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Hammond Prospect

Occurrence 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. Materials information
  8. Nearby scientific data
  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 10033650
MRDS ID M020269
Record type Site
Current site name Hammond Prospect
Related records 10215899

Geographic coordinates

Geographic coordinates: -121.33435, 37.43186 (WGS84)
Relative position 350 YARDS ABOVE MAGNESIA CAMP, WHICH IS 15 MI. FROM PATTERSON. A SMALL CREEK FLOWS N. W. THROUGH THE PROPERTY TO JOIN PUERTO CREEK ABOUT 100 YARDS AWAY.

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Copper Mountain(quadrangle 1:24,000 scale)

San Jose(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 006S 006E 08 California

Commodities

Commodity Importance
Manganese Critical Tertiary

Materials information

Materials Type of material
Hematite Gangue

Analytical data

Result ORE GRADE PROBABLY LESS THAN 5 PERCENT MANGANESE.

Nearby scientific data

(1) -121.33435, 37.43186
ListMap

Economic information

Comments on the geologic information

  • GEOL.DESC: ORE BODY IS ASSOCIATED WITH CHERTS WHICH SHOW EFFECTS OF IGNEOUS METAMORPHISM. GREATER PART OF ROCKS IN THE AREA ARE IGNEOUS, SUCH AS GREENSTONE AND GRANITE PORPHYRY. THE GRANITE APPEARS TO HAVE INTRUDED THE BASALTIC ROCK. ORE CONSISTS OF DEEP RED, REDDISH BROWN, OR ALMOST BLACK MATERIAL WITH RESINOUS LUSTER. PATCHES OF HEMATITE AND MAROON COLORED DENSE CHERT OCCUR IN IT. SOME MANGANESE OXIDE OCCURS IN VEINS AND AS STAINS. SOME WHITE AND BUFF CRYSTALLINE CARBONATE IS PRESENT.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Reference information

Bibliographic references

  • Deposit

    D.O.M. BULL. 152 1950 P. 292

  • 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.