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  3. Mineral Resource Data System (MRDS)

Black Log

Past Producer in Mariposa 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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Ownership information
  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 10102893
MRDS ID M009683
Record type Site
Current site name Black Log
Related records 10237404

Geographic coordinates

Geographic coordinates: -119.93042, 37.58132 (WGS84)
Relative position 6 1/2 MI. N OF MARIPOSA

Site location context

Political divisions (FIPS codes)

Mariposa(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Feliciana 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

Bureau of Land Management(Bureau of Land Management CA)

Bureau of Land Management CA BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States California Mariposa

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 04S 18E 13 California

Comments on the location information

  • PROBABLY SE 1/4 - NEAR BUFFALO OR SAN DOMINGO MINE. UTM EST.

Commodities

Commodity Importance
Gold Primary

Materials information

Materials Type of material
Gold Ore
Quartz Gangue

Nearby scientific data

(1) -119.93042, 37.58132
ListMap

Economic information

Ore body information

  • General form TABULAR
    Thickness 0.3M

Economic information about the deposit and operations

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

Ownership information

  • Type Operator
    Owner Catherine B. Trabucco And Elsie R. Dovidio

Comments on the production information

  • NO PRODUCTION RECORDED.

Workings at the site

  • Type of workings Underground
    Overall depth 21.34M

Comments on the workings information

  • IN 1914, CHIEF WORKING WAS A SHAFT 70 FT. DEEP.

Reference information

Bibliographic references

  • Deposit

    BOWEN, O. E., JR., & GRAY, H., JR., 1957 , MINES AND MINERAL DEPOSITS OF MARIPOSA COUNTY, CALIF.: CALIF. JOUR. MINES & GEOL., VOL. 53 , NOS. 1 & 2 , P. 241

General comments

Subject category Comment text
Deposit VEIN 6 IN. - 1 FT. THICK
Deposit WORKING CAVED AND INACCESSIBLE IN AUGUST 1954. PROBABLY ONE OF THE WORKINGS SHOWN ON U.S. GEOL. SURVEY QUAD. FELICIANA MTN., CALIF., 1948

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1978 Hayden, F. (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.