La Otilia

Past Producer in Baja California, Mexico with commodity Gold
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. Ore body information
  10. Economic information about the deposit and operations
  11. Mining district
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10049294
MRDS ID MX00576
Record type Site
Current site name La Otilia

Geographic coordinates

Geographic coordinates: -113.50072, 28.1669 (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 Baja California

Comments on the location information

  • ESTIMATED TO NEAREST 1 MINUTE.

Commodities

Commodity Importance
Gold Primary

Analytical data

Result AVE: 0.6 OZ/TON AU.

Mineral occurrence model information

Model code 273
USGS model code 36a
Deposit model name Low-sulfide Au-quartz vein
Mark3 model number 27

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock > Slate
  • Host or associated Host
    Rock type Metamorphic Rock > Schist

Nearby scientific data

(1) -113.50072, 28.1669

Economic information

Ore body information

  • Strike EW
    Dip 70

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1883

Mining district

District name Calmalli

Comments on development

  • MAIN ACTIVITY: 1891-1904.

Reference information

Bibliographic references

  • Deposit

    WISSER, E., 1954, GEOLOGY AND ORE DEPOSITS OF BAJA CALIFORNIA, MEXICO: ECONOMIC GEOLOGY, V. 49, NO. 1, P. 44-76

General comments

Subject category Comment text
Deposit E-W TRENDING VEIN UP TO 7 FT WIDE. RIBBON STRUCTURE CONSISTING OF LAYERS OF SLATE ALTERNATING WITH AURIFEROUS QUARTZ.

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.