Mine detail: Little Fanny Group

Previously called 'Alvera ExtensionLast Chance'

<< Back to the map

Location

Lat / long:

32.05818, -110.10094

Resource(B)

Primary:	Tungsten, Fluorine-Fluorite
Tertiary:	Quartz, Beryllium
Ore:	Fluorite, Galena, Huebnerite, Pyrite
Gangue:	Beryl, Quartz
Orebody form:	VEINS
Discovery year:	1898

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Texas Canyon
Host type:	Quartz Monzonite
Structure:	Tertiary Block Faulting Trending Nnw. ; Reg.Trends: Late Cretaceous Or Early Tertiary N To Nw Trending Folds And Thrust Faults Overriding To Ne., Normal Faulting.
Tectonic:	Basin And Range.

References

MRDS	M050022
DEP	10039395
Reference	{Deposit:: COOPER, J.R., AND SILVER, L.T., 1964, U.S. GEOL SURVEY PROF. PAPER 416.}{Deposit:: ARIZ. B. OF M. BULL. 148.}{Deposit:: LIVINGSTON, MAUGER, BENNETT, AND LAUGHLIN, 1967, JGR, V. 72, P. 1361-1375.}{Deposit:: PHILLIPS, K.A., 1987, ARIZONA INDUSTRIAL MINERALS: ARIZONA DEPARTMENT OF MINES AND MINERAL RESOURCES MINERAL REPORT 4, 185 P.}{Deposit:: 1964 GEOLMAP U.S. GEOLOGICAL SURVEY COOPER AND SILVER, PROF. PAPER 416}{Other Database:: CIMRI}{Production:: COOPER AND SILVER, 1964}
Reporter	Bergquist, Joel R., Orris, Greta J.