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  3. Mineral Resource Data System (MRDS)

La Bolivia

Past Producer in Sonora, Mexico with commodity Antimony
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Production statistics
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10049187
MRDS ID MX00439
Record type Site
Current site name La Bolivia
Related records 10255279

Geographic coordinates

Geographic coordinates: -112.59072, 30.74321 (WGS84)

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 0.5 KM.

Commodities

Commodity Importance
Antimony Critical Primary

Mineral occurrence model information

Model code 180
USGS model code 27d
Deposit model name Simple Sb (veins, pods, etc)

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Monos Formation
    Rock description Monos Formation
    Stratigraphic age (youngest) Late Jurassic
    Stratigraphic age (youngest) Late Triassic

Nearby scientific data

(1) -112.59072, 30.74321
ListMap

Economic information

Ore body information

  • Strike 1>N 70 W, 2>N 20-30 W
    Dip 1>50 S, 2>50-75 W

Controls for ore emplacement

  • Minor Amounts Of Ore Produced From More Flatly Dipping Parts Of Veins. Variations In Dip Are So Small That Little Concentration Of Ore Has Occurred.

Economic information about the deposit and operations

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

Mining district

District name El Antimonio/La Montana

Production statistics

  • Year 1943
    Period -1943
    Material ORE SB
    Accuracy Estimate
    Description Cp_Grade: ^40% Sb
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Antimony Antimony 40wt-pct

Comments on the production information

  • TOTAL PAST PRODUCTION AS OF 1943 ESTIMATED AT BETWEEN 100 TO 200 METRIC TONS OF SHIPPING ORE. SHIPPING ORE CONSISTED OF HAND-SORTED MATERIAL GRADING NOT LESS THAN 40% SB.

Workings at the site

  • Type of workings Underground
    Overall depth 15M

Comments on the workings information

  • NONE OF THE WORKINGS MORE THAN 10 M DEEP EXCEPT FOR ONE 15 M SHAFT SUNK ON MIDDLE VEIN, FROM WHICH LITTLE OR NO ORE WAS PRODUCED.

Comments on development

  • NORTH AND SOUTH VEINS WERE BEING MINED BY FOUR GAMBUSINOS IN JUNE 1943.

Reference information

Bibliographic references

  • Deposit

    WHITE, D.E. AND GUIZA, REINALDO, 1949, ANTIMONY DEPOSITS OF EL ANTIMONIO DISTRICT, SONORA, MEXICO: U.S. GEOLOGICAL SURVEY BULLETIN 962-B, P.98, PLATE 15

  • Production

    WHITE AND GUIZA, 1949.

General comments

Subject category Comment text
Deposit THREE WIDELY SEPARATED VEINS AVERAGING 20 CM IN WIDTH AND LESS THAN 50 M IN LENGTH. NORTH VEIN STRIKES N 70 W AND DIPS 50 S. MIDDLE AND SOUTH VEINS STRIKE N 20-30 W AND DIP 50-75 W, SUBPARALLEL TO BEDDING.

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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