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  3. Mineral Resource Data System (MRDS)

U.S. Mine

Past Producer in Maricopa county in Arizona, United States with commodities Gold, Silver
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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. Ore body information
  11. Economic information about the deposit and operations
  12. Land status
  13. Ownership information
  14. Reserves and resources
  15. Links to other databases
  16. Bibliographic references
  17. General comments
  18. Reporter information

Geologic information

Identification information

Deposit ID 10062143
MRDS ID TC35426
Record type Site
Current site name U.S. Mine
Alternate or previous names Bighorn, Big Horn, Furlough
Related records 10161592

Geographic coordinates

Geographic coordinates: -113.02686, 33.72228 (WGS84)
Elevation 732
Relative position 25 MILES SW OF WICKENBURG.

Site location context

Political divisions (FIPS codes)

Maricopa(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Hummingbird Spring(quadrangle 1:24,000 scale)

Salome(quadrangle 1:100,000 scale)

Phoenix(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Hassayampa(hydrologic unit)

Lower Gila-Agua Fria(hydrologic accounting unit)

Lower Gila(hydrologic subregion)

Lower Colorado(hydrologic region)

Geographic areas

Country State County
United States Arizona Maricopa

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 004N 008W 01 Arizona

Comments on the location information

  • USBM REPORTS LOCATION AS 33-42-42N, 113-01-41W. ; INFO FROM LAND.ST :(1992)

Commodities

Commodity Importance
Gold Primary
Silver Tertiary

Materials information

Materials Type of material
Gold Ore
Silver Ore

Host and associated rocks

  • Host or associated Host
    Rock type Volcanic Rock (Aphanitic) > Intermediate Volcanic Rock > Andesite

Nearby scientific data

(1) -113.02686, 33.72228
ListMap

Economic information

Ore body information

  • General form LENTICULAR
    Thickness 182.88M
    Length 1371.6M
    Width 39.62M
    Depth to top 0M

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant Yes
Discovery year 1942
Year of first production 1987
Production years 1986

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Roddy Resources Arizona Inc.
    Home office Vancouver, British Columbia
    First year 1992
  • Type Owner
    Owner Roddy Resources Arizona Inc.

Comments on the production information

  • IN 1944 PRODUCED 1 CARLOAD PER DAY; IN 1988, PRODUCED 1000 ST/DAY.

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 272000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 2.541 g/mt Gold Major 1986
  • Type In-situ
    Estimate year 1988
    Total resources 453000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 1.665 g/mt Gold Major 1988

Comments on the workings information

  • CYANIDE HEAP LEACH CARBON ABSORPTION OPERATION WITH A 30,000 T PER MONTH CAPACITY. OPEN PIT, SHAFT, DRIFT, DUMP LEACH.

Comments on development

  • 1983-86: SURFACE DRILLING PROGRAM; UNDERGROUND BULK SAMPLING, IDENTIFICATION OF RESERVES, MINE AND HEAP LEACH DEVELOPED. OPEN PIT MINE WAS PRODUCING IN DEC. 1986.

Reference information

Bibliographic references

  • Deposit

    ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES, 1989, DIRECTORY OF ACTIVE MINES IN ARIZONA, INCORPORATING SAND AND GRAVEL OPERATIONS--1989-90: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES DIRECTORY, 14 P.

  • Deposit

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

  • Deposit

    SAWYER, M.B., GURMENDI, A.C., DALEY, M.R., AND HOWELL, S.B., 1992, PRINCIPAL DEPOSITS OF STRATEGIC AND CRITICAL MINERALS IN ARIZONA: UNITED STATS BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Deposit

    METALS ECONOMICS GROUP, 1987, A STUDY OF ACTIVE U.S. GOLD MINES: BOULDER, COLORADO, P. 73-77.

  • Other Database

    CIMRI

  • Production

    SAWYER AND OTHERS, 1992.

  • Reserve-Resource

    NIEMUTH, 1987; SAWYER AND OTHERS, 1992; METALS ECONOMICS GROUP, 1987.

General comments

Subject category Comment text
Deposit ORE IN CRAKS AND FRACTURES IN ANDESITE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-OCT-1992 Orris, Greta J. U.S. Geological Survey
Updater 01-NOV-1993 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

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.