Banner Group

Past Producer in Mariposa county in California, United States with commodities Gold, Copper, Iron
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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Ownership information
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10031147
MRDS ID M009744
Record type Site
Current site name Banner Group
Alternate or previous names Albert Austin Group, London

Geographic coordinates

Geographic coordinates: -120.0357, 37.55937 (WGS84)
Relative position 4 MI. NW OF MARIPOSA

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Bear Valley(quadrangle 1:24,000 scale)

Oakdale(quadrangle 1:100,000 scale)

San Jose(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 018E 30,31 California

Comments on the location information

  • SE 1/4 30 , NE 1/4 31. UTM EST; LAT-LONG VALUES CALCULATED FROM TOWNSHIP, RANGE, SECTION (30)

Commodities

Commodity Importance
Gold Primary
Copper Tertiary
Iron Tertiary

Materials information

Materials Type of material
Copper Ore
Gold Ore
Iron Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metavolcanic Rock > Mafic Metamorphic Rock > Greenstone

Nearby scientific data

(1) -120.0357, 37.55937

Economic information

Ore body information

  • Strike N 20 W
    Dip 70 NE

Comments on the geologic information

  • GEOL.DESC: SEVERAL CUTTER VEINS

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Ownership information

  • Type Operator
    Owner Allen, George K.
    First year 1927

Comments on the workings information

  • MAIN SHAFT (VERTICAL), LINE OF STOPES EXTENDING N OF SHAFT FOR SEVERAL HUNDRED FEET; OPEN CUTS - MOSTLY CAVED.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 238 .

  • Deposit

    LAIZURE, C. MCK., 1928 , S. F. FIELD DIV. - MARIPOSA COUNTY: 24TH REPORT STATE MINERALOGIST, VOL. 24 , NO. 2 , P. 139 .

  • Deposit

    CASTELLO, W. O., 1921 , MARIPOSA COUNTY: 17TH REPORT STATE MINERALOGIST FOR 1920 , P. 120 - 1 .

General comments

Subject category Comment text
Deposit VEINS
Deposit SEVERAL CLAIMS LYING BETWEEN THE GEARY AND NUTMEG MINES, UNPATENTED IN 1927 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-DEC-1978 Hayden, F. (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.