The Lucky Girl Mine is a chromium mine located in Stanislaus county, California at an elevation of 2,159 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: 2,159 Feet (658 Meters)
Commodity: Chromium
Lat, Long: 37.40222, -121.41944
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.
Lucky Girl Mine MRDS details
Site Name
Primary: Lucky Girl Mine
Commodity
Primary: Chromium
Tertiary: Platinum
Tertiary: Palladium
Tertiary: Iridium
Tertiary: Ruthenium
Tertiary: Rhodium
Location
State: California
County: Stanislaus
District: Del Puerto Area
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
Not available
Workings
Not available
Ownership
Owner Name: West Coast Chrome Co.
Years: 1941 -
Production
Year: 1918
Time Period: 1918-?
Material type: ORE
Description: Cp_Grade: ^42% Cr2o3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1918
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
Model Name: Podiform chromite (minor)
Orebody
Form: LENSES, PODS OF GRANULAR AND MASSIVE CHROMITE TO 2 FT THICK
Structure
Type: L
Description: Shear Zone Trending N80e
Alterations
Alteration Type: L
Alteration Text: Ultramafic Rocks Serpentinized
Rocks
Name: Gabbro
Role: Associated
Age Type: Host Rock Unit
Age Young: Late Jurassic
Name: Gabbro
Role: Associated
Age Type: Associated Rock
Age Young: Late Jurassic
Name: Gabbro
Role: Associated
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Name: Gabbro
Role: Associated
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Analytical Data: RH=19 PPB.
Analytical Data: RU=510 PPB
Analytical Data: IR=730 PPB
Analytical Data: PD=13 PPB
Analytical Data: 1 PGE ANALYSIS: PT=61 PPB
Materials
Ore: Chromite
Gangue: Serpentine
Gangue: Olivine
Comments
Comment (Location): ON NORTH SIDE OF PEACHTREE CREEK. LOCATION GIVEN IS FOR PROSPECT SYMBOL SHOWN ON TOPO MAP
Comment (Workings): OPEN CUTS AND SHORT ADITS
Comment (Geology): A SEPTUM OF DUNITE LIES BETWEEN PERIDOTITE AND FRANCISCAN FORMATION
Comment (Deposit): CHROMITE IS GRANULAR AND MASSIVE AND LENSES ARE UP TO 2 FT THICK. THE DUNITE LIES BETWEEN PERIDOTITE AND FRANCISCAN FORMATION.
References
Reference (Deposit): WALKER, G.W., AND GRIGGS, A.B., 1953, GEOLOGICAL INVESTIGATIONS OF CHROMITE IN CALIFORNIA: CALIFORNIA DIVISION OF MINES BULLETIN 134, PT. 2, CH. 2, P. 74, 76, 88.
Reference (Deposit): CARLSON, C.A., AND OTHERS, 1985, ANALYSES FOR PLATINUM-GROUP ELEMENTS IN SAMPLES FROM PODIFORM CHROMITE DEPOSITS, CALIFORNIA AND OREGON: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 85-442, 14 P.
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.
