Mary Lou No. 1

Occurrence in Stanislaus county in California, United States with commodity Manganese
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 10033653
MRDS ID M020274
Record type Site
Current site name Mary Lou No. 1
Related records 10214652, 10287106

Geographic coordinates

Geographic coordinates: -121.4288, 37.40436 (WGS84)
Relative position W. SIDE OF PEACHTREE CREEK

Site location context

Political divisions (FIPS codes)

Stanislaus(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Boardman(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 005E 21 California

Comments on the location information

  • LOCATED IN E 1/2 SECTION 21

Commodities

Commodity Importance
Manganese Critical Tertiary

Analytical data

Result AVERAGE GRADE 25 PERCENT MANGANESE

Nearby scientific data

(1) -121.4288, 37.40436

Economic information

Ore body information

  • Dip 15 TO 30 W
    Width 0.61M

Comments on the geologic information

  • GEOL.DESC: ORE BODY IS EXPOSED ALONG STRIKE FOR 145 FT. AVERAGE WIDTH IS 1.5 FT., MAXIMUM IS 2 FT. THE BED IS GENTLY FOLDED SO THAT THE OUTCROP IS S-SHAPED. DIP IS 15 TO 30 W. ORE IS MAINLY SILICEOUS BLACK OXIDE, AND SOME IS MASSIVE. ORE IS POOREST AT THE S. END WHERE ORE PINCHES OUT. ORE IS PROBABLY FAULTED AT THE N. END, BUT NO CONTINUATION WAS FOUND.

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. 295

  • Deposit

    D.O.M. BULL. 125 1943 P. 191

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.

Authoritative California resources

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