Ruby Consolidated

Past Producer in El Dorado county in California, United States with commodities Chromium, Gold, Iron
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. Land status
  13. Ownership information
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10285275
MRDS ID C008325
MAS/MILS ID 0060170893
Record type Site
Current site name Ruby Consolidated
Alternate or previous names Green Mine
Related records 10007098

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -120.78602, 38.97099 (WGS84)
Elevation 914
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

El Dorado(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Georgetown(quadrangle 1:24,000 scale)

Placerville(quadrangle 1:100,000 scale)

Sacramento(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

North Fork American(hydrologic unit)

Lower Sacramento(hydrologic accounting unit)

Sacramento(hydrologic subregion)

California(hydrologic region)

Federal lands

Eldorado 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 El Dorado

Public Land Survey System information

Meridian Township Range Section Fraction State
Mount Diablo 013 N 011 E 17 California

Commodities

Commodity Importance
Chromium Critical Tertiary
Gold Tertiary
Iron Tertiary

Materials information

Materials Type of material
Calcite Unknown
Chromite Unknown
Penninite Unknown
Talc Unknown

Nearby scientific data

Ore Body (1) -120.78602, 38.97099

Economic information

Ore body information

  • Length 81M
    Width 9M
    Depth to top 0M
    Field Value
    Type of Orebody #1 SHEAR ZONE
    Shape of Orebody #1 LENTICULAR
    Primary mode of Origin MAGMATIC DIFFER
    Primary Ore Control LITHOLOGY
    Degree of Wallrock Alter. INTENSE
    Type of Wallrock Alter. #1 CARBONITIZATION
    Strike And Dip N20E:
    Minimum Depth to Top 0
    Avg. Thick. Unconsol. Mat. 0
    Min. Thick. Unconsol. Mat. 0
    Date of Last Modification 820421

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1917
Year of first production 1917

Mining district

District name Volcanoville

Land status

Ownership category National Forest

Ownership information

  • Type Owner
    Owner Ruby H. Bryant
    Home office California
    Year 1976
  • Type Operator
    Owner Lulu Stone-Lessee
    Home office California
    Year 1976
  • Type Owner
    Owner Green Estate-Owner During Early 1900'S.
    Home office California
    Year 1976
  • Type Operator
    Owner L. H. Butcher Co.-Leased From Green Estate,During W. W. I.
    Home office California
    Year 1976
  • Type Operator
    Owner Taylor, John
    Home office California
    Year 1976
    First year 1942

Comments on the production information

  • TALIAFERRO STATES THAT 110 LONG TONS OF CHROMITE WAS SHIPPED FROM THE PROPERTY IN 1917 AND AN UNKNOWN QUANTITY IN 1918. IN 194 R SHIPPED 64 LONG TONS OF ORE. CHROMITE AVERAGED 44 PERCENT. INSUFFICIENT DATA FOR MATRIX CALCULATIONS. THIS MINE WAS ORIGINALLY A GOLD MINE.

Reference information

Bibliographic references

  • Deposit

    CATER,F.W. ET AL,1951,GEOL.INVESTOF CHROMITE IN CAL.,CDM AND

  • Deposit

    CHAP.4,P.162-163

  • Deposit

    DMEA MINERAL PROPERTY FILE #15.95

Reporter information

Type Date Name Affiliation Comment
Reporter 27-FEB-1984 Hayashi U.S. Bureau of Mines

Beyond USGS

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

Authoritative California resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.