Publication details

Ferruginous coated grains in the Lower Devonian Řeporyje Limestone (Prague Basin, Czech Republic). In Ondřej Bábek, Stanislava Vodrážková: 35th IAS Meeting of Sedimentology Virtual Meeting Prague, Czech Republic, 21–25 June 2021. Book of Abstracts, p. 453.

Authors

VODRÁŽKOVÁ Stanislava VODRÁŽKA Radek KUMPAN Tomáš KALVODA Jiří MUNNECKE Axel FRÝDA Jiří KOUBOVÁ Magdaléna HOLÁ Markéta

Year of publication 2021
Type Conference abstract
MU Faculty or unit

Faculty of Science

Citation
Description The research was focused on ferruginous coated grains mostly represented by microstromatolitic oncoids from the Lower Devonian (Pragian) Řeporyje Limestone employing BSE, X-Ray diffraction, and LA-ICP-MS analyses. Although no undisputed microbial remains were recorded, we regard the above-mentioned features as indicators of biogenicity of the precipitates. Positive Eu anomalies, Nd – Ce/Ce* crossplot, and Eu/Sm and Sm/Yb ratios suggest a certain influence of hydrothermal high-temperature fluids.
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