SEDIMENTOLOGIA DA FAIXA COSTEIRA RECIFE - JOÃO PESSOA

JAMES M. MABESOONE

Resumo


The sediments of the coastal area between Recife and João Pessoa, studied with the usual methods on grain size and sand character, and in thin sections, are the following:
1) Beberibe Formation - fluvial and estuarine sandstones, lagoonal silts;
2) Gramame Formation - at its base calcarenites, at its top biomicrites, sometimes dolomitized;
3) Maria Farinha Formation - micrites, fossiliferous micrites, biomicrites, and pelmicrites, with some dolomitic layers;
4) Barreiras Group - mixed sands, silts and clays, chiefly deposited by sand and mud flows;
5) Recent sediments of rivers, estuaries, beaches and mangrove swamps.

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