The Bluepoint Claim, Marsh Flats Chrome Assoc. Properties is a chromium mine located in Tuolumne county, California.
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
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.
Bluepoint Claim, Marsh Flats Chrome Assoc. Properties MRDS details
Site Name
Primary: Bluepoint Claim, Marsh Flats Chrome Assoc. Properties
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: J. L. Whitney Estate
Years: 1948 -
Production
Not available
Deposit
Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
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: POD
Structure
Not available
Alterations
Not available
Rocks
Name: Dunite
Role: Host
Age Type: Host Rock
Age Young: Late Jurassic
Analytical Data
Not available
Materials
Ore: Chromite
Gangue: Uvarovite
Gangue: Talc
Comments
Comment (Workings): WORKINGS CONSIST OF THREE SMALL OPEN CUTS SPACED 50-60 FT APART ALONG A LINE TRENDING N 70 W.
Comment (Geology): THE DEPOSIT OCCURS IN THE SOUTHERN PART OF THE WESTERN MOST OF TWO SERPENTINE BELTS THAT TREND NW-SE ACROSS THE COUNTY: THE BELT IS EXPOSED OVER AN AREA 30 KM BY 6 KM.
Comment (Location): APPROX. 2,000 FT SOUTH BY EAST OF THE MUM CLAIM (M100197) ON SAME RIDGE, AT A POINT 100-150 FT BELOW THE CREST OF A SOUTH FACING SLOPE.
Comment (Development): A SMALL AMT. OF UNMINED ORE REMAINS IN THE PITS AND 10-12 TONS OF ORE MINED IN 1918 IS STACKED ON THE DUMP.
References
Reference (Deposit): CATER, F. W. JR., 1948, CDMG BULL 134, PART 3, CHAPT. 1, P. 17
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.
