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A drying-upward aeolian system of the Bohdašı́n Formation (Early Triassic), Sudetes of NE Czech Republic: record of seasonality and long-term palaeoclimate change by David Uličný is a Earth and Planetary Sciences article available to read on EtoBox.
What is A drying-upward aeolian system of the Bohdašı́n Formation (Early Triassic), Sudetes of NE Czech Republic: record of seasonality and long-term palaeoclimate change about?
The record of aeolian processes was studied in Early Triassic sandstones of the upper part of the Bohdas ˇı ́n Formation, NE Bohemia, an isolated erosional relict of a Triassic fluvial -aeolian succession in the Sudetes block of the Bohemian Massif (central Europe). The aeolian system exposed in the Deve ˇt Kr ˇı ́z ˇu ̊quarry near C ˇerveny ́Kostelec provides a significant addition to the generally poorly preserved record of Early Triassic palaeoclimate and palaeowind regime in central Europe. Two mutually interbedded facies occur in the aeolian succession: (1) dune facies comprising cross-strata that show interdune, reactivation and superimposition bounding surfaces, and (2) interdune facies, formed by horizontally stratified, commonly mud-draped sandstones, which display a number of indicators of damp to wet conditions and fluctuations in water table. The succession of the Deve ˇt Kr ˇı ́z ˇu ̊Sandstones is interpreted as a record of migration and climb of dunes with intervening interdune flats, which replaced an underlying fluvial system. It is likely that a coeval fluvial system existed near the Deve ˇt Kr ˇı ́z ˇu ̊dune field, providing available sand in dry periods a
Who reads A drying-upward aeolian system of the Bohdašı́n Formation (Early Triassic), Sudetes of NE Czech Republic: record of seasonality and long-term palaeoclimate change?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- David Uličný
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 0037-0738)
- Published
- 2004
- Language
- EN
- Field
- Earth and Planetary Sciences (Physical Sciences)