1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Clark Group

Past Producer in Pima county in Arizona, United States with commodities Gold, Silver, Copper
Map
XML
JSON
KML
B
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. Host and associated rocks
  8. Nearby scientific data
  9. Ore body information
  10. Controls for ore emplacement
  11. Economic information about the deposit and operations
  12. Mining district
  13. Links to other databases
  14. Bibliographic references
  15. General comments
  16. Reporter information

Geologic information

Identification information

Deposit ID 10039558
MRDS ID M050279
Record type Site
Current site name Clark Group
Related records 10137858

Geographic coordinates

Geographic coordinates: -111.27875, 31.90595 (WGS84)
Elevation 1189
Relative position 38 MILES SW OF TUCSON

Site location context

Political divisions (FIPS codes)

Pima(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Stevens Mountain(quadrangle 1:24,000 scale)

Sells(quadrangle 1:100,000 scale)

Nogales(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Brawley Wash(hydrologic unit)

Santa Cruz(hydrologic accounting unit)

Middle Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

ST(Federal land areas administered by ST)

Geographic areas

Country State County
United States Arizona Pima

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 17S 10E 36 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Primary
Copper Primary

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Granite
    Rock unit name Granite-Granite
    Rock description Granite-Granite
    Stratigraphic age (youngest) Late Permian
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Sedimentary Rock > Carbonate > Limestone

Nearby scientific data

(1) -111.27875, 31.90595
ListMap

Economic information

Ore body information

  • General form TABULAR

Controls for ore emplacement

  • Permiable Shear Zone

Comments on the geologic information

  • GEOL.DESC: AGE OF MINERALIZATION ASSUMED TO BE THAT OF THE GRANITE.

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1920

Mining district

District name Papago District

Comments on the production information

  • UNKNOWN PRODUCTION.

Reference information

Bibliographic references

  • Deposit

    RANSOME, F.L., 1921, USGS BULL. 725 J.

  • Deposit

    WILSON, ED., ET AL.,1960, ARIZ. BU. MINES GEO. MAP PIMA COUNTY.

  • Deposit

    1920 RECON F.L. RANSOM USGS BULL. 725 J

General comments

Subject category Comment text
Deposit PHYSICAL DESCRIPTION NOT AVAILABLE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1972 Keith, William J. 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.