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  3. Mineral Resource Data System (MRDS)

Santa Rosalia

Past Producer in Sonora, Mexico with commodities Gold, Silver, Lead, Copper, Uranium
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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. Alteration
  8. Host and associated rocks
  9. Nearby scientific data
  10. Geologic structures
  11. Ore body information
  12. Controls for ore emplacement
  13. Economic information about the deposit and operations
  14. Mining district
  15. Reserves and resources
  16. Links to other databases
  17. Bibliographic references
  18. General comments
  19. Reporter information

Geologic information

Identification information

Deposit ID 10048990
MRDS ID MX00194
Record type Site
Current site name Santa Rosalia
Related records 10206315

Geographic coordinates

Geographic coordinates: -110.31316, 30.4085 (WGS84)
Relative position 10 KM SE OF KLONDIKE (SIMILAR MINE) AND LAS CHISPAS (30 KM SE), 150 KM N OF HERMOSILLO.

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

Commodities

Commodity Importance
Gold Primary
Silver Primary
Lead Secondary
Copper Secondary
Uranium Tertiary

Materials information

Materials Type of material
Chalcopyrite Ore
Galena Ore
Sphalerite Ore
Chlorite Gangue
Hematite Gangue
Pyrite Gangue
Quartz Gangue
Sericite Gangue
Tourmaline Gangue

Alteration

  • (Local) Phyllic

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Porphyry > Lamprophyre
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Latite

Nearby scientific data

(1) -110.31316, 30.4085
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Caldera(?)

Ore body information

  • Strike EW
    Dip 72 S

Controls for ore emplacement

  • Fracture Controlled

Comments on the geologic information

  • COUNTRY ROCK: TERT PYROCLASTICS AND ANDESITES; LOCALLY INTERCALATED WITH AGGLOMERATES AND LATITES.

Economic information about the deposit and operations

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

Mining district

District name Cananea/Arizpe

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 58000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 10 g/mt Gold Major 1985
    Silver Ag 300 g/mt Silver Major 1985

Comments on the reserve resource information

  • ESTIMATE TAKEN FROM MAP AND TABLE, GRADES ARE UNCERTAIN.

Reference information

Bibliographic references

  • Deposit

    PEREZ SEGURA, EFREN, 1985, CARTA METALOGENETICA DE SONORA 1:250000 UNA INTERPRETACION DE LA METALOGENIA DE SONORA: UNIV. OF SONORA, DEPT. OF GEOL., HERMOSILLO, MEXICO, 66 P.

  • Deposit

    MARQUINA MARTINEZ, O.E., 1983, ALGUNAS EVIDENCIAS URANIFERAS EN ROCAS VOLCANICAS FELSICAS EN LA PORCION NORTE-CENTRAL DEL ESTADO DE SONORA: GEOMIMET, V. 3, NUM. 123, P. 63-74.

General comments

Subject category Comment text
Deposit URANIUM MINERALS IN FRACTURE ZONES AND IN LOCAL, DISCONTINUOUS CHALCEDONY VEINLETS. ASSOCIATED WITH GALENA, CHALCOPYRITE, AND SPHALERITE. OREBODY FORMS ELLIPTICAL CHIMNEY IN ALTERED LATITE PORPHYRY, CROSSCUT BY DISCONTINUOUS LAMPROPHYRE DIKES. AREA FORMERLY MINED FOR PRECIOUS METAL CONTENT. PEREZ S. REPORTS AN EW STRIKING, 72 S DIPPING EPITHERMAL PRECIOUS METAL + BASE METAL VEIN FOR THIS SITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-1987 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-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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