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Grummett-Knox Mine

Producer in Stanislaus county in California, United States with commodity Manganese
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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. Ore body information
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10033648
MRDS ID M020266
Record type Site
Current site name Grummett-Knox Mine
Related records 10117875

Geographic coordinates

Geographic coordinates: -121.35519, 37.52659 (WGS84)
Relative position ALONG GRUMMETT CREEK, ABOUT 1 MI. E. OF THE TIP TOP MINE.

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Solyo(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Panoche-San Luis Reservoir(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Stanislaus

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 005S 006E 06 California

Commodities

Commodity Importance
Manganese Critical Primary

Analytical data

Result AVERAGE GRADE 25 PERCENT MANGANESE

Nearby scientific data

(1) -121.35519, 37.52659
ListMap

Economic information

Ore body information

  • Strike E
    Dip 70 N
    Thickness 0.91M
    Length 12.19M

Comments on the geologic information

  • GEOL.DESC: THREE ORE BEDS 1 TO 3 FT. THICK, OF DISSEMINATED OXIDE IN CHERT ARE EXPOSED ALONG STRIKE FOR ABOUT 40 FT. THE ORE BEDS ARE WITHIN A STRATIGRAPHIC INTERVAL OF 20 FT., STRIKE E AND DIP ABOUT 70 N.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 291

  • Deposit

    D.O.M. BULL. 125 1943 P. 190

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1978 Killman, K.; Albers, J. U.S. Geological Survey

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.