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Butterfly Mountain Area Mica deposit (Enid Station), Butterfly Mountain area, Santa Cruz, Gila River Indian Reservation, Pinal Co., Arizona, USA

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Latitude & Longitude (WGS84): 33° 14' 27'' North , 112° 11' 35'' West
Latitude & Longitude (decimal): 33.2408333333, -112.193055556
Other regions containing this locality:Sonoran Desert, North America

A mica-silica occurrence located in sec. 19, T2S, R2E, about 1¼ miles E of Butterfly Mountain and about 1¼ miles W of Santa Cruz, on Indian Reservation land.

Mineralization is a pegmatititic quartz vein with muscovite books hosted in schist. Flawed muscovite.

Production in the past of trimmed mica, scrap mica, and ground mica.

Mineral List

2 valid minerals.

The above list contains all mineral locality references listed on This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.


USGS & Arizona Bureau of Mines, and the U.S. Bureau of Reclamation (1969), Mineral and water resources of Arizona, Arizona Bureau of Mines Bull. 180.

Moore, R.T. & R.J. Varga (1976), Maps showing nonmetallic mineral deposits in the Phoenix area, Arizona: USGS Misc. Investigations map I-845-J, 1:250,000;

Elevatorski, E.A. (1980) Arizona Industrial Minerals: 55.

Phillips, K.A. (1987), Arizona Industrial Minerals, 2nd. Edition, Arizona Department of Mines & Minerals Mineral Report 4, 185 pp.

Peirce, H. Wesley (1990), Arizona Geological Survey Industrial Minerals card file.

USGS Montezuma Peak Quadrangle map.

MRDS database Dep. ID #10099395, MRDS ID #TC10722; and Dep. ID #10283925, MAS ID #0040210207.

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