Tajitos

Producer in Sonora, Mexico with commodities Gold, Silver, Lead, Zinc, Copper, Molybdenum, Arsenic, Antimony
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. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10106942
MRDS ID MX00173
Record type Site
Current site name Tajitos
Alternate or previous names Sierra De Tajitos
Related records 10208576

Geographic coordinates

Geographic coordinates: -112.37293, 30.97097 (WGS84)
Relative position 40 KM NW OF CABORCA ALONG HIGHWAY 15.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Sonora

Comments on the location information

  • ESTIMATED TO NEAREST 5 SECONDS.

Commodities

Commodity Importance
Gold Primary
Silver Secondary
Lead Tertiary
Zinc Critical Tertiary
Copper Tertiary
Molybdenum Tertiary
Arsenic Critical Tertiary
Antimony Critical Tertiary

Comments on the commodity information

  • AU:AG RATIO IS 1.45 TO 15.0 PPM; 15.0 PPM ARSENIC, ANTIMONY; PB > ZN >CU, MO UP TO 10 PPM.

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Gold Ore
Limonite Gangue
Pyrite Gangue
Quartz Gangue

Analytical data

Result AU: 14 G/TON, AG: 80 G/TON
Result HIGH PB CONTENT
Result PB>ZN>CU
Result UP TO 10 PPM MO.

Mineral occurrence model information

Model code 151
USGS model code 25d
Deposit model name Epithermal vein, Sado
Mark3 model number 28

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 Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite

Nearby scientific data

(1) -112.37293, 30.97097

Economic information

Ore body information

  • Thickness 3M
    Length 200M

Comments on the geologic information

  • RHYOLITIC PORPHYRY DOME OF JURASSIC AGE INTRUDED INTO METASANDSTONE.

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Caborca

Workings at the site

  • Type of workings Unknown
    Overall depth 50M

Comments on the workings information

  • MOSTLY OPEN PIT MINES AND OPENINGS ALONG VEINS. WORKINGS ARE 20-200 M IN LENGTH ALONG STRIKE OF THE VEINS.

Comments on development

  • PRODUCTION UNDERWAY: 1985-86 (LISTED AS DISSEMINATED GOLD DEPOSIT).

Reference information

Bibliographic references

  • Deposit

    COX, DENNIS P., SINGER, DONALD, A., 1986, MINERAL DEPOSIT MODELS: U.S. GEOLICAL SURVEY BULLETIN 1693, 397 P.

  • Deposit

    PANCZNER, WILLIAM D., 1987, MINERALS OF MEXICO: VAN NOSTRAND REINHOLD COMPANY, NEW YORK, 459 P.

  • Deposit

    PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.

  • Deposit

    SILBERMAN, MILES, 1987, PERSONAL COMMUN. ON ANALYSES.

  • Deposit

    GILES, D.A., SILBERMAN, M.L., AND WENRICH, K.J., 1986, GNEISS-HOSTED GOLD DEPOSITS IN NORTHERN SONORA, MEXICO: WRITTEN COMMUNICATION.

  • Deposit

    SILBERMAN, M.L., 1986, GOLD BELT MAP OF NW SONORA: UNPUBLISHED MAP.

  • Deposit

    ROLDAN-QUINTANA, J., 1979, BRIEF SUMMARY OF THE MINERAL DEPOSITS IN THE NORTHERN PART OF THE STATE OF SONORA, MEXICO IN ANDERSON, T.H., AND ROLDAN-QUINTANA, J., (EDS.), 1979, GUIDEBOOK, FIELD TRIP 27; GEOLOGY OF NORTHERN SONORA: U.N.A.M.- UNIV. PITTSBURG, P. 70.

  • Deposit

    GUILD, P.W., 1981, PRELIMINARY METALLOGENIC MAP OF NORTH AMERICA: USGS CIRCULAR 858-A,B.

  • Deposit

    SALAS, G.P., 1975, CARTA Y PROVINCIAS METALOGENETICAS DE LA REPUBLICA MEXICANA: CONSEJO DE RECURSOS MINERALES PUBLICACION 21 E, P. 186-189.

General comments

Subject category Comment text
Deposit EPITHERMAL QUARTZ VEINS IN N60W TRENDING VEIN SYSTEM HOSTED IN METASANDSTONE AND RHYOLITE. VEINS RANGE IN THICKNESS FROM 20 CM TO 2 M AND IN LENGTH FROM 50 TO 100 M AT THE SURFACE. FINELY DISSEMINATED PYRITE AND TRACE MALACHITE ASSOCIATED WITH THE MINERALIZATION.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-1988 Leonard, Kenneth R. U.S. Geological Survey

Beyond USGS

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