The central northern part of the alkaline complex is peridotite, outwards changing to ijolites-jacupirangites. The southern central part is a carbonatite, surrounded by jacupirangites.
Ref.:
- Gaspar, J.C. and Wyllie, P.J. (1982): Barium phlogopite from the Jacupiranga carbonatite, Brazil. American Mineralogist 67, 997-1000.
- Menezes, L.A. and Martins, J.M. (1984): The Jacupiranga mine, Sao Paulo (Brazil). Mineralogical Record 15(5), 261-270.
- Orris, G.J., and Grauch, R.I. (2002): Rare earth element mines, deposits, and occurrences. USGS Open-File Report 02-189.
- http://www.koeln.netsurf.de/~w.steffens/jacu.htm
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Map Reference: 24°42'13"S , 48°7'35"W
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