Mine detail: Big Banana Mine

Previously called 'Big Banana Nos. 1, 2, 3, ClaimsMaud E Claim'

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Location

Lat / long:

31.90873, -111.65653

Resource(B)

Primary:	Tungsten
Tertiary:	Copper, Molybdenum, Fluorine-Fluorite
Ore:	Molybdenite, Pyrite
Gangue:	Epidote, Garnet
Orebody form:	EN ECHELON LENSES
Other material:	Fluorite
Discovery year:	1954

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Producer
Production years:	D1=1954; D2-1955-56.
First production started:	1954

Geology

Host rock:	Ali Molina Formation
Host type:	Quartzite
Associated type:	Rhyolite
Structure:	Mineralized Zone - S 15 E, 1000 Ft. Or More Long.
Tectonic:	Basin And Range.
Alteration processes:	Hydrothermal Alteration Has Affected Scheelite Lenses

References

MRDS	M050133
DEP	10039471
Reference	{Deposit:: DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA, AND SANTA CRUZ COUNTIES: USBM R.I. 5650.}{Deposit:: KEITH, S.B., 1974, ABM BULLETIN 189.}{Deposit:: ABM FILE DATA.}{Deposit:: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.}{Deposit:: DALE, STEWART, AND MCKINNEY, 1960, TUNGSTEN DEPOSITS OF COCHISE, PIMA AND SANTA CRUZ COUNTIES: U.S. BUREAU OF MINES REPORT OF INVESTIGATION 5650.}{Deposit:: 1957 RECON USBM: RI 5650}{Other Database:: CIMRI}{Production:: DALE ETAL 1960, USBM RI5650.}
Reporter	Johnson, Maureen G., Elliot, James E., Orris, Greta J.