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Unnamed Prospect

Occurrence in Presidio county in Texas, 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. Commodities
  6. Materials information
  7. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Mining district
  12. Land status
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10085743
MRDS ID W701376
Record type Site
Current site name Unnamed Prospect

Geographic coordinates

Geographic coordinates: -104.56994, 29.9041 (WGS84)
Relative position 26 MI (42 KM) NNW OF PRESIDIO

Site location context

Political divisions (FIPS codes)

Presidio(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Sierra Parda(quadrangle 1:24,000 scale)

Presidio(quadrangle 1:100,000 scale)

Presidio(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Cibolo-Red Light(hydrologic unit)

Rio Grande-Amistad(hydrologic accounting unit)

Rio Grande-Amistad(hydrologic subregion)

Rio Grande(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Texas Presidio

Commodities

Commodity Importance
Copper Primary

Materials information

Materials Type of material
Chrysocolla Ore
Malachite Ore
Feldspar Gangue
Montmorillonite Gangue
Quartz Gangue

Alteration

  • (Local) Silicification

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name West Chinati Stock
    Rock description West Chinati Stock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -104.56994, 29.9041
ListMap

Economic information

Comments on the geologic information

  • QUARTZ IN THE GRANITE CONTAINS ABUNDANT THREE-PHASE (SALT-LIQUID-VAPOR) FLUID INCLUSIONS.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Significant No

Mining district

District name Chinati Mountains

Land status

Ownership category Private

Reference information

Bibliographic references

  • Deposit

    PRICE, J. G., HENRY, C. D., AND STANDEN, A. R., 1983, ANNOTATED BIBLIOGRAPHY OF MINERAL DEPOSITS IN TRANS-PECOS TEXAS: BUREAU OF ECONOMIC GEOLOGY (TEXAS), MINERAL RESOURCE CIRCULAR NO. 73, 108 P

  • Other Database

    CIMRI

General comments

Subject category Comment text
Deposit THE COPPER MINERALIZATION IS ASSOCIATED WITH A SILICIFIED ZONE STRIKING NORTHWEST AND CROPPING OUT OVER A DISTANCE OF 2,500 FT (760 M). MUCH OF THE COPPER OCCURS AS CHRYSOCOLLA COATINGS ALONG FRACTURES.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1991 Paidakovich, Matthew E. U.S. Geological Survey
Updater 01-MAR-1993 Long, Keith 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