DIP ALMOST VERTICALLY. MANGANESE IS SEEN IN MANY PLACES NEAR BASE OF THE HILL AND OCCURS IN THE FORM OF BLACK OXIDE IN THIN SEAMS FROM 1/16 TO 1/8 INCHES IN THICKNESS. IT COMMONLY FORMS A NETWORK OF THIN VEINS BUT QUANTITY OF ORE DISCOVERED IS SMALL.
References
Reference (Deposit): DOM BULL 152, P 168; BULL. 125, P. 149
Reference (Deposit): USGS FOLIO 66
Reference (Deposit): USBM RI 5579, P. 11
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.
