Emma Group

Past Producer in Los Angeles county in California, United States with commodities Copper, Silver, Gold
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. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10034276
MRDS ID M021023
Record type Site
Current site name Emma Group
Alternate or previous names Conover, Parker Mtn.
Related records 10115476

Geographic coordinates

Geographic coordinates: -118.22534, 34.42723 (WGS84)
Relative position SOUTH SIDE OF PARKER MTN, 1 1/2 MILE SW OF ACTION

Site location context

Political divisions (FIPS codes)

Los Angeles(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Acton(quadrangle 1:24,000 scale)

Los Angeles(quadrangle 1:100,000 scale)

Los Angeles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santa Clara(hydrologic unit)

Ventura-San Gabriel Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Los Angeles

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 004N 013W 15 California

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Secondary

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -118.22534, 34.42723

Economic information

Ore body information

  • General form IRREGULAR
    Thickness 1.83M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Production years 1926 , 1944

Comments on the production information

  • LEACHING OPERATION CARRIED ON IN 1926 ON 1 - 2 % CU ORE. NO PRODUCTION REPORTED.

Workings at the site

  • Type of workings Underground
    Overall depth 22.86M

Comments on the workings information

  • ADITS 500 AND 100 FT. LONG: SHAFTS, TWO 75 FT., TWO 40 FT. AND ONE 35 FT. DEEP

Reference information

Bibliographic references

  • Deposit

    GAY, T. E. JR. AND HOFFMAN, S. R., 1954 ; MINES AND MINERAL RESOURCES OF LOS ANGELES COUNTY; CALIF. JOUR. MINE AND GEOLOGY, VOL. 50 , NOS. 3 & 4 ; DIV. OF MINES, P. 612 .

  • Deposit

    SAMPSON, R. J., 1937 ; MINERAL RESOURCES OF LOS ANGELES COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 33 , NO. 3 ; DIV. OF MINES, P. 176.

  • Production

    GAY, T. E AND HOFFMAN, S. R., 1954

General comments

Subject category Comment text
Deposit VEIN 4 - 6 FT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1979 Fraticelli, L. A. (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.