San Juanico

Occurrence in Baja California Sur, Mexico with commodity Manganese
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. Links to other databases
  12. Bibliographic references
  13. General comments
  14. Reporter information

Geologic information

Identification information

Deposit ID 10049269
MRDS ID MX00544
Record type Site
Current site name San Juanico

Geographic coordinates

Geographic coordinates: -111.53399, 26.4503 (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 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
Psilomelane Ore
Calcite Gangue

Mineral occurrence model information

Model code 242
USGS model code 34b
Deposit model name Sedimentary Mn

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.53399, 26.4503

Economic information

Comments on the geologic information

  • FLAT-LYING FOSSILIFEROUS GRAY SANDY LIMESTONE OVERLIES REDDISH CONGLOMERATIC SANDSTONE. FOSSILS CONSIST OF PECTENS AND MEDIUM SIZED OYSTERS OF UNKNOWN AGE.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

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

General comments

Subject category Comment text
Deposit SCATTERED VEINLETS, POCKETS, AND IRREGULAR MASSES OF BOTRYOIDAL PSILOMELANE ASSOCIATED WITH CALCITE VEINLETS OCCUR IN AN AREA ABOUT 100 M LONG AND 3-6 M WIDE. VEINLETS RANGE FROM 1 MM TO 10-15 CM IN WIDTH AND GENERALLY NOT TRACEABLE FOR MORE THAN A FEW METERS.

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.