1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Jenkins Hill

Past Producer in Mariposa county in California, United States with commodity Gold
Map
XML
JSON
KML
B
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Land status
  12. Ownership information
  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 10031214
MRDS ID M009854
Record type Site
Current site name Jenkins Hill
Related records 10114867

Geographic coordinates

Geographic coordinates: -119.92154, 37.66798 (WGS84)
Elevation 457
Relative position NW1/4. ON WEST SIDE OF MILLER GULCH 1/2 MILE N. OF THE MERCED RIVER AND STATE HIGHWAY 140 ADJACENT TO FORMER PROPERTY OF YOSEMITE PORTLAND CEMENT CO.

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kinsley(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 003S 019E 18 California

Comments on the location information

  • UTM EST. NW 1/4

Commodities

Commodity Importance
Gold Primary

Comments on the commodity information

  • LITTLE OR NO FREE GOLD

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) -119.92154, 37.66798
ListMap

Economic information

Ore body information

  • Thickness 0.91M

Comments on the geologic information

  • GEOL.DESC: GRANITE FOOTWALL, SLATE HANGING WALL

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1855
Production years 1919 , 1927

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner W. J. Schofield And A. B. Smith
    First year 1927

Workings at the site

  • Type of workings Underground
    Length 131.67M

Comments on the workings information

  • TWO DRIFT ADITS 90 FT. APART, ONE ABOVE THE OTHER, CONNECTED BY A RAISE. LOWER ADIT IS 432 FT. LONG

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., GRAY, C. H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIFORNIA: CALIF. JOUR. MINES AND GEOLOGY, V. 53 , NOS. 1 AND 2 , P. 271 .

  • Deposit

    LAIZURE, C. MCK., 1928 , SAN FRANCISCO FIELD DIVISION IN TWENTY-FOURTH REPORT OF THE STATE MINERALOGIST: CALIFORNIA STATE MINING BUREAU. P. 91 .

  • Production

    BOWEN & GRAY 1957

General comments

Subject category Comment text
Deposit VEIN, 4 IN - 3 FT THICK
Deposit Discovery Year: 1850'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1973 Gere, W. U.S. Geological Survey
Updater 01-JAN-1979 Bowman, J. And 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.