The Alice June Claim, Marsh Flats Chrome Assoc. Properties is a chromium mine located in Tuolumne county, California at an elevation of 1,499 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: 1,499 Feet (457 Meters)
Commodity: Chromium
Lat, Long: 37.81, -120.35889
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.
Alice June Claim, Marsh Flats Chrome Assoc. Properties MRDS details
Site Name
Primary: Alice June Claim, Marsh Flats Chrome Assoc. Properties
Secondary: Claim: Alice June Extension
Secondary: Mum
Secondary: Mum Extension.
Commodity
Primary: Chromium
Location
State: California
County: Tuolumne
District: Marsh'S Flat Area
Land Status
Land ownership: Federal
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: Hemmings, A. E.
Years: 1958 -
Owner Name: Morrisey, William C.
Years: 1948 -
Owner Name: U.S. Government
Years: 1948 -
Production
Year: 1955
Time Period: 1954-1955
Material type: ORE
Description: Cp_Grade: ^Avg. 34.87% Cr2o3
Year: 1918
Time Period: 1917-1918
Material type: ORE
Description: Cp_Grade: ^35% Cr2o3
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Discovery Year: 1917
Years of Production:
Organization:
Significant: N
Deposit Size: S
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Form: IRREG
Structure
Not available
Alterations
Alteration Type: L
Alteration Text: Complete Serpentinization Of Host Rock.
Rocks
Name: Dunite
Role: Host
Age Type: Associated Rock Unit
Age Young: Late Jurassic
Name: Dunite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Analytical Data: CR TO FE RATIO 2.3 TO 1.
Analytical Data: AVG. CONCENTRATE GRADE 44.65% CR203
Materials
Ore: Chromite
Gangue: Uvarovite
Comments
Comment (Deposit): MINOR FAULTING DISRUPTS MOST OF THE LARGER ORE BODIES.
Comment (Workings): WORKINGS CONSISTED OF 3 PITS, EXTENSIVE BULLDOZER SCRAPING AND NUMEROUS SHALLOW TRENCHES (1943).
Comment (Geology): THE CLAIMS ARE LOCATED IN THE EASTERNMOST AND LARGEST OF TWO SERPENTINE BELTS THAT TREND NW ACROSS THE COUNTY. THE BELT IS EXPOSED OVER AN AREA 30K BY 6K AND CONTAINS MOST OF THE COUNTY'S CR DEPOSITS.
Comment (Production): MOST IF NOT ALL 1950'S PRODUCTION FROM PREVIOUSLY MINED ORE.
Comment (Reserve-Resource): CATER, 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 17.; 2) STINSON, 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.
Comment (Location): WORKINGS LOCATED ON NE SLOPE OF A LOW GENTLE RIDGE, NEAR THE BOTTOM OF A SMALL GULCH.
Comment (Commodity): ABOVE ANALYSIS OF 1950'S PRODUCTION
References
Reference (Deposit): CATER, F.W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 16, 17.
Reference (Deposit): STINSON, M.C., 1975, CDMG MINERAL PROPERTY REPORT, UNPUBLISHED.
Reference (Production): STINSON, 197J, CDMG MINERAL PROPERTY REPORT UNPUBLISHED
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.
