SiO2-saturated potassic alkaline magmatism in the central Amazonian Craton, southernmost Uatumã-Anauá Domain, NE Amazonas, Brazil
ABSTRACT: This paper approaches the record of SiO2-saturated potassic alkaline magmatism of Castanhal Quartz Monzonite, Mapuera Suite, and Ladeira da Vovó Quartz Syenite. These samples are located near the Northern border of the Amazon Basin. Such rocks show K2O + 2 > Na2O and K2O/Na2O < 2 values th...
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| Autori principali: | , , , |
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| Natura: | Artigo |
| Lingua: | Inglês |
| Pubblicazione: |
Sociedade Brasileira de Geologia
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| Serie: | Brazilian Journal of Geology |
| Soggetti: | |
| Accesso online: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892017000300441&lng=en&tlng=en |
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