Quitovac

Past Producer in Sonora, Mexico with commodities Gold, Iron, Lead
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. Economic information about the deposit and operations
  11. Mining district
  12. Ownership information
  13. Workings at the site
  14. Links to other databases
  15. Bibliographic references
  16. General comments
  17. Reporter information

Geologic information

Identification information

Deposit ID 10049069
MRDS ID MX00288
Record type Site
Current site name Quitovac
Alternate or previous names La Choya
Related records 10229992, 10230047

Geographic coordinates

Geographic coordinates: -112.83406, 31.60845 (WGS84)
Location accuracy 5000(meters)
Relative position 40 KM S OF THE U.S. BORDER ALONG HIGHWAY 2 FROM SONOITA TO CABORCA. APPROXIMATELY 30 KM N OF TAJITOS.

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Lukeville(quadrangle 1:100,000 scale)

Lukeville(quadrangle 1:250,000 scale)

Geographic areas

Country State
Mexico Sonora

Comments on the location information

  • EASILY REACHED BY DIRT ROAD 6 KM W OF CABORCA-SONOYITA HIGHWAY, 60 KM S OF SONOYITA.; PREVIOUS QUAD DESIGNATION = H12-1 PUERTO PENASCO 1:250000

Commodities

Commodity Importance
Gold Primary
Iron Tertiary
Lead Tertiary

Materials information

Materials Type of material
Gold Ore
Iron Gangue
Quartz Gangue

Analytical data

Result 0.5 - 2.5 G/MT
Result LOCALLY UP TO 5.0 G/MT.

Mineral occurrence model information

Model code 281
USGS model code 37b
Deposit model name Gold on flat faults

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite
  • Host or associated Host
    Rock type Sedimentary Rock > Clastic Sedimentary Rock > Sandstone
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -112.83406, 31.60845

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 Desierto De Altar/Sonoyita

Ownership information

  • Type Operator
    Owner Anaconda Co.
    First year 1984

Workings at the site

  • Type of workings Surface/Underground
    Area 0.14HA
    Length 243.84M
    Overall depth 76.2M
    Overall length 609.6M
    Overall width 243.84M

Comments on the workings information

  • SMALL PIT AND DECLINE IN METASEDIMENTARY ROCKS. BULLDOZER TRENCHES IN SERICITIZED GRANITE. OPEN PIT 100 M LONG, 50 M WIDE. MATERIAL REMOVED AND CRUSHED TO FINE POWDER. FLOTATION PROCESSING TO EXTRACT GOLD.

Comments on development

  • AREA WAS THE SITE OF A SMALL GOLD OPERATION, AND IS SURROUNDED BY PLACER WORKINGS IN ADJACENT ALLUVIUM. DRILLING BY PENOLES OF 60 HOLES AVERAGING 300 FT DID NOT DETERMINE AN ECONOMICALLY FEASIBLE GOLD TARGET. GRADES CONCENTRATED IN FAULT ZONE.

Reference information

Bibliographic references

  • Deposit

    SILBERMAN, MILES, 1986, GOLD BELT MAP, NORTHWESTERN SONORA, MEXICO: UNPUBLISHED.

  • Deposit

    GILES, D.A., SILBERMAN, M.L., AND WENRICH, K.J., 1986, GNEISS-HOSTED GOLD DEPOSITS IN NORTHERN SONORA, MEXICO: WRITTEN COMMUNICATION.

  • Deposit

    SILBERMAN, M.L., 1987, REPORT ON RECONNAISSANCE OF GOLD PROSPECTS IN NORTHERN SONORA, MEXICO: UNPUB. USGS REPORT, 6 P.

  • Deposit

    STAUDE, 1990, PERSONAL VISIT AND SAMPLING.

General comments

Subject category Comment text
Deposit GOLD VALUES FROM 0.5 - 2.5 G/MT IN PARTS OF FLAT DIPPING SHEAR ZONE, 20 M WIDE, CONTAINING STOCKWORK OF QUARTZ VEINLETS BETWEEN PHYLLITES (H/WALL) AND METASANDSTONES (F/WALL). AU ASSOCIATED WITH MINOR IRON AND LEAD OXIDES. ON THE ADJOINING CHOYA CLAIM TO THE S, BULLDOZER TRNCHES MADE BY ANACONDA IN 1984 EXPOSED STOCKWORK OF IRREGULAR AU-BEARING QUARTZ VEINLETS OVER 75 BY 200 M AREA IN SERICITIZED GRANITE. DEPOSIT LIES IN THE FOOTWALL OF FLAT SHEAR STRUCTURE TRACEABLE FOR STRIKE LENGTH OF SEVERAL HUNDRED METERS. LOCAL SHOOTS CARRY UP TO 5.0 G/MT AU OVER 2 M WIDTH. HIGH GRADE GOLD ASSOCIATED WITH QUARTZ-SERICITE ALTERATION AND QUARTZ VEINLETS.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-JUL-87 Staude, John-Mark G. (Page, Norman J.) U.S. Geological Survey
Updater 01-JUN-88 Leonard, Kenneth R. U.S. Geological Survey
Updater 01-APR-91 Staude, John-Mark G. U.S. Geological Survey

Beyond USGS

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

Operator history (post-MRDS)

MRDS records operators as of each record's last update (≤ 2019). Some of the operators listed here have since changed hands or dissolved:

Curated by qvyshift.com from publicly-reported M&A activity (SEC filings, press releases, USGS Mineral Yearbooks). Not authoritative — verify against primary sources before relying on it. The MSHA panel above is the current authoritative source for actively-permitted mines.