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El Zapote Fluorspar Mine

Producer in San Luis Potosi, Mexico with commodity Fluorine-Fluorite
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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. 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. Production statistics
  16. Workings at the site
  17. Links to other databases
  18. Bibliographic references
  19. General comments
  20. Reporter information

Geologic information

Identification information

Deposit ID 10069433
MRDS ID W006965
Record type Site
Current site name El Zapote Fluorspar Mine

Geographic coordinates

Geographic coordinates: -100.03368, 21.63386 (WGS84)
Location accuracy 10000(meters)
Relative position 25 KM SOUTH OF RIO VERDE, SAN LUIS POTOSI. STRADDLES THE STATES OF SAN LUIS POTOSI AND GUANAJUATO., Estimated Location, +/- 5 Minutes.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico San Luis Potosi

Comments on the location information

  • LAT. AND LONG. ARE APPROXIMATE. IMPORTANT PRODUCERS WERE NOYES, KILPATRIC (DETOMAC), ROGERS, AND BAILEY

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Comments on the commodity information

  • FLUORITE IS FINE-GRAINED, FINELY LAYERED, AND PINKISH GRAY.
  • ORE WAS HAND - COBBED TO METALLURGICAL - GRADE

Materials information

Materials Type of material
Fluorite Ore
Calcite Gangue
Quartz Gangue

Analytical data

Result ORE IS 60-80% CAF2.

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene

Nearby scientific data

(1) -100.03368, 21.63386
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Sierra Madre Oriental

Ore body information

  • General form PIPE
    Plunge VERTICAL
    Length 60M
    Width 60M

Controls for ore emplacement

  • Contact Zone Of Limestone And Volcanics

Economic information about the deposit and operations

Development status Producer
Commodity type Non-metallic
Deposit size Medium
Significant No

Mining district

District name Rio Verde District

Ownership information

  • Type Owner
    Owner Compania Minera La Valenciana
    First year 1974

Production statistics

  • Year 1972
    Material CAF2 ORE
    Accuracy Estimate
    Description Ap_Grade: ^60% Caf2 - 80% Caf2
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major CaF2 Ore Fluorine-Fluorite Fluorine 70wt-pct

Comments on the production information

  • PRODUCTION IS AVERAGE YEARLY PRODUCTION.
  • UNDERGROUND FLOODING AND NARROW VEIN WIDTHS MAKE THE MINES UNCOMPETITIVE. NO MINING HAS OCCURRED SINCE 1961.

Workings at the site

  • Type of workings Underground
    Overall depth 107M

Comments on the workings information

  • THE LARGEST MINE, ROGERS, WAS WORKED FROM 4 SHAFTS UP TO 72 M. DEEP AN A 30 M. LONG OPEN CUT. LENGTH OF UNDERGROUND WORKINGS IS 225 M. THE OREBODY AVERAGED 16.5 M. WIDE OVER A LENGTH OF 110 M.
  • ORE IS HAND SORTED AT THE MINE AND TRUCKED TO RIO VERDE FOR FURTHER PROCESSING.

Comments on development

  • THE GOVERNMENT DRILLING PROGRAM DID NOT EXPLORE THE SOUTHERN PART OF THE MORIA FAULT NOR DID IT DRILL BELOW 75 M. ; ECON.COM: WATER INFLOW WAS A CRITICAL PROBLEM IN THE MINES NORTH OF MOIRA LAKE.
  • ECON.COM: ORE IS HAND SORTED AT THE MINE AND TRUCKED TO A WASHING PLANT AT RIO VERDE.

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. 78-79.

  • Other Database

    CIMRI

  • Production

    PICKARD, 1974.

General comments

Subject category Comment text
Deposit THE OREBODY IS A NEAR VERTICAL CHIMNEY, ABOUT 60 M IN DIAMETER, IN LIMESTONE NEAR THE CONTACT WITH VOLCANIC ROCKS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-75 Schruben, Paul G. U.S. Geological Survey
Updater 01-JUN-90 Orris, Greta J. U.S. Geological Survey
Updater 01-NOV-93 Staude, John-Mark G. U.S. Geological Survey
Updater 04-JAN-95 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

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