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Mal Abrigo Mine

Producer in Coahuila De Zaragoza, 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. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10069428
MRDS ID W006959
Record type Site
Current site name Mal Abrigo Mine
Related records 10230479

Geographic coordinates

Geographic coordinates: -102.33932, 29.29746 (WGS84)
Relative position 130 AIR KM SE OF MARATHON, TEXAS. ABOUT 30 KM EAST OF BIG BEND NATIONAL PARK, TEXAS. 18 KM BY ROAD NE OF CUATRO PALMAS DEPOSIT.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Boquillas(quadrangle 1:100,000 scale)

Emory Peak(quadrangle 1:250,000 scale)

Geographic areas

Country State
Mexico Coahuila De Zaragoza

Comments on the location information

  • LATITUDE AND LONGITUDE ARE FOR THE APPROXIMATE CENTER OF THE PICO ETERO DISTRICT.
  • LAT. AND LONG. ARE APPROXIMATE. ZACUALPAN DISTRICT INCLUDES GENERAL ESCOBEDO AND EL PERPETUO SOCORRO MINES.

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Comments on the commodity information

  • FLUORITE IS GREY, FINE-GRAINED, LAYERED, AND VUGGY.

Materials information

Materials Type of material
Fluorite Ore

Host and associated rocks

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

Nearby scientific data

(1) -102.33932, 29.29746
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Reg.Struct: Nw-Trending Synclinorium Bounded On The Ne By The Serranias Del Burro And On The Sw By The Sierra Del Carmen

Ore body information

  • Length 300M
    Width 10M

Controls for ore emplacement

  • Faulted Contact Between Intrusive Rhyolite Porphyry And Georgetown Limestone

Economic information about the deposit and operations

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

Mining district

District name Pico Etero District

Comments on the production information

  • ITEM 8 - PRODUCTIVE PERIODS WERE 1938 - 1944, 1951 - ? IN 1951 AN ACID-GRADE MILL (70 M. T./DAY) BEGAN OPERATING, BUT THE DISTRICT HAS BEEN INACTIVE FOR A NUMBER OF YEARS DUE TO LEGAL PROBLEMS ABOUT OWNERSHIP.

Comments on the reserve resource information

  • ITEM 1 - DISTRICT HAS BEEN INACTIVE FOR A NUMBER OF YEARS DUE TO LEGAL PROBLEMS IN CLAIM OWNERSHIP.

Workings at the site

  • Type of workings Surface/Underground
    Length 300M

Comments on the workings information

  • GENERAL ESCOBEDO MINE IS MINERALIZED FOR A STRIKE LENGTH OF 300 M. INDIVIDUAL OREBODIES ARE UP TO 60 M. LONG AND 9 M. WIDE. ADITS DOWN TO 200 M. EL PERPETUO SOCORRO MINE OREBODIES EXTEND OVER 100 M. VERTICALLY AND 200 M. HORIZONTALLY.

Comments on development

  • ECON.COM: ABUNDANT BARITE GANGUE IS SAID TO CAUSE SERIOUS DIFFICULTIES IN THE FLOTATION PROCESS

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit DEPOSIT IS ALONG FAULTED CONTACT BETWEEN AN INTRUSIVE RHYOLITE PORPHYRY AND THE GEORGETOWN LIMESTONE. THE VEIN HAS BEEN WORKED ALONG STRIKE FOR OVER 300 M, WITH ORESHOOTS UP TO 10 M WIDE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1975 Schruben, Paul G. U.S. Geological Survey
Updater 01-AUG-1991 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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