1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Yoquivo

Past Producer in Chihuahua, Mexico with commodities Silver, Gold, Copper, Lead, Zinc
Map
XML
JSON
KML
B
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Alteration
  8. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Ownership information
  17. Production statistics
  18. Links to other databases
  19. Bibliographic references
  20. General comments
  21. Reporter information

Geologic information

Identification information

Deposit ID 10049478
MRDS ID MX02187
Record type Site
Current site name Yoquivo
Alternate or previous names Grijalva, Concamena, Cojurichic, San Antonio, San Francisco, Esperanza, Numero 2, C.Q. Y Don Carlos.
Related records 10278747

Geographic coordinates

Geographic coordinates: -108.06725, 28.05859 (WGS84)
Elevation 2300
Location accuracy 5000(meters)
Relative position 30 KM N OF MAGUARICHI OCCURRENCE AND 45 KM ESE OF OCAMPO.

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

  • 3-5 KMS ON DIRT ROAD S OF HIGHWAY TO OCAMPO WHICH LEADS TO YOQUIVO (YOKIVO), ONE OF THE MAIN AREAS OF THE DISTRICT.

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Secondary
Lead Secondary
Zinc Critical Secondary

Comments on the commodity information

  • NATIVE AG ESPECIALLY ABUNDANT IN ZONES OF SECONDARY ENRICHMENT. MODERATE BASE METAL CONTENT.

Materials information

Materials Type of material
Argentite Ore
Bornite Ore
Chalcopyrite Ore
Chrysocolla Ore
Covellite Ore
Electrum Ore
Galena Ore
Gold Ore
Malachite Ore
Silver Ore
Sphalerite Ore
Stephanite Ore
Stromeyerite Ore
Calcite Gangue
Chalcedony Gangue
Quartz Gangue
Pyrite Unknown

Alteration

  • (Local) Propylitic, Potassic, Argillic, Silicic

Analytical data

Result 0.35 OZ AU/TON, 36.0 OZ AG/TON, AU:AG RATIO = 1:74 (BUCHANAN, 1981).

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) Pliocene
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -108.06725, 28.05859
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Five Normal Faults Encountered In S. Fsco. Tunnel: 1> N 57 W, 75 Ne; At Least 300 M Displacement, Southern Limit Of Mineralization. 2> N 40 E, 65 Se; Post-Min. 3> N 55 W, 65 Ne; Post-Min. 4> N 50 E, 75 Se; Cut By Fault No. 3. 5> N 40 E, 45 Se; Follows Contact Between Andesitic Tuffs And Augite Andesites. Many Nnw Trending Lineaments, Possibly Faults.

Ore body information

  • Strike 1>N 5-40 E; 2>N 0-14 E
    Dip 1>60-75 SE; 2>75-80 E TO 75-80 W
  • Strike 1>N 5-40 E; 2>N 0-14 E
    Dip 1>60-75 SE; 2>75-80 E TO 75-80 W

Controls for ore emplacement

  • Fault Controlled

Comments on the geologic information

  • VOLCANIC HOST ROCKS STRONGLY FAULTED AND LOCALLY ALTERED. SOME ANDESITIC TUFFS PRESENT, BUT GENERALLY ANDESITES FORM DIKES AND FLOWS CUT BY NUMEROUS NORMAL FAULTS. RHYOLITES FORM A SERIES OF FLOWS OVERLYING? ANDESITES.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1867

Mining district

District name Yoquivo/Ocampo

Ownership information

  • Type Owner
    Owner La Yoquivo Development Co.
    First year 1908

Production statistics

  • Year 1956
    Period 1908-1956
    Material AG
    Accuracy Accurate
    Description Cp_Grade: ^0.35 Oz Au/Ton, 36.0 Oz Ag/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Gold Gold 10g/mt
    Major Silver Silver 1016g/mt
  • Year 1956
    Period 1908-1956
    Material ORE AU AG
    Accuracy Accurate
    Description Cp_Grade: ^10.8 G/Ton Au, 1119 G/Ton Ag
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 11g/mt
    Major Ore Silver Silver 1119g/mt

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

    GONZALEZ R., J., 1956, MEMORIA GEOLOGICO-MINERA DEL ESTADO DE CHIHUAHUA: CONGRESO GEOLOGICO INTERNACIONAL, XX, DURANGO, MEXICO, 1956, P. 79-83.

  • Deposit

    BUCHANAN, L.J., 1981, PRECIOUS METAL DEPOSITS ASSOCIATED WITH VOLCANIC ENVIRONMENTS IN THE SOUTHWEST IN DICKINSON, W.R., AND PAYNE, W.D., (EDS.), 1981, RELATIONS OF TECTONICS TO ORE DEPOSITS IN THE SOUTHERN CORDILLERA: ARIZONA GEOLOGICAL SOCIETY DIGEST, V. 14, P. 237-262.

  • 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.

  • Deposit

    WISSER, E., 1966, THE EPITHERMAL PRECIOUS-METAL PROVINCE OF NORTHWEST MEXICO: A.I.M.E. CONFERENCE MAY 5-7, 1965, NEVADA BUREAU OF MINES, REPORT 13, P. 63-92.

  • Deposit

    HALL, C.W., 1926, GEOLOGY OF THE YOQUIVO, CHIHUAHUA, MINING DISTRICT: AMERICAN INSTITUTE MINING ENGINEERS, TRANSACTIONS, V. 74, P. 223-237.

  • Production

    GONZALEZ, 1956; BUCHANAN, 1981.

General comments

Subject category Comment text
Deposit ORE SHOOTS HAVE HORIZONTAL TO VERTICAL RATIO OF 2:1. VERTICAL EXTENT OF ORE: 295 M. MAX. VEIN WIDTH: 12 M. POST-ORE CALCITE IN VEINS. DATA ON INDIVIDUAL VEINS; SAN ANTONIO VEIN: 1.2-12.0 M WIDE. N 14 E, 75 SE. QUARTZ + SULFIDES OF ZN, PB AND AG ASSOC. WITH CALCITE, FE OXIDES AND CHALCEDONY. LA ESPERANZA VEIN: MAX. WIDTH 5 M AT INTERSECTION WITH SAN FRANCISCO VEIN. SAME ATTITUDE AS SAN ANTONIO VEIN. CONTAINS BRECCIA FRAGMENTS OF WALL ROCKS AND SULFIDES OF CU, AG, ZN AND PB IN SILICIFIED MATRIX. AU VALUES ASSOC. WITH AG SULFIDES. PARTIALLY OXIDIZED. C.Q. Y DON CARLOS VEINS: INDEPENDENT SYSTEM, N 35 E, 75 SE. VARIABLE WIDTH, MAX. 3.5 M. HOSTED IN AUGITE ANDESITE. PRIMARY SULFIDES OF AG, PB AND ZN + NATIVE AU IN QUARTZ. NUMEROUS ALTERED FRAGMENTS OF ANDESITE, LOCALLY PULVERIZED BY POST-MIN. MOVEMENT. VEINS OCCUPY FRACTURE SYSTEM LIMITED BY MAJOR FAULT RUNNING N 55 W, 65 NE.

Reporter information

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

Maps centered on this site