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Mammoth

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

Geologic information

Identification information

Deposit ID 10035102
MRDS ID M022254
Record type Site
Current site name Mammoth
Alternate or previous names Woodland
Related records 10236559

Geographic coordinates

Geographic coordinates: -119.77709, 37.34854 (WGS84)
Elevation 792
Relative position NW SLOPE OF TWIN SISTERS PK., IN KINGS GULCH, 1 MI N. GRUB GULCH

Site location context

Political divisions (FIPS codes)

Madera(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Horsecamp Mountain(quadrangle 1:24,000 scale)

Shaver Lake(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Fresno River(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Geographic areas

Country State County
United States California Madera

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 007S 020E 03 California

Comments on the location information

  • UTM EST SW 1/4 . TAKEN FROM TOPO. MAP

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate

Nearby scientific data

(1) -119.77709, 37.34854
ListMap

Economic information

Ore body information

  • Strike N 70 W
    Dip 45 NE
    Thickness 7.62M

Comments on the geologic information

  • TRANSVERSE FRACTURES ACROSS VEIN.

Economic information about the deposit and operations

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

Workings at the site

  • Type of workings Underground
    Overall depth 60.96M

Comments on development

  • ECON.COM: ORE SAID TO AVG. $5/TON IN GOLD

Reference information

Bibliographic references

  • Deposit

    CRAWFORD, J. J., 1894 , REPORT OF THE STATE MINERALOGIST: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, VOL. 12 , P. 160 .

  • Deposit

    MCLAUGHLIN, R. P. & BRADLEY, W. W., 1914 , MADERA COUNTY: REPORT OF THE STATE MINERALOGIST, V. 14 , P. 553 .

General comments

Subject category Comment text
Deposit VEINS, MAIN ONE 20 - 25 FT. THICK. NUMBER OF SMALLER VEINS ON FOOTWALL SIDE, 4 - 5 FT. THICK. HANGING WALL MICA - SLATE, FOOTWALL IS A MUCH DECOMPOSED GRANITIC ROCK OF FINE TEXTURE, PROBABLY GRANULITE NORTHERN PART OF LODE HAS BEEN TRACED FOR 15,000 FT. ACCOMPANIED BY A GRANITIC DIKE, TEXTURE RANGES FROM FELSITE TO MICRO-PEGMATITE AND GRANULITE, SOUTH OF FRESNO RIVER IT APPROACHES PEGMATITE IN COARSNESS OF ITS CRYSTALLIZATION.
Deposit UNPATENTED ; INFO.SRC : 1 PUB LIT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1980 Nelson, Scott C. (Albers, John, P.) 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.