The Baxter Winthrope is a copper mine located in Shasta county, California at an elevation of 938 feet.
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
Elevation: 938 Feet (286 Meters)
Commodity: Copper
Lat, Long: 40.78361, -122.21861
Map: View on Google Maps
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.
Baxter Winthrope MRDS details
Site Name
Primary: Baxter Winthrope
Secondary: Baxter
Secondary: Winthrope
Secondary: Copper City
Commodity
Primary: Copper
Secondary: Gold
Secondary: Silver
Location
State: California
County: Shasta
District: East Shasta Copper-Zinc
Land Status
Land ownership: National Forest
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
Type: Surface/Underground
Ownership
Not available
Production
Year: 1863
Material type: ORE
Description: Ap_Grade: ^8% Cu, $40/Ton Au $20/Ton Ag.
Deposit
Record Type: Site
Operation Category: Past 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: Klamath Mountains
Mineral Deposit Model
Not available
Orebody
Form: LENTICULAR
Structure
Type: L
Description: Shear Zone - N 20 Degrees E
Alterations
Not available
Rocks
Name: Rhyolite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Name: Rhyolite
Role: Host
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Rhyolite
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Gangue: Limonite
Comments
Comment (Geology): GEOL.DESC: SHEAR ZONES CUT EAST LIMB OF ANTICLINE IN BUDDY HILL RHYOLITE. MUCH OF COUNTRY ROCK IS STRONGLY SILICIFIED.
Comment (Production): 119 TONS OF SULFIDE ORE IN 1926-1927
Comment (Deposit): SULFIDE DEPOSITS ARE IN BULLY HILL RHYOLITE ON THE EAST FLANK OF A SOUTHWARD PLUNGING ANTICLINE.
Comment (Workings): CLAIMS ARE THE EXCELSIOR, BROWN, HUMBOLDT AND BAXTER. PRINCIPLE WORK CONSISTED OF DRIFTING AT 3 LEVELS, 815 , 936 AND 1,060 FT IN ALTITUDE ALONG COPPER CITY SHEAR ZONE. WINTHROP ADIT WAS STOPED TO SURFACE.
References
Reference (Deposit): ALBERS, J. P. & ROBERTSON, J. F., 1961 , GEOLOGY AND ORE DEPOSITS, EAST SHASTA COPPER-ZINC DISTRICT, GEOLOGICAL SURVEY PROFESSIONAL PAPER 338 , PG. 100
Reference (Deposit): AUBURY, L. E., 1902 , REGISTER OF MINES AND MINERALS NO. 10 - 12 , CALIF. MIN. BUR. PG. 8
Reference (Deposit): LOGAN, C. A., 1926 , 22ND REPORT OF THE STATE MINERALOGIST, CALIF. MIN. BUR. PG. 146
Reference (Deposit): LYDON, P. A. & O'BRIEN, J. C., 1974 , MINES AND MINERAL RESOURCES OF SHASTA COUNTY CALIF., COUNTY REPORT 6 , CALIF. DIV. MINES AND GEOLOGY, PG. 104
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.
