Journal of Micropalaeontology
Journal of Micropalaeontology
JM
Articles | Volume 45, issue 1
Articles | Volume 45, issue 1
https://doi.org/10.5194/jm-45-335-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/jm-45-335-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 45, issue 1
Research article
 | 
13 May 2026
Research article |  | 13 May 2026

Palynofacies and lacustrine sequence stratigraphy: a case example from the Jurassic Cañadón Asfalto Formation, Cañadón Asfalto Basin, Extra-Andean Patagonia, Argentina

Daniela Elizabeth Olivera, Carlos Zavala, Mirta Elena Quattrocchio, María Eugenia Soreda, Roberto Scasso, and Renchao Yang

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Short summary
This study explores how climate-driven changes in water balance affected an ancient lake during the Jurassic in Patagonia, and influenced how plant and algal material were deposited and preserved. By combining field observations with palynological analysis, we identified shifts between wetter and drier periods. These shifts controlled lake size, water conditions, and the type and amount of organic matter preserved, improving our understanding of how ancient lake systems record environmental change.
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