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  3. Mineral Resource Data System (MRDS)

San Ignacio

Past Producer in Chihuahua, Mexico with commodities Silver, Lead, Zinc, Copper, Gold
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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. Ore body information
  11. Controls for ore emplacement
  12. Economic information about the deposit and operations
  13. Mining district
  14. Workings at the site
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10049458
MRDS ID MX02144
Record type Site
Current site name San Ignacio
Related records 10133376

Geographic coordinates

Geographic coordinates: -106.31722, 30.59185 (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 Chihuahua

Comments on the location information

  • ESTIMATED TO NEAREST 15 SECONDS. NEAR THE KLONDYKE PROSPECT BUT NOT SHOWN ON SOC. GEOL. MEX. A.C., 1985.

Commodities

Commodity Importance
Silver Primary
Lead Primary
Zinc Critical Primary
Copper Secondary
Gold Secondary

Materials information

Materials Type of material
Argentite Ore
Cerargyrite Ore
Galena Ore
Pyrite Ore
Sphalerite Ore
Calcite Gangue
Hematite Gangue
Limonite Gangue
Quartz Gangue

Analytical data

Result 425 G/MT AG, 20.0% PB, 20.0% ZN, 3.0% FE, MINOR AU
Result 30% CU IN OXIDIZED ZONE.

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 > Dacite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone

Nearby scientific data

(1) -106.31722, 30.59185
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Economic information

Ore body information

  • Strike E-W
    Dip SUBVERTICAL
    Plunge 5-10
    Plunge direction S

Controls for ore emplacement

  • Fracture Controlled

Comments on the geologic information

  • PREDOMINANTLY SEDIMENTARY ROCKS OF MIOGEOSYNCLINAL TYPE, CUT BY DACITE PORPHYRY AND OVERLAIN BY BASALTS.

Economic information about the deposit and operations

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

Mining district

District name /Villa Ahumada

Workings at the site

  • Type of workings Underground
    Overall depth 150M

Comments on the workings information

  • VERTICAL SHAFT AT LEAST 150 M DEEP, WITH 10 LEVELS AT 15 M INTERVALS.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit OREBODIES PLUNGE 5-10 DEGREES S WITHIN E-W STRIKING, NEARLY VERTICAL VEINS. WIDTH: 0.6-1.2 M.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JAN-1988 Leonard, Kenneth R. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-1988 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-JAN-1991 Staude, John-Mark G. U.S. Geological Survey

Beyond USGS

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

Maps centered on this site