San Jose

Past Producer in Sonora, Mexico with commodity Antimony
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Mineral occurrence model information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Controls for ore emplacement
  10. Economic information about the deposit and operations
  11. Mining district
  12. Workings at the site
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10049196
MRDS ID MX00449
Record type Site
Current site name San Jose
Related records 10206216

Geographic coordinates

Geographic coordinates: -112.59461, 30.77182 (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 Sonora

Comments on the location information

  • ESTIMATE TO WITHIN 0.5 KM.

Commodities

Commodity Importance
Antimony Critical Primary

Mineral occurrence model information

Model code 180
USGS model code 27d
Deposit model name Simple Sb (veins, pods, etc)

Host and associated rocks

  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
    Rock unit name Monos Formation
    Rock description Monos Formation
    Stratigraphic age (youngest) Late Jurassic

Nearby scientific data

(1) -112.59461, 30.77182

Economic information

Controls for ore emplacement

  • Intersections Of Steeply Dipping Splays Of Veins.

Comments on the geologic information

  • SANDSTONE BEDS CONTAINING VEINS ARE SEPARATED BY BEDS OF FOSSILIFEROUS LIMESTONE. PALEONTOLOGICAL EVIDENCE SUGGESTS TRIASSIC AGE. QUARTZ PORPHYRY CROPS OUT N AND W OF THE MINE.

Economic information about the deposit and operations

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

Mining district

District name El Antimonio/San Francisco

Workings at the site

  • Type of workings Underground
    Overall depth 18M

Comments on the workings information

  • MAX. DEPTH OF WORKINGS WAS 18 M. GREATEST ACCESSIBLE DEPTH ONLY 9 M IN 1943. DEPTH TO WATER TABLE ESTIMATED TO BE 5-10 M BELOW DEEPEST WORKINGS.

Comments on development

  • IN 1943, A FEW GAMBUSINOS MINING ON A SMALL SCALE WERE PRODUCING LESS THAN 1 TON OF ORE PER WEEK.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SB-BEARING VEINS: AVE. LENGTH 75 M, AVE. STRIKE N 35 E. VEINS ARE SUBPARALLEL IN STRIKE TO SEDIMENTARY HOST ROCKS, BUT THEY DIP STEEPLY NW AND SE, INTERSECTING BEDDING PLANES AT LOW ANGLES. BEST ORE FOUND ON INTERSECTIONS OF STEEPLY DIPPING VEINS THAT DIVERGE LATERALLY AND DOWN DIP. HIGH-GRADE ORE FILLS ENTIRE SPACE BETWEEN VEIN WALLS LESS THAN 2-5 M APART. ORE FOUND ONLY ALONG THE WALLS OF WIDER VEINS.
Deposit MINE WAS NEVER A LARGE PRODUCER. ; INFO.SRC : 1 PUB

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1987 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.