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Little Dome Mine

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

Geologic information

Identification information

Deposit ID 10046347
MRDS ID M241394
Record type Site
Current site name Little Dome Mine
Alternate or previous names Linda Extension, Castle Dome Mine Group, De Luce, Haack, Wall
Related records 10137455

Geographic coordinates

Geographic coordinates: -114.16995, 33.03257 (WGS84)
Elevation 427
Relative position 4 MILES SW OF CASTLE DOME PEAK (ELV. 3788 FT), 0.5 MI S OF CASTLE DOME MINE.

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)

Federal lands

FWS(Federal land areas administered by FWS)

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 019W 36 CENTER OF S2 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1978)

Commodities

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

Materials information

Materials Type of material
Anglesite Ore
Barite Gangue
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Galena Altered To Dark Anglesite, White Cerussite, And Yellow Oxides

Analytical data

Result GALENA CONTAINS 28 TO 30 OZ/TON AG
Result CARBONATES CONTAIN 4 TO 6 OZ/TON

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) Oligocene
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Oligocene
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -114.16995, 33.03257
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Faults Strike N-Nw, Dip Steeply, And Are Followed By Mineral-Bearing Veins
Type of structure Local
Structure description Minor Cross-Faults

Ore body information

  • General form STRINGERS AND IRREGULAR MASSES
    Strike S 50 E
    Dip 85 SW
    Width 0.61M
  • General form STRINGERS AND IRREGULAR MASSES
    Dip 85 SW

Controls for ore emplacement

  • Vein In Shear Zone; Best Ore Occurs Where Oblique Cross Fractures Intersect The Fault Zone

Comments on the geologic information

  • FAULT ZONE CUTS THE SHALE AND DIORITE PORPHYRY DIKE. BOTH SHALE AND DIORITE PORPHYRY ARE CUT BY SMALL QUARTZ PORPHYRY DIKES. SURFACE IS COVERED BY A THIN VENEER OF GRAVEL.

Economic information about the deposit and operations

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

Mining district

District name Castle Dome District

Land status

Ownership category Federal
Area name Kofa Game Range

Comments on the production information

  • PRODUCTION FROM OLD STOPE FILL.

Workings at the site

  • Type of workings Underground
    Length 38.1M
    Overall depth 18.29M
    Overall width 2.13M

Comments on the workings information

  • STOPES FROM 4 TO 7 FT WIDE FOLLOW THE VEIN FOR ABOUT 125 FT AND TO A DEPTH OF 20 TO 60 FT.

Comments on development

  • WORKED INTERMITTENTLY IN THE 1800'S AND RICH STOPE FILL AND DUMPS REWORKED IN 1930'S AND POSSIBLY LATER (KEITH, 1978); ADJOINING THE SENORA ON THE NORTHEAST.

Reference information

Bibliographic references

  • Deposit

    ARIZ BUR MINES BULL 192, P. 120.

  • Deposit

    ARIZ BUR MINES BULL 158, P. 110.

  • Deposit

    WILSON, E.D., 1960, ABM MAP; GEOLOGIC MAP OF YUMA COUNTY. ARIZONA; (1:37500).

  • Deposit

    USBM FILE DATA; CLUSTER #343; LITTLE DOME MINE.

  • Deposit

    WILSON, 1933, ABM BULL 134.

  • Deposit

    PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.

  • Other Database

    CIMRI

  • Production

    WILSON, 1933, P. 98.

General comments

Subject category Comment text
Deposit VEIN OCCURS ALONG A FAULT ZONE CUTTING SHALE AND LARGE DIORITE PORPHYRY DIKES; VEIN SPLAYS OUT TO THE N AND THE S.
Deposit THIS RECORD CONTAINS DATA FROM DUPLICATE RECORD M030341 OF JOCELYN PETERSON AND JAN WILT WHICH HAS BEEN DELETED FROM MRDS. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUN-1982 Laraba, Peter (Gest, Don E.) Arizona Bureau of Geology and Mineral Technology
Updater 01-MAY-1983 Peterson, Jocelyn A. 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.

Maps centered on this site

Authoritative Arizona resources

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