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  3. Mineral Resource Data System (MRDS)

Olivia

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. Ore body information
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10049025
MRDS ID MX00233
Record type Site
Current site name Olivia
Related records 10182092

Geographic coordinates

Geographic coordinates: -115.95082, 32.16676 (WGS84)
Elevation 1500
Relative position 15 KM ENE 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

El Centro(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

Comments on the commodity information

  • LOW MO CONTENT

Materials information

Materials Type of material
Scheelite Ore
Diopside Gangue
Garnet Gangue

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 Associated
    Rock type Plutonic Rock > Pegmatite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -115.95082, 32.16676
ListMap

Economic information

Ore body information

  • Strike NE
    Dip 75 NW

Comments on the geologic information

  • ORE OCCURS NEAR SW END OF NARROW PENDANT, COMPOSED OF HORNFELS + TACTITE, IN QUARTZ DIORITE.

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 District

Production statistics

  • Year 1943
    Material ORE W
    Accuracy Estimate
    Description Ap_Grade: ^Ave. 1.33% Wo3
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Wo3 Ore Tungsten Tungsten 1wt-pct

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: 1.2 M

Comments on the workings information

  • TWO TRENCHES, SHORT ADITS, AND 14 M SHAFT. SHAFT IN BARREN COUNTRY ROCK.

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 THREE BEDS OF TACTITE IN SW PART OF PENDANT IN QUARTZ DIORITE. EACH IS ABOUT 20 M LONG AND EITHER PINCHES OUT OR IS CUT OFF BY DIORITE. PROBABLE REPLACEMENT OF THIN MARBLE BEDS. N SCHEELITE-BEARING ZONE 2 M WIDE. S SCHEELITE-BEARING ZONE 0.5 - 1.0 M WIDE.

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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