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  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

May Faction Claim

Prospect in Tuolumne county in California, United States with commodity Chromium
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Land status
  11. Links to other databases
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10214359
MRDS ID W025931
MAS/MILS ID 0061090036
Record type Site
Current site name May Faction Claim
Alternate or previous names Grassley Claims, May Faction Claim of Grassely Group, Lopes Lease
Related records 10077868

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.4943, 37.91382 (WGS84)
Elevation 351
Location accuracy 500(meters)

Site location context

Political divisions (FIPS codes)

Tuolumne(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sonora(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Stanislaus(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Tuolumne

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 001 N 013 E 25 SENE California

Commodities

Commodity Importance
Chromium Critical Primary

Nearby scientific data

Ore Body (1) -120.4943, 37.91382
ListMap

Economic information

Economic information about the deposit and operations

Operation type Surface-Underground
Development status Prospect
Commodity type Metallic
Significant No

Mining district

District name Peoria Flat

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    CALIFORNIA DIVISION OF MINES AND GEOLOGY BULLETIN 134,

  • Deposit

    PART 3, CHAPTER 1, P. 26-20, PLATE 1.

  • Deposit

    CALIFORNIA DIVISION OF MINES AND GEOLOGY SPECIAL REPORT 41,

  • Deposit

    P. 55, PLATE 2 AND 4.

Reporter information

Type Date Name Affiliation Comment
Reporter 23-SEP-1994 Western Field Operations Center (WFOC) U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.