Mine detail: Cobralla Prospect

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Location: La Paz County, Arizona, United States, North America
Lat / long: 33.88727, -113.72328
dep_id: 10027679
mrds_id: M003800
Commodity type: metallic and nonmetallic
Major mineral: Copper
Trace mineral: Iron, Wollastonite
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Chalcocite, Chalcopyrite, Hematite, Magnetite, Malachite, Wollastonite
orebody_fm: LINEAR
conc_proc: Here The Intrusion Appears To Have Taken Place At A Greater Depth Or Under More Pressure, Contact Metamorphic Minerals Having Been Developed On A Large Scale And Limestone Strata In Places Completely Changed To Wollastonite
Reporter: Gere, W., Hall, R. K. (Creasey, S. C.), Bolm, Karen S.
hrock_type: Mica Schist
arock_type: Granite
Structure: In The Immediate Vicinity Of The Prospect Holes The Directions Of Dip And Strike Vary Continuously And Local Folding And Faulting Are Pronounced. In The Shaft A Zone Of Intense Movement Is Shown, And The Resulting Brecciated Schist Fragments Form The Main Part Of The Fracture Filling
References:
  • Deposit:: BANCROFT, HOWLAND; 1911; ORE DEPOSITS IN NORTHERN YUMA COUNTY, ARIZONA: U.S.G.S. BULLETIN 451, P. 103
  • Deposit:: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES REPORT 4, 185 P.
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