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Palmas

Past Producer in Baja California Sur, Mexico with commodity Manganese
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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. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10049265
MRDS ID MX00539
Record type Site
Current site name Palmas

Geographic coordinates

Geographic coordinates: -112.38402, 27.38359 (WGS84)
Relative position 4 KM N OF LUCIFER MINE.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

Geographic areas

Country State
Mexico Baja California Sur

Comments on the location information

  • ESTIMATED TO WITHIN 1 KM.

Commodities

Commodity Importance
Manganese Critical Primary

Materials information

Materials Type of material
Gypsum Gangue

Mineral occurrence model information

Model code 97
USGS model code 24c
Deposit model name Volcanogenic Mn

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Conglomerate
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Pyroclastic Rock > Tuff
    Rock unit name Boleo Formation
    Rock description Boleo Formation

Nearby scientific data

(1) -112.38402, 27.38359
ListMap

Economic information

Economic information about the deposit and operations

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

Production statistics

  • Year 1943
    Period -1943
    Material ORE MN
    Accuracy Estimate
    Description Cp_Grade: ^45%(?) Mn
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Major Ore Manganese Manganese 45wt-pct

Comments on the workings information

  • OPEN-CUTS, SHORT ADITS AND A FEW SMALL STOPES.

Reference information

Bibliographic references

  • Deposit

    TRASK, P.D. AND RODRIGUEZ C., J. JR., 1948, MANGANESE DEPOSITS OF MEXICO: U.S.G.S. BULLETIN 954-F, P. 228-238, 293-295, TABLE 17

  • Production

    TRASK AND RODRIGUEZ, 1948.

General comments

Subject category Comment text
Deposit POCKETS, VEINLETS, OR IRREGULAR MASSES OF MN OXIDES AT SCATTERED LOCALITIES IN TWO HORIZONS IN TUFFS AND TUFFACEOUS CONGLOMERATES OF THE BOLEO FM. MOST ORE BODIES LESS THAN 1 M THICK. AT ONE LOCATION, A 1-METER LAYER OF MN ORE EXTENDS SEVERAL METERS INTO UNDERLYING GYPSUM BED.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-MAY-1988 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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