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  3. Mineral Resource Data System (MRDS)

Santa Amalia

Past Producer in Sonora, Mexico with commodities Gold, Silver
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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. Geologic structures
  11. Ore body information
  12. Economic information about the deposit and operations
  13. Mining district
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10048989
MRDS ID MX00193
Record type Site
Current site name Santa Amalia
Related records 10206186

Geographic coordinates

Geographic coordinates: -109.88257, 28.828 (WGS84)
Relative position 25 KM NE OF TECORIPA AND 10 KM W OF TRES HUEVOS (SIMILAR DEPOSIT).

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 1 KM

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Hematite Ore

Mineral occurrence model information

Model code 85
USGS model code 22c
Deposit model name Polymetallic veins
Mark3 model number 46

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite
  • Host or associated Host
    Rock type Plutonic Rock > Mafic Intrusive Rock

Nearby scientific data

(1) -109.88257, 28.828
ListMap

Economic information

Geologic structures

Type of structure Local
Structure description Numerous Normal Faults

Ore body information

  • Strike N 40 W
    Dip 44 NE

Economic information about the deposit and operations

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

Mining district

District name Tecoripa/Mazatan

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

General comments

Subject category Comment text
Deposit VEINS OCCUR NEAR TRI-JUR SHALES, SANDSTONES, AND SILTY LIMESTONE OVERLYING PALEOZOIC SEDIMENTS. LCRET GRANITIC ROCKS 1 KM TO THE SOUTH.

Reporter information

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

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