Tafonomia em cavernas brasileiras: histórico e método de coleta de fósseis preservados em solo carbonatado

Terrae Didatica

Endereço:
Rua Sérgio Buarque de Holanda - 421 - Cidade Universitária
Campinas / SP
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Site: https://periodicos.sbu.unicamp.br/ojs/index.php/td
Telefone: (19) 3521-6729
ISSN: 1980-4407
Editor Chefe: Celso Dal Ré Carneiro
Início Publicação: 04/04/2005
Periodicidade: Anual
Área de Estudo: Ciências Exatas, Área de Estudo: Geociências

Tafonomia em cavernas brasileiras: histórico e método de coleta de fósseis preservados em solo carbonatado

Ano: 2018 | Volume: 14 | Número: 1
Autores: Vasconcelos, André Gomide, Kraemer, Bruno Machado, Meyer, Karin Elise Bohns
Autor Correspondente: Vasconcelos, André Gomide | [email protected]

Palavras-chave: Quaternary deposits, Fossiliferous breccia, Biostratinomy

Resumos Cadastrados

Resumo Inglês:

Among fossiliferous quaternary deposits, caves are foremost in interest, in relation to richness as well as diversity of fossils preserved therein. The goals of this study are: (i) to review taphonomic research involving paleovertebrates collected in Brazilian caves, and (ii) to propose a controlled collection method for fossils in carbonate soils. The studies about Brazilian paleovertebrate taphonomy in caves began in the XIX century. Until the 1990s, they were conducted in low priority, restricted to taxonomic and paleoenvironmental aspects. After the 1990s, taphonomic studies became more relevant. They were then applied in quaternary deposits in many Brazilian states and used innovative techniques, e.g., chemical analysis and absolute dating methods. Fossil collecting demonstrated satisfactory results in carbonate soils. This technique safely removes bones without causing damage, and spatially reconstructs their location in the substrate, allowing detailed taphonomic interpretations.