Subduction of seafloor asperities revealed by a detailed stratigraphic analysis of the active margin shelf sediments of Central Ecuador
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- 作者：Jean Noë ; l Prousta ; jean-noel.proust@univ-rennes1.fr" class="auth_mail" title="E-mail the corresponding author ; Carlos Martilloa ; b ; c ; Franç ; ois Michaudb ; Jean Yves Collotb ; d ; Olivier Dauteuila
- 关键词：Active margin ; Seamount subduction ; Quaternary stratigraphy ; Ecuador ; Continental shelf
- 刊名：Marine Geology
- 出版年：2016
- 出版时间：1 October 2016
- 年：2016
- 卷：380
- 期：Complete
- 页码：345-362
- 全文大小：8909 K
文摘
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We analyze in details Quaternary deposits from new seismic data on Ecuadorian shelf.
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We tied ten depositional sequences to coastal exposures and marine terraces.
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The depositional sequences correlate to climato-eustatic changes in sea-level.
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Shelf depocenters migration underlines the shape of a subducting seamount.