globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2016.06.040
论文题名:
The late Miocene Mediterranean-Atlantic connections through the North Rifian Corridor: New insights from the Boudinar and Arbaa Taourirt basins (northeastern Rif, Morocco)
作者: Achalhi M.; Münch P.; Cornée J.-J.; Azdimousa A.; Melinte-Dobrinescu M.; Quillévéré F.; Drinia H.; Fauquette S.; Jiménez-Moreno G.; Merzeraud G.; Moussa A.B.; El Kharim Y.; Feddi N.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
卷: 459
起始页码: 131
结束页码: 152
语种: 英语
英文关键词: Chronostratigraphy ; Late Miocene ; Mediterranean-Atlantic connections ; Morocco ; North Rifian Corridor ; Paleoenvironments
英文摘要: New data from the Neogene Boudinar and Arbaa Taourirt basins (northeastern Morocco) provide constraints on the late Miocene evolution of the North Rifian Corridor. The chronostratigraphy of these basins is clarified on the basis of biostratigraphic (planktonic foraminifers, calcareous nannoplankton) and radio-isotope ages. Marine sedimentation in the Boudinar Basin began during the early Tortonian at ~ 10 Ma and persisted until the late-early Messinian at ~ 6.1 Ma. In the Arbaa Taourirt basin, it occurred between the late Tortonian and the earliest Messinian. Paleoenvironmental data (benthic foraminifera and pollen grains) record a major drowning in association with extensive tectonism in the Boudinar basin during the early Messinian (~ 7.2 Ma). Synchronously, there was a major sedimentological change in the Arbaa Taourirt basin with progradation of conglomerates and sandstones over late Tortonian marls. Large-scale cross-bedded sandstones indicate paleo-currents flowing from the Atlantic Ocean toward the Mediterranean Sea. During the late-early Messinian, a shallowing trend occurred, culminating with the progradation of reefal carbonates. Our findings indicate that the North Rifian Corridor opened at ~ 7.2 Ma ensuring Atlantic-Mediterranean connections. The Corridor was progressively restricted during the late-early Messinian with complete closure by ~ 6.1 Ma. The results of this study thus question existing hypotheses for the timing and nature of Atlantic-Mediterranean connections during the late Messinian. © 2016 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/68281
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作者单位: Laboratoire des Géosciences Appliquées LGA, Université Mohamed 1er, faculté des sciences, Oujda, Morocco; UMR CNRS 5243 Géosciences Montpellier, Université de Montpellier, CC 060, Pl. Eugène Bataillon, Montpellier Cedex 05, France; National Institute of Marine Geology and Geo-ecology (GeoEcoMar), Str. Dimitrie Onciul, nr 23-25, Bucarest, Romania; Université Lyon 1, ENS de Lyon, CNRS UMR 5276 LGL-TPE, Villeurbanne, France; National and Kapodistrian University of Athens, Faculty of Geology and Geoenviromment, Athens, Greece; Institut des Sciences de l'Évolution, Université de Montpellier, CNRS 5554, IRD, Place Eugène Bataillon, Montpellier Cedex 5, France; Departamento de Estratigrafía y Paleontología, Universidad de Granada, Fuenta Nueva S/N, Granada, Spain; Département de Géologie, Université Abdelmalek Esaadi, Tetuán, Morocco; Laboratoire Biodiversité et dynamique des écosystèmes, Université Cadi Ayyad, Faculté des Sciences Semlalia, Boulevard Prince-Moulay-Abdelah, Marrakech, Morocco

Recommended Citation:
Achalhi M.,Münch P.,Cornée J.-J.,et al. The late Miocene Mediterranean-Atlantic connections through the North Rifian Corridor: New insights from the Boudinar and Arbaa Taourirt basins (northeastern Rif, Morocco)[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01,459
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