The Butler Estate Mine is a chromium mine located in Fresno county, California at an elevation of 3,799 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: 3,799 Feet (1,158 Meters)
Commodity: Chromium
Lat, Long: 36.3083, -120.53330
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.
Butler Estate Mine MRDS details
Site Name
Primary: Butler Estate Mine
Secondary: Mistake
Secondary: James-Thickston
Commodity
Primary: Chromium
Tertiary: Iron
Location
State: California
County: Fresno
District: New Idria
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
Type: Fee Ownership
Workings
Type: Surface
Ownership
Owner Name: Chambers And Russel (Southwest Oil Co)
Home Office: California
Info Year: 1975
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Surface
Mining Method: Unknown
Year First Production: 1952
Discovery Year: 1951
Years of Production:
Organization:
Significant: N
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
Unknown: Antigorite
Unknown: Calcite
Unknown: Chromite
Unknown: Magnesite
Unknown: Ruby
Unknown: Talc
Unknown: Uvarovite
Comments
Comment (Deposit): 1-75 ALTERATION TYPE - INTENSE SERPENTINIZATION. CROME/IRON RATIO 2.8:1 YIELDS 06 PERCENT NONRECOVER IRON ORE CAN BE UPGRADED TO 46PER CENTCR2O3 NO MINE CAPITAL REQUIRED- CONTRACT PRICE NO MILL CAPITAL REQUIRED- CUSTOM CHARGE ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES-DISSEMIN E,LOW GRADE=S102 4.33,CR2O3 52.98,FEO 11.21,TOTAL FE 14.47,A 56,MGO 13.27,CR/FE 3.22.DISSEMINATED ORE,HIGH GRADE=S102 5.0 51.15,FEO 10.24,TOTAL FE 12.84,AL203 7.56,MGO 14.09,CR/FE 3. MILL CONCENTRATE=S102 1.83,CR2O3 54.81,FEO 13.31,TOTAL FE 14 03 6.61,MGO 11.61,CR/FE 3.33
References
Reference (Deposit): CALIF DIV OF MINES AND GEOL SPEC REPT 71.
Reference (Deposit): CALIF DIV OF MINES AND GEOL BULL 134 CH2 PT2 PP54-55.
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.