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Cienpies

Past Producer in Baja California, Mexico with commodity Tungsten
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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. Economic information about the deposit and operations
  11. Mining district
  12. Production statistics
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10104177
MRDS ID MX00238
Record type Site
Current site name Cienpies
Related records 10230445

Geographic coordinates

Geographic coordinates: -116.06749, 32.13342 (WGS84)
Relative position 7 KM NE OF ROSA DE CASTILLA.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

San Diego(quadrangle 1:250,000 scale)

Geographic areas

Country State
Mexico Baja California

Comments on the location information

  • ESTIMATE TO WITHIN 1 KM

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore
Garnet Gangue

Analytical data

Result AVG. WO3 CONTENT: 0.4

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 > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Skarn (Tactite)

Nearby scientific data

(1) -116.06749, 32.13342
ListMap

Economic information

Comments on the geologic information

  • TUNGSTEN DEPOSIT IN SMALL PENDANT OF TACTITE AND HORNFELS IN QUARTZ DIORITE. PENDANT IS 22 M LONG AND HAS A MAX. WIDTH OF 18 M. WEATHERED ROCK IS DEEPLY STAINED WITH MN-OXIDES. ANOTHER PENDANT A FEW M EAST IS 18 M LONG AND 2-3 M WIDE. NO REMNANTS OF MARBLE FOUND.

Economic information about the deposit and operations

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

Mining district

District name Los Gavilanes

Production statistics

  • Year 1943
    Material ORE W
    Accuracy Estimate
    Description Ap_Grade: ^Ave. 0.55% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    WO3 Ore Tungsten Tungsten 1wt-pct

Comments on the production information

  • 15-20 TONS OF SAME GRADE ORE PILED ON DUMPS IN 1943. SORTED ORE COMPRISED ABOUT 2/3 OF MINED ROCK.

Reserves and resources

  • Type In-situ
    Estimate year 1945
    Commodity Subtype Grade units Group Importance Year
    Tungsten Wo3 0.3 wt-pct Tungsten Major 1945

Comments on the reserve resource information

  • AVE. MINING WIDTH: 4.0 M

Comments on the workings information

  • TWO PITS 1.5 M DEEP.

Reference information

Bibliographic references

  • Deposit

    FRIES, CARL AND SCHMITTER, EDUARDO, 1945, SCHEELITE DEPOSITS IN THE NORTHERN PART OF SIERRA DE JUAREZ NORTHERN TERRITORY LOWER CALIFORNIA, MEXICO: USGS BULL 946-C, P. 73-101

  • Production

    FRIES AND SCHMITTER, 1945, P. 83.

General comments

Subject category Comment text
Deposit DISSEMINATED SCHEELITE IN GARNET-AMPHIBOLE TACTITE.

Reporter information

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

Beyond USGS

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

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