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

Roadside Mine

Past Producer in Mohave county in Arizona, United States with commodities Gold, Silver
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. Materials information
  8. Alteration
  9. Host and associated rocks
  10. Nearby scientific data
  11. Geologic structures
  12. Ore body information
  13. Controls for ore emplacement
  14. Economic information about the deposit and operations
  15. Mining district
  16. Land status
  17. Ownership information
  18. Reserves and resources
  19. Workings at the site
  20. Links to other databases
  21. Bibliographic references
  22. General comments
  23. Reporter information

Geologic information

Identification information

Deposit ID 10027945
MRDS ID M004600
Record type Site
Current site name Roadside Mine
Alternate or previous names Arizona Rand Gold Mine Inc., Mother Lode
Related records 10258818

Geographic coordinates

Geographic coordinates: -114.48164, 35.21946 (WGS84)
Elevation 585
Relative position 6 MILES W OF UNION PASS.

Site location context

Political divisions (FIPS codes)

Mohave(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Union Pass(quadrangle 1:24,000 scale)

Davis Dam(quadrangle 1:100,000 scale)

Kingman(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Havasu-Mohave Lakes(hydrologic unit)

Lower Colorado(hydrologic accounting unit)

Lower Colorado(hydrologic subregion)

Lower Colorado(hydrologic region)

Federal lands

Bureau of Land Management(Bureau of Land Management AZ)

Bureau of Land Management AZ BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State County
United States Arizona Mohave

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 021N 021W 12,11 Arizona

Commodities

Commodity Importance
Gold Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Gold Ore
Hematite Ore
Specularite Ore
Calcite Gangue
Chlorite Gangue
Epidote Gangue
Fluorite Gangue
Gypsum Gangue
Quartz Gangue

Alteration

  • (Local) Chloritization, Silicification

Analytical data

Result ASSAY AVERAGE 0.25 TO 0.30 OZ. AU/TON (1934 ).

Host and associated rocks

  • Host or associated Associated
    Rock type Volcanic Rock (Aphanitic) > Felsic Volcanic Rock > Rhyolite
    Stratigraphic age (youngest) Pliocene
  • Host or associated Host
    Rock type Metamorphic Rock > Gneiss

Nearby scientific data

(1) -114.48164, 35.21946
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Detachment Fault

Ore body information

  • General form LODE, STRINGERS, CHIMNEY SHAPED
    Strike NW
    Dip 35 W
    Length 22.86M
    Width 10.67M
    Depth to top 0M
    Depth to bottom 30.48M

Controls for ore emplacement

  • Black Mountain Detachment Breccia

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1915
Year of first production 1915

Mining district

District name San Francisco District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Operator
    Owner Fischer-Watt Mining Co.
    Home office Kingman, Az.
    First year 1986
  • Type Owner
    Owner Fischer-Watt Mining Co., Inc. And Pecos Resources
    First year 1980

Reserves and resources

  • Type In-situ
    Estimate year 1986
    Total resources 136000mt ore
    Commodity Subtype Grade units Group Importance Year
    Gold Au 0.847 g/mt Gold Major 1986

Workings at the site

  • Type of workings Underground
    Length 304.8M
    Overall depth 30.48M

Comments on the workings information

  • GOPHERING.

Comments on development

  • 1984-86: FISCHER WATT DID GEOLOGIC MAPPING AND GEOCHEMICAL SAMPLING, SURFACE DRILLING.

Reference information

Bibliographic references

  • Deposit

    WILSON, E. D., 1934 , ARIZONA LODE GOLD MINES AND GOLD MINING: ARIZONA BUREAU OF MINES BULLETIN 137 , P. 104- 105.

  • Deposit

    GARDNER, E.D., 1936, GOLD MINING AND MILLING IN THE BLACK MOUNTAINS, WESTERN MOHAVE COUNTY, ARIZONA: U.S.B.M. INFORMATION CIRCULAR 6901, P. 44.

  • 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 STATES BUREAU OF MINES SPECIAL PUBLICATION, 334 P.

  • Other Database

    CIMRI

  • Production

    ARIZONA BUREAU OF MINES BULL. 137, P. 104; SAWYER AND OTHERS, 1992.

  • Reserve-Resource

    NIEMUTH, 1987.

General comments

Subject category Comment text
Deposit Discovery Year: 1910'S
Deposit MINERALIZED BRECCIA IS FLOORED BY THE FAULT. LOWER PLATE ROCKS ARE BLOCKY, JOINTED, UNALTERED, AND UNMINERALIZED. THE MINERALIZED ROCK IS INTENSELY GROUND AND BRECCIATED PRECAMBRIAN GRANITE AND RHYOLITE DIKES AND SILLS. THE GOLD OCCURS MAINLY IN GREENISH-YELLOW QUARTZ AND IN STREAKS OF CHOCOLATE-BROWN IRON OXIDE. USBM REPORTS MINERALIZED ZONE IS 750 FT LONG, 90 FT WIDE, 60 FT THICK, AND EXPOSED AT THE SURFACE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1972 Gere, W. U.S. Geological Survey
Updater 01-JAN-1979 Johnson, Kris H. (Creasey, S.C.) U.S. Geological Survey
Updater 01-NOV-1992 Orris, Greta 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.