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Los Cinco Hermanos South

Occurrence 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. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10049206
MRDS ID MX00463
Record type Site
Current site name Los Cinco Hermanos South
Related records 10255322

Geographic coordinates

Geographic coordinates: -115.90888, 32.23008 (WGS84)
Relative position MARBLE-TACTITE BED AT SOUTH END OF LOS CINCO HERMANOS CLAIM, ABOUT 180 METERS S OF INCLINE SHAFT.

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 1.0 KM.

Commodities

Commodity Importance
Tungsten Critical Primary

Materials information

Materials Type of material
Scheelite Ore

Analytical data

Result SMALL AMOUNT OF ORE AVERAGED 1.0% 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 > Mafic Intrusive Rock > Diorite
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Marble

Nearby scientific data

(1) -115.90888, 32.23008
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Economic information

Ore body information

  • Strike N
    Dip 65 W

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Sierra De Juarez/Cerro El Topo

Comments on the workings information

  • THREE SMALL TRENCHES ACROSS SCHEELITE-BEARING TACTITE ZONE.

Reference information

Bibliographic references

  • Deposit

    FRIES, CARL, JR., AND SCHMITTER, EDUARDO, 1945, SCHEELITE DEPOSITS IN THE NORTHERN PART OF THE SIERRA DE JUAREZ, NORTHERN TERRITORY, LOWER CALIFORNIA, MEXICO: U.S. GEOLOGICAL SURVEY BULLETIN 946-C, P. 99-100, PLATE 26

General comments

Subject category Comment text
Deposit MARBLE BED, 225 M LONG AND 10 M WIDE, STRIKING N WITH 65 W DIP. MARBLE INTRUDED ALONG EASTERN MARGIN AND TRUNCATED AT BOTH BY QUARTZ DIORITE. ZONE OF SCHEELITE-BEARING TACTITE AT SOUTH END OF MARBLE CONTAINED ONE SMALL POCKET OF ORE FROM WHICH 8-10 TONS OF MATERIAL AVERAGING 1.0% WO3 WAS SORTED OUT. ONLY TRACES OF SCHEELITE REMAIN IN PLACE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-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.

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