La Azul Mine

Past Producer in Guerrero, Mexico with commodities Fluorine-Fluorite, Barium-Barite
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Geologic structures
  10. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Reserves and resources
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. Reporter information

Geologic information

Identification information

Deposit ID 10069437
MRDS ID W006969
Record type Site
Current site name La Azul Mine

Geographic coordinates

Geographic coordinates: -99.55033, 18.58399 (WGS84)
Relative position 10 KM NE OF TAXCO, GUERRERO.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Guerrero

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary
Barium-Barite Critical Tertiary

Materials information

Materials Type of material
Barite Ore
Fluorite Ore
Calcite Gangue
Dolomite Gangue
Quartz Gangue

Analytical data

Result FLUORSPAR ORE: CAF2 - 63%
Result SIO2 - 27%
Result CACO3 - 2.5%

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Stratigraphic age (youngest) Holocene
    Stratigraphic age (youngest) Oligocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Volcanic Breccia (Agglomerate)
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Rock unit name Tilzapota Series
    Rock description Tilzapota Series
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Rock unit name Morelos Formation;Balsas Conglomerate
    Rock description Morelos Formation;Balsas Conglomerate
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Dolomite

Nearby scientific data

(1) -99.55033, 18.58399

Economic information

Geologic structures

Type of structure Regional
Structure description Sierra De Taxco
Type of structure Local
Structure description Ne-Trending Faults

Ore body information

  • General form PIPE
    Plunge 70 - 80 DEG
    Plunge direction NE
    Length 16M
    Width 16M

Controls for ore emplacement

  • Breccia At Faulted Contact Between Limestone And Rhyolitic Rocks; Possibly A Volcanic Chimney Or A Limestone Sinkhole.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Non-metallic
Deposit size Medium
Significant No
Year of first production 1939
Year of last production 1948
Production years 1939-1948

Mining district

District name Taxco District

Ownership information

  • Type Operator
    Owner Nacional Minera De Taxco
  • Type Owner
    Owner Restuaradora De Minas

Reserves and resources

  • Type In-situ
    Estimate year 1942
    Total resources 500000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Fluorine-Fluorite CaF2 85 wt-pct Fluorine Major 1942

Workings at the site

  • Type of workings Surface/Underground
    Overall depth 55M

Reference information

Bibliographic references

  • Deposit

    PICKARD, G.W., 1974, GEOLOGY OF MEXICAN FLUORSPAR DEPOSITS, IN HUTCHESON, D.W., ED., A SYMPOSIUM ON THE GEOLOGY OF FLUORSPAR: KENTUCKY GEOLOGICAL SURVEY SPECIAL PUBLICATION 22, P. 23-30.

  • Deposit

    VAN ALSTINE, R.E., 1963, INVESTIGATION OF THE PRINCIPAL FLUORSPAR DISTRICTS OF MEXICO: U.S. GEOLOGICAL SURVEY OPEN-FILE REPORT 688, P. 62-67.

  • Other Database

    CIMRI

  • Production

    VAN ALSTINE, 1963.

  • Reserve-Resource

    PICKARD,1974.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Schruben, Paul G. U.S. Geological Survey
Updater 01-JUN-1990 Orris, Greta J. U.S. Geological Survey
Updater 04-JAN-1995 Orris, Greta J. U.S. Geological Survey

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.