Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina)
Stromatolites are organo-sedimentary structures, internally laminated, which grow attached to the substrate. This lamination mirrors the dynamic interaction of environmental and biological factors where its formation takes place. However, some stromatolites from the Yacoraite Formation, from Amblayo locality, in northwestern Argentina, present an unconventional internal structure characterized by bilateral symmetry, where the development of lamination extends towards both sides of an imaginary plane. This contribution reports a multi-scale analysis of these particular stromatolites, with the aim of determining the extent to which environmental factors have influenced their internal structure. In addition to this, a sequence of stages that gave rise to these organo-sedimentary structures will be proposed. Results suggest a microbialitic growth by in-situ biologically induced, carbonate precipitation, which was carried out in a shallow intertidal environment with good luminosity and significant sedimentary input. However, the stromatolitic growth occurred over two stages, interrupted by a stochastic event that generated a overturning of the structure, providing a new colonizing surface for growth of microorganisms and resulting in a bilateral internal structure. The characterization of these stages, including the overturning of the structure, not only provides a highly accurate proxy for reconstructing punctual environmental conditions of the Yacoraite Formation, but also opens up a field of discussion focused on the resilience and recolonization capacity of stromatolite-producing microorganisms after stochastic events.
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Language: | English |
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Elsevier
2024-09
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Subjects: | Stromatolite, Yacoraite Formation, Maastrichtian-Danian, Bilateral symmetry, Stochastic event, |
Online Access: | http://hdl.handle.net/10261/366621 |
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dig-cide-es-10261-3666212024-08-29T09:25:43Z Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) López Isla, Gabriel Ricardo Villafañe, Patricio Guillermo Quiroga, Lucas Jimeno-Alda, Julia Citton, Paolo Valais, Silvina de Cónsole-Gonella, Carlos Alfredo Díaz-Martínez, Ignacio Agencia Nacional de Promoción Científica y Tecnológica (Argentina) Consejo Nacional de Investigaciones Científicas y Técnicas (Argentina) Generalitat Valenciana Ministerio de Ciencia e Innovación (España) Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event Stromatolites are organo-sedimentary structures, internally laminated, which grow attached to the substrate. This lamination mirrors the dynamic interaction of environmental and biological factors where its formation takes place. However, some stromatolites from the Yacoraite Formation, from Amblayo locality, in northwestern Argentina, present an unconventional internal structure characterized by bilateral symmetry, where the development of lamination extends towards both sides of an imaginary plane. This contribution reports a multi-scale analysis of these particular stromatolites, with the aim of determining the extent to which environmental factors have influenced their internal structure. In addition to this, a sequence of stages that gave rise to these organo-sedimentary structures will be proposed. Results suggest a microbialitic growth by in-situ biologically induced, carbonate precipitation, which was carried out in a shallow intertidal environment with good luminosity and significant sedimentary input. However, the stromatolitic growth occurred over two stages, interrupted by a stochastic event that generated a overturning of the structure, providing a new colonizing surface for growth of microorganisms and resulting in a bilateral internal structure. The characterization of these stages, including the overturning of the structure, not only provides a highly accurate proxy for reconstructing punctual environmental conditions of the Yacoraite Formation, but also opens up a field of discussion focused on the resilience and recolonization capacity of stromatolite-producing microorganisms after stochastic events. This research was made possible with the support of grant PICT 2017-2057 (C. Cónsole-Gonella and S. de Valais) from Agencia Nacional de Promoción Científica y Técnica and PIP 254 (S. de Valais) from CONICET, both from Argentina. PGV is supported by a CIAPOS fellowship (GVA-CIAPOS2022) of the Conselleria de Educación, Universidades y Empleo, Generalitat Valenciana. ID-M is supported by a Ramón y Cajal fellowship (RYC-2022) and by the Ministry of Science and Innovation of Spain. Peer reviewed 2024-08-29T09:25:43Z 2024-08-29T09:25:43Z 2024-09 artículo Cretaceous Research 161: 105917 (2024) 0195-6671 http://hdl.handle.net/10261/366621 10.1016/j.cretres.2024.105917 1095-998X en https://doi.org/10.1016/j.cretres.2024.105917 Sí none application/pdf Elsevier |
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Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event |
spellingShingle |
Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event López Isla, Gabriel Ricardo Villafañe, Patricio Guillermo Quiroga, Lucas Jimeno-Alda, Julia Citton, Paolo Valais, Silvina de Cónsole-Gonella, Carlos Alfredo Díaz-Martínez, Ignacio Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
description |
Stromatolites are organo-sedimentary structures, internally laminated, which grow attached to the substrate. This lamination mirrors the dynamic interaction of environmental and biological factors where its formation takes place. However, some stromatolites from the Yacoraite Formation, from Amblayo locality, in northwestern Argentina, present an unconventional internal structure characterized by bilateral symmetry, where the development of lamination extends towards both sides of an imaginary plane.
This contribution reports a multi-scale analysis of these particular stromatolites, with the aim of determining the extent to which environmental factors have influenced their internal structure. In addition to this, a sequence of stages that gave rise to these organo-sedimentary structures will be proposed.
Results suggest a microbialitic growth by in-situ biologically induced, carbonate precipitation, which was carried out in a shallow intertidal environment with good luminosity and significant sedimentary input. However, the stromatolitic growth occurred over two stages, interrupted by a stochastic event that generated a overturning of the structure, providing a new colonizing surface for growth of microorganisms and resulting in a bilateral internal structure.
The characterization of these stages, including the overturning of the structure, not only provides a highly accurate proxy for reconstructing punctual environmental conditions of the Yacoraite Formation, but also opens up a field of discussion focused on the resilience and recolonization capacity of stromatolite-producing microorganisms after stochastic events. |
author2 |
Agencia Nacional de Promoción Científica y Tecnológica (Argentina) |
author_facet |
Agencia Nacional de Promoción Científica y Tecnológica (Argentina) López Isla, Gabriel Ricardo Villafañe, Patricio Guillermo Quiroga, Lucas Jimeno-Alda, Julia Citton, Paolo Valais, Silvina de Cónsole-Gonella, Carlos Alfredo Díaz-Martínez, Ignacio |
format |
artículo |
topic_facet |
Stromatolite Yacoraite Formation Maastrichtian-Danian Bilateral symmetry Stochastic event |
author |
López Isla, Gabriel Ricardo Villafañe, Patricio Guillermo Quiroga, Lucas Jimeno-Alda, Julia Citton, Paolo Valais, Silvina de Cónsole-Gonella, Carlos Alfredo Díaz-Martínez, Ignacio |
author_sort |
López Isla, Gabriel Ricardo |
title |
Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
title_short |
Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
title_full |
Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
title_fullStr |
Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
title_full_unstemmed |
Upside down: Resilience and recolonization of overturned stromatolite from the Maastrichtian-Danian Yacoraite formation (northwestern Argentina) |
title_sort |
upside down: resilience and recolonization of overturned stromatolite from the maastrichtian-danian yacoraite formation (northwestern argentina) |
publisher |
Elsevier |
publishDate |
2024-09 |
url |
http://hdl.handle.net/10261/366621 |
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