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Descubridora

Past Producer in Chihuahua, Mexico with commodities Silver, Gold, Lead, Iron, Manganese
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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. Mineral occurrence model information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10049531
MRDS ID MX02269
Record type Site
Current site name Descubridora
Related records 10255286

Geographic coordinates

Geographic coordinates: -106.03386, 28.67525 (WGS84)
Location accuracy 10000(meters)
Relative position 10 KM S OF LA NEGRA, 20 KM E OF EL POTOAI (SANTA EULALIA- WEST CAMP).

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Chihuahua

Comments on the location information

  • ESTIMATED TO NEAREST 15 SECONDS.5-10 KM N OF CHIHUAHUA. MINE SHOWN ON 1:250,000 GEOLOGIC MAP. REACHABLE BY DIRT ROAD.

Commodities

Commodity Importance
Silver Primary
Gold Primary
Lead Secondary
Iron Tertiary
Manganese Critical Tertiary

Comments on the commodity information

  • MAINLY AG AND AU PRODUCED

Materials information

Materials Type of material
Calcite Gangue
Selenite Gangue

Analytical data

Result 340 G/MT AG, 8.5 G/MT AU, MINOR PB, LARGE AMOUNTS OF FE AND MN.

Mineral occurrence model information

Model code 72
USGS model code 19a
Deposit model name Polymetallic replacement
Mark3 model number 47

Host and associated rocks

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

Nearby scientific data

(1) -106.03386, 28.67525
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Economic information

Ore body information

  • General form MANTO

Comments on the geologic information

  • FOLDED FOSSILIFEROUS LIMESTONE OF CRETACEOUS AGE OVERLAIN BY TERTIARY ANDESITES AND RHYOLITE FLOWS.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1899

Mining district

District name /Chihuahua

Production statistics

  • Year 1930
    Material ORE PB AG
    Accuracy Estimate
    Description Ap_Grade: ^8.5 G/Mt Au, 295 G/Mt Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 295g/mt
    Ore Gold Gold 9g/mt

Reference information

Bibliographic references

  • Deposit

    GONZALEZ REYNA, J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, 20TH, DURANGO, MEXICO, 1956, P. 195-197.

  • Deposit

    SOCIEDAD GEOLOGICA MEXICANA A.C., 1985, PLANO GEOLOLGICO MINERO DE CHIHUAHUA, MEXICO: CONSEJO DE RECURSOS MINERALES AND FEDERAL GOVERNEMNT OF MEXICO D.F., 1 SHEET, SCALE 1:500,000

  • Deposit

    SPP, 1985, CHIHUAHUA

  • Production

    GONZALEZ, 1956.

General comments

Subject category Comment text
Deposit MANTO-TYPE OREBODY, MAX. THICKNESS OF 12 M, CONSISTING OF LIMESTONE IMPREGNATED WITH FERROMANGANESE MINERALS AND CARRYING AG + AU. DIP: 8-10 SE. CROSSCUT BY CALCITE VEINLETS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-AUG-91 Kibbe, R.D. (Staude, J-M.G.) U.S. Geological Survey
Updater 01-JUN-93 Staude, John-Mark G. U.S. Geological Survey

Beyond USGS

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

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