Distribution of diagenetic alterations within depositional facies and sequence stratigraphic framework of fluvial sandstones: Evidence from the Petrohan Terrigenous Group,Lower Triassic,NW Bulgaria |
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| Authors: | Mohamed Ali Kalefa El-Ghali Sadoon Morad Howri Mansurbeg Miguel Angel Caja George Ajdanlijsky Neil Ogle Ihsan Al-Aasm Manhal Sirat |
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| Affiliation: | 1. Department of Earth Sciences, Uppsala University, Villavägen 16, SE-752 36 Uppsala, Sweden;2. Department of Petroleum Geosciences, Universiti Brunei Darussalam, Tungku Link, Gadong BE1410, Brunei;3. Geology Department, Faculty of Science, Al-Fateh University, P.O. Box 13696, Tripoli, Libya;4. The Petroleum Institute, Geoscience Department, P.O. Box 2533, Abu Dhabi, United Arab Emirates;5. AGR Reservoir Evaluation Services AS, Karenslyst Allé 4, P.O. Box 444, NO - 0278 Oslo, Norway;6. Departamento de Petrología y Geoquímica, Facultad de Geología, Universidad Complutense de Madrid, 28040 Madrid, Spain;g University of Mining and Geology, St. Ivan Rilski, Sofia 1700, Bulgaria;h Environmental Engineering Research Centre, School of Civil Engineering, The Queen''s University of Belfast, Stranmillis Road, BT9 5AG, Ireland;i Department of Earth and Environmental Sciences, University of Windsor, Windsor, Ontario N9B 3P4, Canada |
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| Abstract: | Sequence stratigraphy of fluvial deposits is a controversial topic because changes in relative sea level will eventually have indirect impact on the spatial and temporal distribution of depositional facies. Changes in the relative sea level may influence the accommodation space in fluvial plains, and hence have impact on types of fluvial system, frequency of avulsion, and style of vertical and lateral accretion. This study aims to investigate whether depositional facies and changes in the fluvial system of the Lower Triassic Petrohan Terrigenous Group sandstones (NW Bulgaria) in response to changes in the relative sea level have an impact on the spatial and temporal distribution of diagenetic alterations. |
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| Keywords: | Diagenesis Fluvial sandstones Sequence stratigraphy Lower Triassic (NW Bulgaria) |
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