North Star

Past Producer in Yuma county in Arizona, United States with commodities Gold, Silver
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. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Land status
  11. Ownership information
  12. Reserves and resources
  13. Links to other databases
  14. Bibliographic references
  15. Reporter information

Geologic information

Identification information

Deposit ID 10064557
MRDS ID TC38959
Record type Site
Current site name North Star
Alternate or previous names Northstar

Geographic coordinates

Geographic coordinates: -113.97022, 33.29729 (WGS84)

Site location context

Political divisions (FIPS codes)

Yuma(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Kofa Butte(quadrangle 1:24,000 scale)

Little Horn Mountains(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Lower Gila(hydrologic unit)

Lower Gila(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Yuma

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 001S 017W 36 NE OF SW Arizona

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Gold Ore

Nearby scientific data

(1) -113.97022, 33.29729

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Significant No

Land status

Ownership category
Area name Kofa National Wildlife Refuge

Ownership information

  • Type Operator
    Owner Caprock Energy Ltd. (1986, Vancouver, British Columbia).

Reserves and resources

  • Type In-situ
    Estimate year 1985
    Total resources 9000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 14.117 g/mt Gold Major 1985
  • Type Tailings
    Estimate year 1985
    Total resources 22000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 4.235 g/mt Gold Major 1985

Comments on development

  • 1984-1986: DEWATER UNDERGROUND WORKINGS, UNDERGROUND DRILLING AND SAMPLING.

Reference information

Bibliographic references

  • Deposit

    NIEMUTH, N.J.,1987, ARIZONA MINERAL DEVELOPMENT 1984-1986: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY 29, 46 P

  • Other Database

    CIMRI

  • Reserve-Resource

    NIEMUTH, 1987.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-1993 Orris, Greta J. U.S. Geological Survey
Updater 01-FEB-1994 Orris, Greta J. U.S. Geological Survey

Beyond USGS

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

External references

Authoritative Arizona resources

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