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Malhada Pedra Formation

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Journal Article
Published: 01 February 2006
The Canadian Mineralogist (2006) 44 (1): 69-86.
... in various host-rocks. The pegmatites of Mamões and Trigero I intrude quartzites from the Equador Formation, whereas the Capoeira pegmatite is emplaced in related metaconglomerates. The pegmatites Carnaúbinha, Combi, and Malhada Vermelha intrude the mica schists from the Seridó Formation ( Fig. 1...
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Journal Article
Published: 01 May 2010
Journal of the Geological Society (2010) 167 (3): 519-538.
... the subaerial Monte Grande–Pedra Lume Formation ( Silva et al . 1990 ; Torres et al . 2002 ; Holm et al . 2008 ). The products of this stage are found only in the central–northern part of the island and crop out down to the present sea level. The Ancient Eruptive Complex is deeply eroded and is composed...
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