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Concheno

Past Producer in Chihuahua, Mexico with commodities Gold, Silver, Lead, Zinc, 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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Ownership information
  15. Production statistics
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10049406
MRDS ID MX02039
Record type Site
Current site name Concheno
Alternate or previous names Conchenito, Mines: Veta Grande, Navidad, San Ciriaco, Gracia De Dios, Teocali.
Related records 10158117

Geographic coordinates

Geographic coordinates: -108.18809, 28.32942 (WGS84)
Location accuracy 5000(meters)
Relative position 20 KM SE OF EL POTRERO AND 20 KM SW OF LOS LETREROS, ACCESS VIA DIRT ROAD FROM CHIHUAHUA-SONORA TRANS-SIERRA HIGHWAY

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

  • 3 PROSPECT AREAS ON GEOLOGIC 1:500,000 MAP. COORDINATES CORRESPOND TO MAIN ONE.

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Tertiary
Zinc Critical Tertiary
Manganese Critical Tertiary

Materials information

Materials Type of material
Argentite Ore
Galena Ore
Gold Ore
Pyrargyrite Ore
Pyrolusite Ore
Sphalerite Ore
Calcite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result SEE PRODUCTION DATA.

Mineral occurrence model information

Model code 150
USGS model code 25c
Deposit model name Epithermal vein, Comstock
Mark3 model number 16

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Mafic Volcanic Rock > Basalt
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -108.18809, 28.32942
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Minor Basin And Range Normal Faults

Ore body information

  • General form TABULAR VEINS
    Thickness 3M
    Length 12000M

Comments on the geologic information

  • TERTIARY VOLCANIC ROCKS: ANDESITES OVERLAIN BY RHYOLITES; LOCALLY COVERED BY SMALL BASALT FLOWS. CUT BY FAULTS OF SMALL DISPLACEMENT.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Medium
Significant No
Discovery year 1897

Mining district

District name Los Bayos-Ocampo District/Tomoseachic Area

Ownership information

  • Type Owner
    Owner La Compania Minera Idria, S. A. , Minera Frisco Exploring
    First year 1951
    Last year 1952

Production statistics

  • Year 1928
    Material ORE AU AG
    Accuracy Accurate
    Description Ap_Grade: ^6.05 G/Ton Au, 462 G/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 462g/mt
    Ore Gold Gold 6g/mt
  • Year 1929
    Material ORE AU AG
    Accuracy Accurate
    Description Ap_Grade: ^5.6 G/Ton Au, 498 G/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 498g/mt
    Ore Gold Gold 6g/mt
  • Year 1951
    Material ORE AU AG
    Accuracy Accurate
    Description Ap_Grade: ^99.8 Kg Au, 5341.5 Kg Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 5341100g
    Ore Gold Gold 99800g
  • Year 1952
    Material ORE AU AG
    Accuracy Accurate
    Description Ap_Grade: ^98.2 Kg Au, 5789.8 Kg Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Silver Silver 5789800g
    Ore Gold Gold 98200g

Comments on the production information

  • DOLORES MINING CO. DATA. ITEM 1> CONTAINED METAL: 157 KG AU, 11,029 KG AG.

Comments on the workings information

  • IMPORTANT DEVELOPMENTS- SHAFTS: SAN CIRIACO, NAVIDAD, ZARAGOZA. MAJOR TUNNEL: CORRIGAN MCKINNEY, 3000 M LONG WITH 9 LEVELS. ABOVE MAIN ADIT: 100, 200, 300, 400, 500, AND 600 -LEVELS. BELOW MAIN ADIT: 700, 800, AND 900 -LEVELS.

Comments on development

  • DENOUNCED, 1897. OWNED AND OPERATED BY CONCHENO MINING CO., 1907-1928. LEASED TO DOLORES MINING CO., 1928-1930. REVERTED TO CONCHENO MINING, FEB. 1930.

Reference information

Bibliographic references

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: U.S. GEOLOGICAL SURVEY CIRCULAR 858-A AND -B.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 189.

  • Deposit

    GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, XX, DURANGO, MEXICO, 1956, P. 68-71.

  • Deposit

    SECRETARIO DE PROGRAMACION Y PREPUESTO, 1984, TECORIPA: CARTA GEOLOGICA; INSTITUTO NACIONAL DE ESTADISTICA GEOGRAFIA E INFORMACION, MEXICO D.F., SCALE 1:250,000.

  • Deposit

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

  • Other Database

    CIMRI

  • Production

    GONZALEZ, 1956.

General comments

Subject category Comment text
Deposit MINERALIZED FAULT IN ANDESITES. VEIN WITH VARIABLE WIDTH UP TO 3.0 M AND OVER 12 KM STRIKE LENGTH. MOSTLY BARREN, BUT CONTAINS VERY RICH CONCENTRATIONS OF NATIVE AU, ARGENTITE, PYRARGYRITE, PYRITE AND GALENA WITH MINOR AMOUNTS OF SPHALERITE AND PYROLUSITE IN QUARTZ-CALCITE MATRIX.
Deposit PRIMARILY SILVER IN VEINS. SIMILAR AU-AG DEPOSITS OCCUR AT LAS DELICIAS, 4 KM SE OF CONCHENO. ; INFO.SRC : 1 PUB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-88 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JAN-91 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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