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

Old Timer

Past Producer in Mariposa county in California, United States with commodities Gold, Copper
Map
XML
JSON
KML
C
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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10031212
MRDS ID M009850
Record type Site
Current site name Old Timer
Related records 10163452

Geographic coordinates

Geographic coordinates: -119.88654, 37.6752 (WGS84)
Elevation 610
Relative position 1/2 MI N MERCED RIVER NEAR CLEARING HOUSE

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

Stanislaus 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 16 California

Comments on the location information

  • UTM EST NE 1/4

Commodities

Commodity Importance
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Pyrite Ore
Quartz Gangue

Analytical data

Result SOME ASSAYS $70 AU/TON

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
  • Host or associated Host
    Rock type Plutonic Rock > Ultramafic Intrusive Rock > Hornblendite
  • Host or associated Host
    Rock type Metamorphic Rock > Hornfels

Nearby scientific data

(1) -119.88654, 37.6752
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Strike Of Metamorphic Rocks N 20 - 25 W

Ore body information

  • Strike N 10 - 20 W
    Dip 45 - 50 E
    Thickness 0.91M
    Depth to top 0M

Comments on the geologic information

  • WALL ROCKS ARE HORNBLENDE QUARTZ DIORITE, BLACK QUARTZ-BIOTITE HORNFELS AND MIXED, INJECTED CONTACT ROCKS

Economic information about the deposit and operations

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

Land status

Ownership category National Forest

Ownership information

  • Type Operator
    Owner Herman L. Bullard And Thomas M. Fagan

Comments on the production information

  • ORE DURING DEVELOPMENT ( 1954 - 1955 ) AVERAGED $10 AU/TON

Comments on the workings information

  • SHORT TUNNEL N 55 E W SHORT DRIFTS

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. 293

General comments

Subject category Comment text
Deposit VEIN, 2 - 3 FT THICK

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-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.