Bartlett

Producer in Alameda 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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10027980
MRDS ID M004683
Record type Site
Current site name Bartlett
Related records 10186945

Geographic coordinates

Geographic coordinates: -121.57714, 37.61435 (WGS84)
Relative position IN MITCHEL CANYON

Site location context

Political divisions (FIPS codes)

Alameda(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Cedar Mountain(quadrangle 1:24,000 scale)

Stockton(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Joaquin Delta(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Alameda

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 004E 06 California

Commodities

Commodity Importance
Manganese Critical Primary

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Chemical Sediment > Chert
    Rock unit name Franciscan Complex
    Rock description Franciscan Complex

Nearby scientific data

(1) -121.57714, 37.61435

Economic information

Ore body information

  • Width 1.07M

Comments on the geologic information

  • ORE HOSTED IN FRANCISCAN COMPLEX - L. TO L. ; GEOL.DESC: ORE BODY 20 IN WIDE AND AT A 35 FT. DEPTH IS 3.5 FT. WIDE. IN QUARTZOSE GANGUE. BED STRIKES EAST AND DIPS STEEPLY SOUTH; FOOTWALL IS CHERT AND HANGING WALL IS SANDSTONE. ORE MOST ABUNDANT IN POCKETS WITHIN SANDSTONE. MANGANESE CONTENT RANGE FROM 41 PERCENT NEAR SURFACE TO 53 PERCENT AT DEPTH. ORE IS BLACK OXIDES, AT FIRST HARD AND FLINTY, BUT AT DEPTH SOFT, BLUEISH ORE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Medium
Significant No

Mining district

District name Corral Hollow

Ownership information

  • Type Owner
    Owner P And J. P.Connolly
    First year 1950

Comments on the production information

  • PRODUCTION PRIOR TO 1892 SAID TO BE 300 TONS. MORE THAN 1400 TONS SHIPPED FROM 1891-1900 - SMALL SHIPMENT MADE IN 1916

Comments on the workings information

  • SHAFT

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES & GEOL. V. 46, NO.2, APRIL 1950, P.343, PL. 58

  • Deposit

    DOM BULL. 152, P.15

  • Deposit

    BULL. 125, P.97

General comments

Subject category Comment text
Deposit ADD. REF. NO.4. BULL. 140, PL 1 (GEOLOGY); NO.5. USBM RI 5579, P.21

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1972 Gere, W. U.S. Geological Survey
Updater 01-APR-1977 Von Dohlen, E.; 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.