La Colorado Mine

Past Producer in Yuma county in Arizona, United States with commodities Lead, Silver, Fluorine-Fluorite, Barium-Barite, Molybdenum, Copper
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. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10000274
MRDS ID M002610
Record type Site
Current site name La Colorado Mine
Alternate or previous names Lincoln Mine, Castle Dome Mine Group
Related records 10137866

Geographic coordinates

Geographic coordinates: -114.16939, 33.00451 (WGS84)
Relative position 6 MILES SW OF CASTLE DOME PEAK (ELV. 3788 FT).

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Castle Dome Peak(quadrangle 1:24,000 scale)

Trigo Mountains(quadrangle 1:100,000 scale)

Salton Sea(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004S;005S 019W;019W 36;01,12 CENTER OF E2 Arizona

Commodities

Commodity Importance
Lead Primary
Silver Secondary
Fluorine-Fluorite Critical Secondary
Barium-Barite Critical Tertiary
Molybdenum Tertiary
Copper Tertiary

Materials information

Materials Type of material
Barite Gangue
Calcite Gangue
Fluorite Unknown

Alteration

  • (Local) Silicification, Sericitization

Analytical data

Result ABOUT 965 TONS OF ORE AVERGING 43% PB, AND 38 OZ/TON AG

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Mafic Intrusive Rock > Diorite
    Rock unit name Kofa Volcanics
    Rock description Kofa Volcanics
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -114.16939, 33.00451

Economic information

Ore body information

  • General form LENSES, SPOTTY BUNCHES & POCKETS
    Width 2.44M
    Depth to bottom 60.96M

Controls for ore emplacement

  • Along Fissures At Shale And Limestone Contacts With Diorite Porphyry Dikes

Comments on the geologic information

  • PARTLY COVERED BY SURFACE GRAVELS, SOME VEINS COPPER STAINED.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Both
Deposit size Small
Significant No
Year of first production 1901
Year of last production 1949

Mining district

District name Castle Dome District

Land status

Ownership category Federal
Area name Kofa National Wildlife Refuge

Comments on the production information

  • SOME FLUORSPAR ALSO SHIPPED

Comments on the workings information

  • STOPING OPERATIONS FROM SHAFTS IN LATE 1800'S INTO EARLY 1900'S. ADD FILL AND DUMPS REWORKED IN THE LATE 1940'S.

Comments on development

  • PAST OPERATORS INCLUDE: HUDSON, LAGUNA, MODESTI; FORMERLY HELD BY E. LINCOLN IN 1930.

Reference information

Bibliographic references

  • Deposit

    U.S.B.M. CARD FILE.

  • Deposit

    WILSON, E.D., 1951, ARIZONA ZINC AND LEAD DEPOSITS: ARIZ. BUREAU OF MINES BULLETIN 134, P. 114.

  • Deposit

    WILSON, E.D., 1933, GEOLOGY AND MINERAL DEPOSITS OF SOUTHERN YUMA COUNTY, ARIZONA: ARIZ. BUREAU OF MINES BULLETIN 134, P. 102.

  • Deposit

    USBM-ABGMT PRODUCTION FILE DATA.

  • Deposit

    USBM FILL DATA; CLUSTER #308; LA COLORADO GROUP.

  • Deposit

    KEITH, S.B., 1978, INDEX OF MINING PROPERTIES IN YUMA COUNTY, ARIZONA; ARIZONA BUREAU OF MINES BULLETIN 192, P. 120.

  • Other Database

    CIMRI

  • Production

    WILSON, 1951.

General comments

Subject category Comment text
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD M899962 OF W. GERE WHICH HAS BEEN DELETED FROM MAIN MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-OCT-1979 Hall, R. K. (Creasey, S. C.) U.S. Geological Survey
Updater 01-DEC-1992 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Arizona resources

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