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Stages of development in the Polish Carpathian Foredeep basin
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Stages of development in the Polish Carpathian ...
Bibliographic description
| title: | Stages of development in the Polish Carpathian Foredeep basin |
| author: | Oszczypko Nestor  , Oszczypko-Clowes Marta
|
| Journal title: | Central European Journal of Geosciences |
| volume: | 4 |
| issue: | 1 |
| date of publication: | 2012 |
| pages: | 138-162 |
| ISSN: |
2081-9900 |
| eISSN: |
1896-1517 |
| DOI: | |
| URL: | |
| date accessed: |
2015-04-02 |
| language: | English |
| Journal language: | English |
| abstract in english: | In southern Poland, Miocene deposits have been recognised both in the Outer Carpathians and the Carpathian Foredeep (PCF). In the Outer Carpathians, the Early Miocene deposits represent the youngest part of the flysch sequence, while in the Polish Carpathian Foredeep they are developed on the basement platform. The inner foredeep (beneath the Carpathians) is composed of Early to Middle Miocene deposits, while the outer foredeep is filled up with the Middle Miocene (Badenian and Sarmatian) strata, up to 3,000mthick. The Early Miocene strata are mainly terrestrial in origin, whereas the Badenian and Sarmatian strata are marine. The Carpathian Foredeep developed as a peripheral foreland basin related to the moving Carpathian front. The main episodes of intensive subsidence in the PCF correspond to the period of progressive emplacement of the Western Carpathians onto the foreland plate. The important driving force of tectonic subsidence was the emplacement of the nappe load related to subduction roll-back. During that time the loading effect of the thickening of the Carpathian accretionary wedge on the foreland plate increased and was followed by progressive acceleration of total subsidence. The mean rate of the Carpathian overthrusting, and north to north-east migration of the axes of depocentres reached 12 mm/yr at that time. During the Late Badenian-Sarmatian, the rate of advance of the Carpathian accretionary wedge was lower than that of pinch-out migration and, as a result, the basin widened. The Miocene convergence of the Carpathian wedge resulted in the migration of depocentres and onlap of successively younger deposits onto the foreland plate. |
| keywords in english: | Polish Carpathian Foredeep, palaeogeography, nannofossil biostratigraphy, basin evolution |
| affiliation: | Wydział Biologii i Nauk o Ziemi : Instytut Nauk Geologicznych |
| type: | journal article |
| subtype: | academic paper |
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