Publisher © Czech Geological Survey, ISSN: 2336-5757 (online), 0514-8057 (print)

New dataon Upper Carboniferous silicified stems of calamites from the Nová Paka region


Jakub Sakala, Václav Mencl, Petra Matysová

Geoscience Research Reports 42, 2009 (GRR for 2008), pages 111–113
Map sheets: Jičín (03-43)

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The described silicified stems of calamites come from sediments near the town Nová Paka, which are of the Stephanian C age. All of them are characterized by an alternation of interfascicular rays and fascicular wedges with only one type of tracheids and important amount of parenchyma, so they belong to the form genus Arthropitys Goeppert. Cathodoluminescence analysis shows quite well preservation of a specific pattern, which might point to a volcanic influence during silicification. Based on the presence of hygrophilous elements, the paleoenvironment and climatic conditions of the site where the plants originally grew can be considered as rather humid and swampy.