Paleobiological and Mineralogical Signatures of Taphonomic Processes in Sedimentary Basins

A special issue of Minerals (ISSN 2075-163X). This special issue belongs to the section "Environmental Mineralogy and Biogeochemistry".

Deadline for manuscript submissions: 30 May 2026 | Viewed by 107

Special Issue Editors


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Guest Editor
Museu Nacional, Universidade Federal do Rio de Janeiro, Rio de Janeiro 1340, Brazil
Interests: ichnology; taphonomy; paleontology

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Guest Editor
Department of Stratigraphy and Paleontology, Faculty of Geology, Universidade do Estado do Rio de Janeiro, Rio de Janeiro 20550013, Brazil
Interests: taphonomy; ichnology; paleoecology; stratigraphy

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Guest Editor
Faculdade de Ciências, Universidade Estadual Paulista (UNESP), Bauru 17033-360, Sao Paolo, Brazil
Interests: macroinvertebrate fossils; taphonomy; paleobiogeography

Special Issue Information

Dear Colleagues,

This Special Issue seeks to advance our understanding of how taphonomic processes influence the preservation and transformation of biological materials within geological contexts. We welcome contributions that investigate the biotic and abiotic factors shaping fossilization, with particular attention paid to chemical alteration, mineral precipitation, and environmental conditions during or following the burial of biological remains or trace fossils. Studies that integrate fossil data with analytical techniques—such as Raman spectroscopy, X-ray diffraction, electron microscopy, or geochemical mapping—are especially encouraged. The goal is to unravel how biological features are retained, modified, or obliterated under varying depositional conditions. Case studies from diverse stratigraphic and geographic contexts are welcome, particularly those that link paleobiological evidence with mineralogical and geochemical data to interpret preservation pathways and support the search for biosignatures in extraterrestrial environments. This interdisciplinary Special Issue aims to bridge the gap between paleontological observations and mineralogical processes, offering a comprehensive view of how the fossil record is filtered by taphonomic changes. Ultimately, it provides a platform to refine interpretations of past ecosystems—on Earth and other worlds—by establishing a better understanding of preservation bias and transformation mechanisms.

Dr. Daniel Sedorko
Dr. Herminio Ismael Araujo Junior
Prof. Dr. Renato Pirani Ghilardi
Guest Editors

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Keywords

  • fossilization pathways
  • biostratinomy
  • diagenetic alteration
  • geochemical proxies
  • analytical techniques

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Published Papers (1 paper)

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Research

27 pages, 13420 KB  
Article
Bacteria-like Ferruginous Structures in Carboniferous Limestones as Remains of Post-Variscan Hydrothermal Activity in Southern Poland
by Marta Bąk, Krzysztof Bąk, Anna Wolska, Grzegorz Rzepa, Stanisław Szczurek, Piotr Strzeboński, Sławomir Bębenek and Piotr Dolnicki
Minerals 2025, 15(11), 1158; https://doi.org/10.3390/min15111158 (registering DOI) - 1 Nov 2025
Abstract
Structures resembling iron-related bacteria (IRB) have been found in the Mississippian limestones that form part of the carbonate platform in the Moravo-Silesian Basin that surrounds the Upper Silesian Block, an eastern margin of the Brunovistulicum. Microfacial, petrological, and geochemical analyses were used to [...] Read more.
Structures resembling iron-related bacteria (IRB) have been found in the Mississippian limestones that form part of the carbonate platform in the Moravo-Silesian Basin that surrounds the Upper Silesian Block, an eastern margin of the Brunovistulicum. Microfacial, petrological, and geochemical analyses were used to determine the bacteria-like structures that are present in narrow zones unrelated to bedding. We present here the morphology and chemistry of the studied microstructures showing their similarities to IRB from the present-day Sphaerotilus-Leptothrix group, the Galionella group, and the Mariprofundus ferrooxydans species. We suggest that bacterial growth occurred in the originally empty micropores of microfossil skeletons and shells, between bioclasts or in secondary voids formed during the selective dissolution of micrite or smaller sparite crystals. Hydrothermal solutions, associated probably with the post-Variscan magmatism in this area, provided iron compounds for the growth of the IRB. Full article
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