globalchange  > 气候变化与战略
DOI: 10.1016/j.earscirev.2021.103617
论文题名:
Lost islands in the northern Lesser Antilles: possible milestones in the Cenozoic dispersal of terrestrial organisms between South-America and the Greater Antilles
作者: Cornée J.-J.; Münch P.; Philippon M.; BouDagher-Fadel M.; Quillévéré F.; Melinte-Dobrinescu M.; Lebrun J.-F.; Gay A.; Meyer S.; Montheil L.; Lallemand S.; Marcaillou B.; Laurencin M.; Legendre L.; Garrocq C.; Boucard M.; Beslier M.-O.; Laigle M.; Schenini L.; Fabre P.-H.; Antoine P.-O.; Marivaux L.; the GARANTI and ANTITHESIS Scientific Parties
刊名: Earth Science Reviews
ISSN: 00128252
出版年: 2021
卷: 217
语种: 英语
中文关键词: Biostratigraphy ; Cenozoic basins ; Lesser Antilles ; Palaeogeography ; Seismic stratigraphy ; Vertical motions
英文关键词: biostratigraphy ; Cenozoic ; depositional environment ; dispersal ; paleogeography ; seismic stratigraphy ; terrestrial ecosystem ; zoogeographical region ; Lesser Antilles ; Anguilla ; Anguilla anguilla
英文摘要: Our study aims to reconstruct the palaeogeography of the northern part of the Lesser Antilles in order to analyse whether emerged areas might have existed during the Cenozoic, favouring terrestrial faunal dispersals between South America and the Greater Antilles along the present-day Lesser Antilles arc. The stratigraphy and depositional environments of the islands of Anguilla, St Martin, Tintamarre, St Barthélemy, Barbuda and Antigua are reviewed in association with multichannel reflection seismic data acquired offshore since the 80's in the Saba, Anguilla and Antigua Banks and in the Kalinago Basin, including the most recent academic and industrial surveys. Seven seismic megasequences and seven regional unconformities are defined, and calibrated from deep wells on the Saba Bank and various dredges performed during marine cruises since the 70's in the vicinity of the islands. Onshore and offshore correlations allow us to depict an updated and detailed sedimentary organisation of the northern part of the Lesser Antilles from the late Eocene to the late Pleistocene. Paleogeographic reconstructions reveal sequences of uplift and emergence across hundredswide areas during the late Eocene, the late Oligocene, the early middle-Miocene and the latest Miocene-earliest Pliocene, interspersed by drowning episodes. The ~200 km-long and ~20 km-wide Kalinago Basin opened as an intra-arc basin during the late Eocene - early Oligocene. These periods of emergence may have favoured the existence of episodic mega-islands and transient terrestrial connections between the Greater Antilles, the Lesser Antilles and the northern part of the Aves Ridge (Saba Bank). During the Pleistocene, archipelagos and mega-islands formed repeatedly during glacial maximum episodes. © 2021 Elsevier B.V.
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被引频次[WOS]:28   [查看WOS记录]     [查看WOS中相关记录]
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166364
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作者单位: Géosciences Montpellier, CNRS-Université des Antilles-Université de Montpellier, Pointe à Pitre, Guadeloupe F-97159, France; Géosciences Montpellier, CNRS-Université de Montpellier-Université des Antilles, Montpellier, F-34095, France; Office of the Vice-Provost (Research), University College London, 2 Taviton Street, London, WC1H 0BT, United Kingdom; Université Claude Bernard Lyon 1, ENS de Lyon, CNRS, UMR 5276 LGL-TPE, Villeurbanne, F-69622, France; National Institute of Marine Geology and Geoecology, 23–25 Dimitrie Onciul Street, PO Box 34–51, Bucharest, 70318, Romania; Geoazur, Université de la Côte d'Azur, CNRS, Observatoire de la Côte d'Azur, IRD, Valbonne, F-06560, France; Laboratoire d'Océanologie et Géosciences, Université de Lille, Villeneuve d'Ascq, 59655, France; Institut des Sciences de l'Evolution de Montpellier (ISE-M), Univ Montpellier, CNRS, IRD, EPHE, Montpellier, F-34095, France

Recommended Citation:
Cornée J.-J.,Münch P.,Philippon M.,et al. Lost islands in the northern Lesser Antilles: possible milestones in the Cenozoic dispersal of terrestrial organisms between South-America and the Greater Antilles[J]. Earth Science Reviews,2021-01-01,217
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