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

Baldora Mine

Past Producer in Los Angeles county in California, United States with commodities Gold, Silver
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. Nearby scientific data
  9. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Mineral rights holdings
  13. Land status
  14. Ownership information
  15. Links to other databases
  16. Bibliographic references
  17. Reporter information

Geologic information

Identification information

Deposit ID 10207829
MRDS ID W024039
MAS/MILS ID 0060370015
Record type Site
Current site name Baldora Mine
Alternate or previous names Widco Mine
Related records 10076789

Geographic coordinates

Point of reference Main Entrance
Geographic coordinates: -117.70338, 34.27472 (WGS84)
Elevation 1463
Location accuracy 10(meters)

Site location context

Political divisions (FIPS codes)

Los Angeles(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mount San Antonio(quadrangle 1:24,000 scale)

San Bernardino(quadrangle 1:100,000 scale)

San Bernardino(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Gabriel(hydrologic unit)

Ventura-San Gabriel Coastal(hydrologic accounting unit)

Southern California Coastal(hydrologic subregion)

California(hydrologic region)

Federal lands

Angeles National Forest(National Forest)

National Forest FS(Type of land area)

FS(Federal land areas administered by FS)

Sheep Mountain Wilderness(Wilderness)

Wilderness FS(Type of land area)

FS(Federal land areas administered by FS)

Geographic areas

Country State County
United States California Los Angeles

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 002 N 008 W 10 N2 California

Commodities

Commodity Importance
Gold Tertiary
Silver Tertiary

Materials information

Materials Type of material
Calcite Unknown
Gold Unknown
Pyrite Unknown
Quartz Unknown

Nearby scientific data

Main Entrance (1) -117.70338, 34.27472
ListMap

Economic information

Ore body information

  • Area 40HA
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 TABULAR
    Primary mode of Origin HYDROTHERMAL
    Primary Ore Control FAULTING
    Secondary Ore Control FOLDING
    Degree of Wallrock Alter. SLIGHT
    Type of Wallrock Alter. #1 SILICIFICATION
    Total Surface Area (HA) 40
    Date of Last Modification 830316

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Significant No
Year of first production 1935

Mining district

District name Mount Baldy District

Mineral rights holdings

Type of mineral rights Located Claim

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Blair, M. S.
    Interest 100
    Home office California1428 N. Spadra, Fullerton, Ca
    Year 1954
  • Type Operator
    Owner Livinston Greenwood, 3433 W. 64th St., Seattle, Wa.
    Home office Washington
    Year 1954

Reference information

Bibliographic references

  • Deposit

    CALIF. JOUR. MINES AND GEOL., V. 50, 1954, NO. 6, P. 615-

  • Deposit

    616.

  • Deposit

    U.S. GEOLOGICAL SURVEY BULLETIN 1506-D, 1982, P. 76-77.

Reporter information

Type Date Name Affiliation Comment
Reporter 31-MAR-1991 Ridenour, James U.S. Bureau of Mines

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

External references

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.