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Winter Group

Occurrence in Los Angeles county in California, United States with commodities Copper, Silver, Gold, Molybdenum
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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. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10076824
MRDS ID W024078
Record type Site
Current site name Winter Group
Alternate or previous names Winter Creek

Geographic coordinates

Geographic coordinates: -118.02117, 34.20363 (WGS84)
Elevation 610
Relative position SANTA ANITA CRK, 5 MILES NORTH OF SIERRA MADRE

Site location context

Political divisions (FIPS codes)

Los Angeles(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount Wilson(quadrangle 1:24,000 scale)

Los Angeles(quadrangle 1:100,000 scale)

Los Angeles(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Los Angeles(hydrologic unit)

Ventura-San Gabriel Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Angeles National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Los Angeles

Public Land Survey System information

Meridian Township Range Section Fraction State
San Bernardino 001N 011W 03 California

Commodities

Commodity Importance
Copper Primary
Silver Primary
Gold Primary
Molybdenum Primary

Materials information

Materials Type of material
Bornite Ore
Chalcopyrite Ore
Malachite Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result SURFACE SAMPLES
Result 10 - 15 % CU, $2 - 8 AU, 1 - 80 OZ AG .5 - 1 % MO.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite

Economic information

Ore body information

  • Strike NE
    Dip 70 NW
    Thickness 0.91M

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Land status

Ownership category National Forest

Workings at the site

  • Type of workings Underground
    Length 143.26M

Comments on the workings information

  • ONE VEIN EXPLORED BY 170 FT CROSSCUT WITH 100 FT. DRIFT AND 40 FT. ADIT. SECOND VEIN EXPLORED BY 80 FT. ADIT AND, 30 FT. ABOVE IT, AND A 50 FT. ADIT.

Reference information

Bibliographic references

  • Deposit

    GAY, T.E. JR. AND HOFFMAN, S.R., 1954 : MINES AND MINERAL RESOURCES OF LOS ANGELES COUNTY; CALIF. JOUR. MINES AND GEOLOGY, VOL. 50 , NOS. 3 & 4 ; DIV. OF MINES, P. 614

  • 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 - 177 .

General comments

Subject category Comment text
Deposit TWO PARALLEL VEINS 1 - 3 FT. THICK

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.

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.