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

Oro Cruz (Tumco)

Past Producer in Imperial 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. Commodities
  6. Mineral occurrence model information
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Ownership information
  10. Production statistics
  11. Reserves and resources
  12. Bibliographic references
  13. Reporter information

Geologic information

Identification information

Deposit ID 10400460
Record type Deposit
Current site name Oro Cruz (Tumco)

Geographic coordinates

Geographic coordinates: -114.81, 32.887 (WGS84)

Site location context

Political divisions (FIPS codes)

Imperial(county)

California(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hedges(quadrangle 1:24,000 scale)

Yuma(quadrangle 1:100,000 scale)

El Centro(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Salton Sea(hydrologic accounting unit)

Southern Mojave-Salton Sea(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 Imperial

Commodities

Commodity Importance
Gold Primary

Mineral occurrence model information

Model code 133
USGS model code Unassigned
Deposit model name Peraluminous granite porphyry
Mark3 model number none

Nearby scientific data

(1) -114.81, 32.887
ListMap

Economic information

Economic information about the deposit and operations

Operation type Underground
Development status Past Producer
Significant Yes

Ownership information

  • Type Owner
    Owner ADGIS, Inc. - Bureau of Land Management
    Year 2010
  • Type Owner
    Owner Hecla
    Year 2010
    First year 1994

Production statistics

  • Year 1895
    Period 1895-1946
    Material Keith Long's source is USBM.
    Ore mined 1100000mt
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Primary Gold Gold 12g/mt

Reserves and resources

  • Type In-situ
    Estimate year 2010
    Total resources 6617000mt
    Commodity Subtype Grade units Group Importance Year
    Gold 1.7 g/mt Gold Primary 2010

Reference information

Bibliographic references

  • Deposit

    Colvocoresses, G.M., 1942, Tumco Mines report, for Tumco Mines, Inc., Boston, Mass.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-10 Schruben, Paul 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.