The Mafic Potassic Intrusion of Pariquera-Açu, São Paulo, Brazil
This paper describes the geological, petrographic, mineralogic and chemical characteristics of the mafic potassic intrusionof Pariquera-Açu (P-A), southern São Paulo. The studied rock assemblage comprises members of the high-K alkalic magmaseries. Nepheline, orthoclase and clinopyroxene are the esse...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade de São Paulo
2004-10-01
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| Series: | Geologia USP. Série Científica |
| Subjects: | |
| Online Access: | http://ppegeo-local.igc.usp.br/pdf/guspsc/v4n2/08.pdf |