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  3. Mineral Resource Data System (MRDS)

Gold Bar Mines

Producer in Greenlee county in Arizona, United States with commodities Silver, Gold, Copper
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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. 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. Workings at the site
  19. Links to other databases
  20. Bibliographic references
  21. General comments
  22. Reporter information

Geologic information

Identification information

Deposit ID 10048284
MRDS ID M800411
Record type Site
Current site name Gold Bar Mines
Alternate or previous names South Sycamore Group, Mrs Frank Bates Group, Stevens Brothers Gold Holding, Southeast Sycamore Group

Geographic coordinates

Geographic coordinates: -109.30398, 33.14343 (WGS84)
Elevation 1676
Relative position 10 MILES NORTH OF CLIFTON ON A HIGH RIDGE SOUTH OF SYCAMORE GULCH

Site location context

Political divisions (FIPS codes)

Greenlee(county)

Arizona(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Mitchell Peak(quadrangle 1:24,000 scale)

Clifton(quadrangle 1:100,000 scale)

Clifton(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

San Francisco(hydrologic unit)

Upper Gila(hydrologic accounting unit)

Upper Gila(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 Greenlee

Public Land Survey System information

Meridian Township Range Section Fraction State
Gila and Salt River 003S 030E 30 SW OF NW Arizona

Comments on the location information

  • LOCATED ON PROMINENT RIDGE SEPARATING DORSEY GULCH FROM SYCAMORE GULCH; ADJOINS INDEPENDENCE AND SYCAMORE GROUPS WHICH LIE TO THE W AND SW ; INFO FROM LAND.ST :(1973)

Commodities

Commodity Importance
Silver Primary
Gold Primary
Copper Secondary

Materials information

Materials Type of material
Chalcopyrite Ore
Pyrite Ore
Hematite Gangue
Limonite Gangue

Alteration

  • (Local) Minor; Some Surface Oxidation Whereby Granite Host Rock Alterred By Limonite

Host and associated rocks

  • Host or associated Associated
    Rock type Plutonic Rock > Granitoid > Quartz Monzonite
    Rock unit name Morenci Granite Porphyry;Precambrian Granite Basement
    Rock description Morenci Granite Porphyry;Precambrian Granite Basement
    Stratigraphic age (youngest) Pliocene
    Stratigraphic age (youngest) Neoproterozoic
  • Host or associated Host
    Rock type Plutonic Rock > Granitoid > Granite

Nearby scientific data

(1) -109.30398, 33.14343
ListMap

Economic information

Geologic structures

Type of structure Regional
Structure description Ne-Trending Quartzitic Fissure Veins Connected With Porphyry Dikes; Block Faulting Ne Of Copper King Mountain
Type of structure Local
Structure description Vein In Quartzitic Dike Associated With Nearby Morenci Granite Porphyry Stock

Ore body information

  • General form IRREGULAR
    Strike N64E
    Dip VERTICAL
    Thickness 91.44M
    Width 15.24M
    Depth to bottom 91.44M

Controls for ore emplacement

  • Ne-Trending Fissure Vein Forming Prominent Ridge And Extensive Surface Outcrops

Economic information about the deposit and operations

Development status Producer
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1875
Discoverer Stevens Brothers
Year of first production 1910
Year of last production 1946

Mining district

District name Copper Mountain District

Land status

Ownership category BLM Administrative Area

Ownership information

  • Type Owner
    Owner S. T. Stevens
    First year 1956

Workings at the site

  • Type of workings Surface/Underground
    Length 553.21M
    Overall depth 91.44M

Comments on the workings information

  • DEVELOPMENTS INCLUDED 3 SHAFTS FROM 50 TO 80 FT DEEP, 1780 FT OF TUNNELS AND CROSSCUTS, 35 FT OF DRIFTS, AND 40 FT OF RAISES, 3 STAMP MILL; SURFACE MINING WAS CONDUCTED 300 FT TO S OF GOLD BAR SHAFT IN SURFACE OUTCROP ON LADY FRANKLIN VEIN

Comments on development

  • OPERATORS INCLUDED W.L. KEPPLER; S.T. STEVENS AND ASSOCIATES; H.C. WHITE; PROPERTY OWNED BY H.C. WHITE PRIOR TO 1940; ADJACENT SYCAMORE GROUP OWNED BY H.C. WHITE (1946) AND LATER BY STEVENS BROTHERS (1956)

Reference information

Bibliographic references

  • Deposit

    ABGMT-USBM FILE DATA

  • Deposit

    ARIZONA DEPARTMENT OF MINERAL RESOURCES FILE DATA, SOUTH SYCAMORE GROUP

  • Deposit

    ABGMT CLIPPINGS FILE, SOUTH SYCAMORE GROUP, STEVENS BROTHERS GOLD HOLDINGS

  • Deposit

    USGS PP 43, P. 363

  • Deposit

    BENNET, K.C., 1975, GEOLOGY AND ORIGIN OF THE BRECCIAS IN THE MORENCI, METCALF DISTRICT, GREENLEE COUNTY, ARIZONA: M.S. THESIS, UNIVERSITY OF ARIZONA, 153 P.

General comments

Subject category Comment text
Deposit MINE IS LOCATED ON LADY FRANKLIN VEIN; CLAIMS TOTALLING 10 UNPATENTED LODE
Deposit SEE ALSO: SYCAMORE GROUP OWNED BY H.C. WHITE (SYNONYMOUS WITH WHITE PROPERTY); INDEPENDENCE GROUP OWNED BY H.C. WHITE AND OPERATED BY STEVENS BROTHERS AND POLARIS MINING CO (SYNONYMOUS WITH BIG MEDICINE CLAIM) ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit Discovery Year: LATE 1800'S

Reporter information

Type Date Name Affiliation Comment
Reporter 01-DEC-1981 Calder, Susan R. Arizona Bureau of Geology and Mineral Technology

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.