Coker

Occurrence in Sonora, Mexico with commodity Tungsten
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. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10049083
MRDS ID MX00305
Record type Site
Current site name Coker
Related records 10206279

Geographic coordinates

Geographic coordinates: -109.72702, 29.10022 (WGS84)
Relative position NEAR EL SAUCITO AND CHIQUIQUELITE, ABOUT 4 KM W OF THE YAQUI RIVER AND 34 KM N OF SOYOPA.

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

  • ESTIMATE TO WITHIN 1 KM

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore

Analytical data

Result UP TO 2.0 % WO3

Mineral occurrence model information

Model code 42
USGS model code 14a
Deposit model name W skarn

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Permian
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -109.72702, 29.10022

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1943
Discoverer James E. Coker

Mining district

District name /Tonichi

Comments on development

  • DEVELOPMENT DISCONTINUED AFTER FIRST FEW MONTHS OF 1944.

Reference information

Bibliographic references

  • Deposit

    WIESE, JOHN H., AND CARDENAS, SALVADOR, 1945, TUNGSTEN DEPOSITS OF THE SOUTHERN PART OF SONORA, MEXICO: USGS BULL 946, P. 103-130

General comments

Subject category Comment text
Deposit MED. TO F. GRAINED SCHEELITE ERRATICALLY DISSEMINATED IN DISCONTINUOUS LENTICULAR BODIES OF TACTITE FOR A DISTANCE OF SEVERAL HUNDRED METERS ALONG GRANITE/LIMESTONE CONTACT.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1987 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey

Beyond USGS

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