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  3. Mineral Resource Data System (MRDS)

Legal Tender Prospect

Occurrence in Cochise county in Arizona, United States with commodity Copper
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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. Economic information about the deposit and operations
  14. Mining district
  15. Land status
  16. Ownership information
  17. Workings at the site
  18. Links to other databases
  19. Bibliographic references
  20. Reporter information

Geologic information

Identification information

Deposit ID 10039390
MRDS ID M050017
Record type Site
Current site name Legal Tender Prospect
Related records 10258273, 10281462

Geographic coordinates

Geographic coordinates: -110.03427, 32.07762 (WGS84)
Elevation 1448
Relative position 3.5 MILES NORTH OF DRAGOON, 2.5 MILES SE OF JOHNSON.

Site location context

Political divisions (FIPS codes)

Cochise(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Dragoon(quadrangle 1:24,000 scale)

Tucson(quadrangle 1:100,000 scale)

Tucson(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Willcox Playa(hydrologic unit)

San Pedro-Willcox(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Cochise

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 016S 023E 06 Arizona

Comments on the location information

  • INFO FROM LAND.ST :(1979)

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Diopside Gangue
Garnet Gangue
Wollastonite Gangue

Alteration

  • (Local) Tactite, Recrystallized Limestone.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Texas Canyon
    Rock description Texas Canyon
    Stratigraphic age (youngest) Tertiary
    Chronological age 53
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Horquilla Limestone
    Rock description Horquilla Limestone

Nearby scientific data

(1) -110.03427, 32.07762
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Tertiary Block Faulting Trending Nw. ; Reg.Trends: Late Cretaceous Or Early Tertiary N And Nw Trending Folds And Thrust Faulting Overriding To Ne.
Type of structure Local
Structure description Lamprophyre Dike.

Ore body information

  • General form SMALL SEAMS AND POCKETS

Comments on the geologic information

  • GEOL.DESC: BEDS OF TACTITE AND RECRYSTALLIZED LIMESTONE STRIKE N 20 W DIP 34 TO 61 NE. THOUGHT TO BE HORQUILLA. LIMESTONE CONTAIN POPS AND LENSES OF SILICATE MINERALS. SEAMS AND SMALL POCKETS OF OXIDIZED COPPER MINERALS OCCUR ALSO.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Cochise District

Land status

Ownership category Private

Ownership information

  • Type Owner
    Owner Mrs. Thomas Adams
    Home office Dragoon, Az.
    First year 1955

Comments on the production information

  • SEVERAL TONS OF LOW GRADE ORE MINED, BUT NEVER SHIPPED.

Workings at the site

  • Type of workings Underground
    Overall depth 45.72M

Comments on development

  • LOGS OF DRILL HOLES P 179 COOPER AND SILVER 1964.

Reference information

Bibliographic references

  • Deposit

    COOPER, J.R., AND SILVER L.T., 1964, U.S. GEOLOGICAL SURVEY PROF. PAPER 416.

  • Deposit

    LIVINGSTON, MAUGER, BENNETT, AND LAUGHLIN, 1967, JGR, V. 72, P. 1361-1375.

  • Deposit

    1948 DIREXPL U.S. GEOLOGICAL SURVEY, 2 DRILL HOLES.

  • Deposit

    1964 GEOLMAP U.S. GEOLOGICAL SURVEY, COOPER AND SILVER, PROF. PAPER 416

  • Production

    COOPER AND SILVER 1964.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Bergquist, Joel R. 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.