The Horseshoe Claim is a mine located in Tuolumne county, California at an elevation of 1,070 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: 1,070 Feet (326 Meters)
Commodity:
Lat, Long: 37.9044, -120.50420
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.
Horseshoe Claim MRDS details
Site Name
Primary: Horseshoe Claim
Secondary: Horseshoe
Secondary: Grassely Claims
Secondary: Pedro Lease
Commodity
Tertiary: Chromium
Tertiary: Iron
Location
State: California
County: Tuolumne
District: Peoria Flat
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: Patented
Workings
Not available
Ownership
Owner Name: Grassley, Eugene
Home Office: California
Info Year: 1976
Production
Not available
Deposit
Record Type: Site
Operation Category: Past Producer
Operation Type: Underground
Mining Method: Unknown
Year First Production: 1918
Years of Production:
Organization:
Significant: N
Physiography
General Physiographic Area: Pacific Mountain System
Physiographic Province: Cascade-Sierra Mountains
Physiographic Section: Sierra Nevada
Mineral Deposit Model
Not available
Orebody
Not available
Structure
Not available
Alterations
Not available
Rocks
Not available
Analytical Data
Not available
Materials
Unknown: Olivine
Unknown: Opal
Unknown: Serpentine
Unknown: Chromite
Unknown: Pyroxene
Comments
Comment (Deposit): ORE EXPOSED AT SHAFT COLLAR, 1 METER WIDE, 15 METERS LONG. MINE WORKINGS LOCATED IN OLD PLACER DIGGINGS. RESERVES ESTIMATED TO BE 200 LONGTONS OF MILLING GRADE ORE AVERAGING 22 TO 25 PERCENT CR2O3. NO ANALYSIS OF ORE AVAILABLE. INADEQUATE RESOURCES FOR COST ANALYSIS. ANALYSIS BY CDMG IN 1976 GAVE FOLLOWING PERCENTAGES- DISSEMINATED ORE=S102 11.70, CR2O3 38.37, FEO 12.08, TOTAL FE 16.08, AL203 08.29, MG0 1 5.59, CR/FE 2.10, MGO 15.59, CR/FE 2.10.
References
Reference (Deposit): CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134,
Reference (Deposit): PART 3, CHAPTER 1, 1948, P. 26-27.
Reference (Deposit): CALIFORNIA DIVISON OF MINES AND GEOLOGY SPECIAL REPORT 41,
Reference (Deposit): P. 55, PLATES 2-4.
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.
