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Devils Gulch

Past Producer in Mariposa county in California, United States with commodities Gold, Platinum, Cobalt, Nickel, Tin
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Land status
  15. Ownership information
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10038010
MRDS ID M045259
Record type Site
Current site name Devils Gulch
Alternate or previous names Clark, Platinum Occurrence
Related records 10139747

Geographic coordinates

Geographic coordinates: -119.82209, 37.60937 (WGS84)
Elevation 861
Location accuracy 10000(meters)
Relative position 5 MI SOUTH OF EL PORTAL, NEAR JUNCTION OF DEVIL GULCH AND SOUTH FORK MERCED RIVER

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Buckingham Mountain(quadrangle 1:24,000 scale)

Yosemite Valley(quadrangle 1:100,000 scale)

Mariposa(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Merced(hydrologic unit)

San Joaquin(hydrologic accounting unit)

San Joaquin(hydrologic subregion)

California(hydrologic region)

Federal lands

Sierra 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 Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 004S 019E 01,12 NEAR WEST EDGE California

Comments on the location information

  • UNSURVEYED, SECTION LINES PROJECTED. IN SIERRA NATIONAL FOREST. LOCATION GIVEN IS FOR PROSPECT SYMBOL SHOWN ON TOPO MAP NEAR MOUTH OF DEVIL GULCH

Commodities

Commodity Importance
Gold Primary
Platinum Critical Secondary
Cobalt Critical Tertiary
Nickel Critical Tertiary
Tin Critical Tertiary

Comments on the commodity information

  • UNVERIFIED REPORT OF PT. REPORTED ASSOCIATION CONSIDERED IMPROBABLE BY BOWEN (1957), WHO THOUGHT THE MINERALS HAD BEEN MISIDENTIFIED

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Analytical data

Result ASSAY $90/TON PT, $44/TON AU. REPORTED GRADE OF 2.13 OZ/TON (73 PPM) AU AND 0.81 OZ/TON (28 PPM) PT.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
    Stratigraphic age (youngest) Late Permian

Nearby scientific data

(1) -119.82209, 37.60937
ListMap

Economic information

Ore body information

  • General form VEIN
    Thickness 1.22M

Comments on the geologic information

  • QUARTZ LEDGE 3-4 FT WIDE; MINERALIZED VEIN ON BOTH SIDES OF QUARTZ LEDGE FOR A FEW IN. ; GEOL.DESC: QTZ. LEDGE 3-4 FT. THICK, MINERALIZED ON BOTH SIDES OF VEIN A FEW INCHES.

Economic information about the deposit and operations

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

Mining district

District name South Fork Merced River Area

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner R. O. Donald And Marcus Shimski
    First year 1919

Comments on the production information

  • A SMALL AMOUNT OF AU ORE PRODUCED IN 1919 RAN $44/TON.

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 12.19M

Comments on the workings information

  • 40 FT SHAFT IN 1920.

Comments on development

  • PT REPORTED DISCOVERED IN 1919

Reference information

Bibliographic references

  • Deposit

    BOWEN, O.E., JR., AND GRAY, C.H., JR., 1957, MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 53, NOS. 1, 2, P. 192.

  • Deposit

    LAIZURE, C.MCK., 1928, MARIPOSA COUNTY: CALIFORNIA DIVISION OF MINES, 24TH REPORT OF THE STATE MINERALOGIST, V. 24, NO. 2, P. 123.

  • Deposit

    CASTELLO, W.O., 1921, MINES AND MINERAL RESOURCES OF MARIPOSA COUNTY: CALIFORNIA STATE MINING BUREAU, 17TH REPORT OF THE STATE MINERALOGIST, P. 142-143.

  • Production

    LAIZURE, 1928.

General comments

Subject category Comment text
Deposit VEIN 3-4 FT THICK. PT REPORTED IN 2 ZONES A FEW INCHES WIDE ON BOTH SIDES OF BARREN QUARTZ VEIN

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1974 Blair, Will N. U.S. Geological Survey
Updater 01-DEC-1978 Hayden, F. (Albers, J.) U.S. Geological Survey
Updater 01-FEB-1989 Peterson, Jocelyn A. 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.