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  3. Mineral Resource Data System (MRDS)

Unnamed Prospect

Prospect in Cochise county in Arizona, United States with commodities Tungsten, 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. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Workings at the site
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10039517
MRDS ID M050205
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -110.05344, 32.04818 (WGS84)
Elevation 1448
Relative position 3.5 MILES S 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 022E 13 Arizona

Commodities

Commodity Importance
Tungsten Critical Primary
Copper Tertiary

Comments on the commodity information

  • ONLY TRACES OF SCHEELITE SEEN AT SURFACE. SCHEELITE IS DISSEMINATED WITH FLUORITE IN SILICIFIED QUARTZ MONZONITE BRECCIA. COPPER STAINED CRACKS IN BRECCIA AND LIMESTONE APPEAR TO HAVE BEEN LEADS FOLLOWED.

Materials information

Materials Type of material
Scheelite Ore

Analytical data

Result CONCENTRATION OF SCHEELITE CONTAINING ESTIMATED 0.25 TO 0.75 PCT. TUNGSTEN TRIOXIDE WAS FOUND ON DUMP.

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Texas Canyon Quartz Mozonite
    Rock description Texas Canyon Quartz Mozonite
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Pennsylvanian
    Stratigraphic age (youngest) Tertiary
    Chronological age 52
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Horquilla Limestone
    Rock description Horquilla Limestone

Nearby scientific data

(1) -110.05344, 32.04818
ListMap

Economic information

Geologic structures

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

Ore body information

  • General form DISSEMINATED
    Width 4M

Controls for ore emplacement

  • Contact Between Texas Canyon Quartz Monzonite And Horquilla Limestone.

Comments on the geologic information

  • GEOL.DESC: MINERALIZATION OCCURS IN SILICIFIED CONTACT BRECCIA.

Economic information about the deposit and operations

Development status Prospect
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1939

Mining district

District name Cochise District

Workings at the site

  • Type of workings Unknown
    Overall depth 7.62M

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit TUNGSTEN IS DISSEMINATED IN SILICIFIED QUARTZ MONZONITE BRECCIA.
Deposit Discovery Year: PRIOR TO WORLD WAR 1

Reporter information

Type Date Name Affiliation Comment
Reporter 01-SEP-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.