(Mina Milpillas, Cuitaca, Mun. de Cananea, Sonora, Mexico)
New find of azurite and malachite from this mine (2007).
The Milpillas mine lies within the Municipio de Cananea, 17 km north (by road) of the village of Cuitaca. When azurite specimens first came to Tucson, they were reportedly occurring near Nacozari. Later investigation and visitation revealed the actual location to be northwest of Cananea, which itself is northwest of Nacozari (Marcus J. Origlieri info).
References:
- Moore, T., and Origlieri, M. (2008): Famous Mineral Localities: The Milpillas Mine, Cananea District, Sonora, Mexico. Mineralogical Record 39(6), 25-34.
- Singer, D.A., Berger, V.I., and Moring, B.C. (2008): Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. US Geological Survey Open-File Report 2008-1155.
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Map Reference: 31°7'N , 110°27'W
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Mineral List:18 entries listed. 16 valid minerals.
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