Osés, Gabriel LadeiraVoltani, Cibele GaspareloPrado, Gustavo Marcondes Evangelista MartinsGalante, DouglasRizzutto, Márcia de AlmeidaRudnitzki, Isaac DanielSilva, Evandro Pereira daRodrigues, FabioRangel, Elidiane CiprianoRendón, Paula Andréa SucerquiaPacheco, Mírian Liza Alves Forancelli2017-10-052017-10-052017OSÉS, G. L. et al. Deciphering pyritization-kerogenization gradient for fish soft-tissue preservation. Scientific Reports, v. 7, p. 1-15, 2017. Disponível em: <https://www.nature.com/articles/s41598-017-01563-0>. Acesso em: 25 ago. 2017.2045-2322http://www.repositorio.ufop.br/handle/123456789/8878Soft-tissue preservation provides palaeobiological information that is otherwise lost during fossilization. In Brazil, the Early Cretaceous Santana Formation contains fish with integument, muscles, connective tissues, and eyes that are still preserved. Our study revealed that soft-tissues were pyritized or kerogenized in different microfacies, which yielded distinct preservation fidelities. Indeed, new data provided the first record of pyritized vertebrate muscles and eyes. We propose that the different taphonomic pathways were controlled by distinct sedimentation rates in two different microfacies. Through this process, carcasses deposited in each of these microfacies underwent different residence times in sulphate-reduction and methanogenesis zones, thus yielding pyritized or kerogenized softtissues, and a similar process has previously been suggested in studies of a late Ediacaran lagerstätte.en-USabertoArtigo publicado em periodicoThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/. Fonte: o próprio artigo.https://doi.org/10.1098/rstb.1985.0134