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Golfo De Oro

Past Producer in Sonora, Mexico with commodities Gold, Silver, Lead, Zinc
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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. Mineral occurrence model information
  9. Host and associated rocks
  10. Nearby scientific data
  11. Economic information about the deposit and operations
  12. Mining district
  13. Reserves and resources
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10098724
MRDS ID MX00073
Record type Site
Current site name Golfo De Oro
Related records 10255374

Geographic coordinates

Geographic coordinates: -109.6173, 28.6169 (WGS84)
Relative position PERIPHERAL TO SAN ANTONIO DEL COBRE BRECCIA PIPE.

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 Tertiary
Zinc Critical Tertiary

Materials information

Materials Type of material
Galena Ore
Pyrite Ore
Pyrrhotite Ore
Sphalerite Ore
Tetrahedrite Ore

Alteration

  • (Local) Silicification

Analytical data

Result 4.5 G/T AU, 10 G/T AG.

Mineral occurrence model information

Model code 65
USGS model code 18g
Deposit model name Skarn wollastonite

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Dacite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Shale

Nearby scientific data

(1) -109.6173, 28.6169
ListMap

Economic information

Economic information about the deposit and operations

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

Mining district

District name Tecoripa

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 5000000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.5 g/mt Gold Major 1985
    Silver Ag 10 g/mt Silver Major 1985

Reference information

Bibliographic references

  • Deposit

    BONHAM, H.F., JR., 1985, CHARACTERISTICS OF BULK-MINABLE GOLD-SILVER DEPOSITS IN CORDILLERAN AND ISLAND-ARC SETTINGS IN TOOKER, E.W. (ED.), GEOLOGIC CHARACTERISTICS OF SEDIMENT- AND VOLCANIC-HOSTED DISSEMINATED GOLD DEPOSITS--SEARCH FOR AN OCCURRENCE MODEL: USGS BULLETIN 1646, P. 71-77

General comments

Subject category Comment text
Deposit SKARN CONTAINING UP TO 50% DISSEMINATED SULFIDES OCCURS IN DISTAL ZONE OF HYDROTHERMAL ALTERATION PERIPHERAL TO SAN ANTONIO DEL COBRE BRECCIA PIPE. SILICIFICATION AND BRECCIATION OCCURS OVER 2.5 SQ. KM AREA. ORE MAINLY PYRITE AND PYRRHOTITE, WITH MINOR TETRAHEDRITE, GALENA, AND SPHALERITE. DEVELOPED ORE IS IN OXIDIZED ZONE.

Reporter information

Type Date Name Affiliation Comment
Reporter 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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