The river Dniester valley: a long record of late-Cenozoic fluvial evolution within the Eastern Carpathian foreland and East European Platform margin
Andrei V. Matoshko, Philip Gibbard
TL;DR
This paper studies the long-term evolution of the Dniester River valley, showing how tectonic and environmental changes shaped its fluvial systems over millions of years.
Contribution
The study introduces a combined lithofacies–architecture–morphological approach to better understand the valley's evolution.
Findings
The Dniester valley's evolution spans from the late Miocene to the Quaternary, influenced by tectonic and environmental changes.
Tectonic factors like flexural deformation and uplift were decisive in shaping the valley's fluvial systems.
The valley's four plain reaches show distinct features from different evolutionary stages.
Abstract
The Dniester valley is a spectacular example of a degrading bedrock fluvial system at the contact between the East European platform and the Carpathian orogen. This study is based upon a combined lithofacies–architecture–morphological study. The complex approach replaces an erstwhile conventional pure geomorphological one, eliminating the shortcomings and inaccuracies, providing a more justified stratigraphy and extended version of the valley evolution. The history of the valley and associated fluvial systems (alluvial fans, delta, coastal alluvial plains) occurred at the end of the Miocene and continued through the Pliocene-Quaternary (11–12 Myr). It unfolded against the background of the retreat of the Eastern Paratethys sea, including the ‘foreland’ and ‘cratonic’ periods and their seven stages. The spatial organization of the river’s drainage networks, sedimentary environments,…
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Taxonomy
TopicsGeological Formations and Processes Exploration · Geology and Paleoclimatology Research · Marine and environmental studies