Mine detail: Gold Bar Mines

Previously called 'South Sycamore GroupMrs Frank Bates GroupStevens Brothers Gold HoldingSoutheast Sycamore Group'

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Location: Greenlee County, Arizona, United States, North America
Lat / long: 33.14343, -109.30398
dep_id: 10048284
mrds_id: M800411
Commodity type: metallic
Major mineral: Silver, Gold
Minor mineral: Copper
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Producer
ore: Chalcopyrite, Pyrite
gangue: Hematite, Limonite
orebody_fm: IRREGULAR
work_type: Surface/Underground
alteration: Minor; Some Surface Oxidation Whereby Granite Host Rock Alterred By Limonite
conc_proc: Mineralization Along Fissure Vein Forming Irregular Ore Bodies And Banded Deposits
ore_ctrl: Ne-Trending Fissure Vein Forming Prominent Ridge And Extensive Surface Outcrops
Reporter: Calder, Susan R.
hrock_type: Granite
arock_unit: Morenci Granite Porphyry;Precambrian Granite Basement
arock_type: Quartz Monzonite
Structure: Ne-Trending Quartzitic Fissure Veins Connected With Porphyry Dikes; Block Faulting Ne Of Copper King Mountain, Vein In Quartzitic Dike Associated With Nearby Morenci Granite Porphyry Stock
tectonic: Precipitous Gully Terrain; Transition Between Basin And Range And Colorado Plateau Provinces
Year first produced: 1910
yr_lst_prd: 1946
disc_yr: 1875
discr: Stevens Brothers
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.
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