Abstract
The study of taphofacies is extremely relevant in Paleontology as it provides support for paleoenvironmental interpretation by associating the preservation state of fossil content with sedimentological and stratigraphic characteristics. Despite its importance, there are few analyses of taphofacies in bioclastic accumulations of invertebrates in Brazilian sedimentary basins or Quaternary sedimentary accumulations. Therefore, this article aims to identify taphofacies in Holocene bioclastic accumulations distributed along the coastal plains of Armação de Búzios, Rio de Janeiro State, Brazil. After qualitative observations and taphonomic analysis of material from two outcrops located in the Canal Marina Porto Búzios, three distinct taphofacies were identified. Taphofacies 1 was interpreted as a beach environment related to strandlines; taphofacies 2 was interpreted as a shallow lagoon environment; and taphofacies 3 was interpreted as a lagoon margin. The taphofacies identified in this study are related to the maximum Holocene transgression, which occurred in the region about 6000 years BP, and the subsequent marine regression. This study presents relevant and unprecedented data, enabling a better understanding of the coastal evolution of Armação dos Búzios and Cabo Frio.
Published Version
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