Mine detail: Cobralla Prospect

Previously called ''

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Location

Lat / long:

33.88727, -113.72328

Resource(B)

Primary:	Copper
Tertiary:	Iron, Wollastonite
Ore:	Chalcocite, Chalcopyrite, Hematite, Magnetite, Malachite, Wollastonite
Orebody form:	LINEAR

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Mica Schist
Associated 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

MRDS	M003800
DEP	10027679
Reference	{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.}
Reporter	Gere, W., Hall, R. K. (Creasey, S. C.), Bolm, Karen S.