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Ventana Mine Group

Producer in Pima county in Arizona, United States with commodities Copper, Silver, Gold, Lead, Zinc, Manganese
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Materials information
  8. Host and associated rocks
  9. Nearby scientific data
  10. Economic information about the deposit and operations
  11. Production statistics
  12. Links to other databases
  13. Bibliographic references
  14. Reporter information

Geologic information

Identification information

Deposit ID 10026873
MRDS ID M000692
Record type Site
Current site name Ventana Mine Group
Related records 10113542

Geographic coordinates

Geographic coordinates: -111.66292, 31.78095 (WGS84)
Elevation 991
Relative position 4 MILES W OF BABOQUIVARI PEAK, 15050304

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Chiuli Shaik(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Simon Wash(hydrologic unit)

Rio Sonoyta(hydrologic accounting unit)

Sonora(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

BIA(Federal land areas administered by BIA)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 019S 007E 18 Arizona

Comments on the location information

  • LOCATION IS PROTRACTED. PAPAGO INDIAN RESERVATION

Commodities

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

Materials information

Materials Type of material
Quartz Gangue

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Stratigraphic age (youngest) Late Cretaceous
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Metasedimentary Rock
  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic)

Nearby scientific data

(1) -111.66292, 31.78095
ListMap

Economic information

Comments on the geologic information

  • CRETACEOUS SEDIMENTS (CONGLOMERATE, GRAYWACKE, SHALE, ARKOSE, ANDESITE FLOWS, BRECCIAS, RHYOLITE TUFF)

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1900
Year of last production 1972

Production statistics

  • Year 1954
    Period 1900 - 1954
    Accuracy Estimate
    Description Cp_Grade: ^1.3 % Cu, 2 Oz Ag/Ton, 0.7 Oz Au/Ton
    Importance Item Commodity Group Amount recovered Grade Recovery percentage
    Ore Gold Gold 20g/mt
    Ore Silver Silver 56g/mt
    Ore Copper Copper 1wt-pct

Comments on the workings information

  • LOCATED IN EARLY 1900'S BUT WORKED SPORADICALLY TO 1972

Comments on development

  • OPERATORS INCLUDED ROMED, INC., ARIZONA MINING CO

Reference information

Bibliographic references

  • Deposit

    KEITH, S. B., 1974 , INDEX OF MINING PROPERTIES IN PIMA COUNTY, ARIZONA: ARIZONA BUREAU OF MINES BULLETIN 189 , P. 108

  • Production

    ABM BULLETIN 189 , P. 110 .

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-79 Johnson, Kris H. (Creasey, S.C.) 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

Authoritative Arizona resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.