The Daulton Group is a copper mine located in Madera county, California at an elevation of 600 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: 600 Feet (183 Meters)
Commodity: Copper
Lat, Long: 37.10667, -119.95944
Map: View on Google Maps
Daulton Group MRDS details
Site Name
Primary: Daulton Group
Secondary: Jessie Belle
Secondary: Jesbel
Commodity
Primary: Copper
Secondary: Silver
Secondary: Gold
Tertiary: Cobalt
Location
State: California
County: Madera
District: Daulton
Land Status
Not available
Holdings
Not available
Workings
Not available
Ownership
Not available
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Deposit Type: Replacement
Operation Type: Unknown
Year First Production: 1942
Year Last Production: 1945
Discovery Year: 1865
Years of Production:
Organization:
Significant: N
Deposit Size: M
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Pacific Border Province
Physiographic Section: California Trough
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Name: Schist
Role: Host
Age Type: Host Rock Unit
Age Young: Late Jurassic
Name: Schist
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Analytical Data: REPORTED TO CARRY 3.75 % CU AND 7 % ZN, ACCORDING TO OWNER. IT AVERAGES 6 % CU, AND 10 % ZN.
Analytical Data: BRADFORD SHAFT
Materials
Ore: Chalcopyrite
Ore: Sphalerite
Ore: Pyrrhotite
Comments
Comment (Deposit): SEVERAL SHOOTS OF ORE HAVING AN APPROXIMATE PARALLELISM. ORE NORMALLY IS AN IRON - COPPER SULFIDE.
Comment (Workings): 1,000 FT OF SURFACE WORKINGS; SHALLOW PITS AND NUMEROUS SHAFTS, ALONG WITH WINZES, STOPES AND RAISES.
Comment (Reserve-Resource): OWNER REPORTS; ORE, 10 FT. WIDE AT BOTTOM OF BRADFORD NORTH SHAFT, ORE SHOOT IS POSSIBLY 150 FT. LONG EXTENDING SOUTHWARD.
Comment (Production): MINE WORKED IRREGULARLY SINCE 1900 . RECENT YEARS PRODUCTION HAS BEEN IN "CEMENT" COPPER. NO ZINC PRODUCTION REPORTED AND ONLY 222 LBS. PB. KNOWN TO HAVE BEEN RECOVERED. ORE SHIPPED BETWEEN 1915 - 1948 , AVERAGED 16.68 % CU, 17.1 OZ. AG, MINOR PB AND AU, AND UNKNOWN PERCENTAGE OF ZN. SINCE 1915 PRODUCTION IS LESS THAN 300,000 LBS. OF COPPER, PRIOR PRODUCTION NOT KNOWN.
Comment (Deposit): Discovery Year: 1860S
Comment (Geology): MARIPOSA CLAY SLATE HOST ORE. ; GEOL.DESC: MINE LOCATED ON A NEARLY NORTH - STRIKING RIDGE, RIDGE IS FORMED OF MICA SCHIST DERIVED FROM MARIPOSA CLAY SLATE. MICA SCHIST NOTABLE FOR LARGE AMOUNT OF ANDALUSITE IN FORM OF COARSE CHIASTOLITE CRYSTALS. SCHIST OUTCROP STRIKES NEARLY NORTH FOR 1,000 FT. FROM N. SHAFT, THEN STRIKES N 10 W. DIP OF SCHISTOSITY IS 70 E.
Comment (Deposit): 60 ACRES.
References
Reference (Deposit): GOODWIN, J. G., 1957 , LEAD AND ZINC IN CALIF.; CA. JOUR. MINES AND GEOLOGY, VOL. 53 , NOS. 3 & 4 , P. 541 - 542 .
Reference (Deposit): LOGAN, C. A., 1950 , MINES AND MINERALS OF MADERA COUNTY, CA.; CA. JOUR. MINES AND GEOLOGY, VOL. 46 , NO. 4 , P. 451 - 452 .
Reference (Production): GOODWIN, J. G., 1957
Reference (Reserve-Resource): UNPUBLISHED CO REPORT
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.
