Piedra Azul Prospect

Occurrence in Brewster county in Texas, United States with commodity Fluorine-Fluorite
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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Land status
  14. Links to other databases
  15. Bibliographic references
  16. Reporter information

Geologic information

Identification information

Deposit ID 10096718
MRDS ID W701224
Record type Site
Current site name Piedra Azul Prospect
Alternate or previous names Christmas Mountains

Geographic coordinates

Geographic coordinates: -103.43574, 29.44717 (WGS84)
Relative position 11 MI (17 KM) NE OF STUDY BUTTE

Site location context

Political divisions (FIPS codes)

Brewster(county)

Texas(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Christmas Mountains(quadrangle 1:24,000 scale)

Chisos Mountains(quadrangle 1:100,000 scale)

Emory Peak(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Santiago Draw(hydrologic unit)

Rio Grande-Amistad(hydrologic accounting unit)

Rio Grande-Amistad(hydrologic subregion)

Rio Grande(hydrologic region)

Geographic areas

Country State County
United States Texas Brewster

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Quartz Gangue

Alteration

  • (Local) Fluoritization Of Limestone

Analytical data

Result AVERAGE COMPOSITION OF FOUR SAMPLES: 71.5% CAF2, 14.16% CACO3, 9.13% SIO2, AND 1.06% CASO4.

Mineral occurrence model information

Model code 238
USGS model code 32m
Deposit model name Manto fluorite

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Santa Elena Limestone
    Rock description Santa Elena Limestone

Nearby scientific data

(1) -103.43574, 29.44717

Economic information

Comments on the geologic information

  • LARGEST DEPOSIT AT THIS LOCALITY IS IN A ROOF PENDANT, OR LARGE XENOLITH, WHICH CROPS OUT FOR APPROXIMATELY 500 FT (150 M). MOLYBDENITE AND MOLYBDENUM-OXIDE MINERALS NOTED AT THIS LOCALITY.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic
Significant No
Discovery year 1952

Mining district

District name Christmas Mountains Fluorspar District

Land status

Ownership category Private

Comments on development

  • FIRST DISCOVERY IN DISTRICT.

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

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAR-1990 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.