globalchange  > 气候变化与战略
DOI: 10.1016/j.tecto.2020.228323
论文题名:
Caribbean intra-plate deformation: Paleomagnetic evidence from St. Barthélemy Island for post-Oligocene rotation in the Lesser Antilles forearc
作者: Philippon M.; van Hinsbergen D.J.J.; Boschman L.M.; Gossink L.A.W.; Cornée J.-J.; BouDagher-Fadel M.; Léticée J.-L.; Lebrun J.-F.; Munch P.
刊名: Tectonophysics
ISSN: 00401951
出版年: 2020
卷: 777
语种: 英语
中文关键词: Block rotation ; Forearc ; Trench curvature
英文关键词: Lime ; Limestone ; Magnetization ; Tectonics ; Counter clockwise rotation ; Deformation history ; Forearc ; Lesser Antilles subduction zones ; Paleomagnetic evidence ; Plate deformations ; Temporal variation ; Transform plate boundary ; Deformation ; block rotation ; Caribbean plate ; curvature ; deformation mechanism ; forearc basin ; intraplate process ; magnetic reversal ; Oligocene ; paleomagnetism ; plate boundary ; plate motion ; subduction zone ; tectonic setting ; trench ; Guadeloupe ; Leeward Islands [Lesser Antilles] ; Saint Barthelemy
英文摘要: As subduction zones and their related processes are often studied in 2D, or cylindrical 3D sections, the dynamic effects of trench curvature and its evolution through time remain under-explored. Whereas temporal variations in trench trend may be estimated through restoring upper plate deformation, we investigate the forearc deformation history of the strongly curved northern Lesser Antilles trench, connecting the near-orthogonal Lesser Antilles subduction zone with the Motagua-Cayman transform plate boundary. Our new paleomagnetic dataset consists of 310 cores from Eo-Oligocene magmatic rocks and limestones from St. Barthélemy Island. The limestones yielded a post-folding magnetization containing a similar magnetic direction to those stored in magmatic rocks that intrude the folded carbonates, both indicating a post-Oligocene ~15°, and perhaps up to 25° counterclockwise rotation of the island. Our results highlight that the present-day trench curvature formed progressively during the Cenozoic, allowing us to discuss different tectonic scenarios explaining NE Caribbean plate deformation, and to identify key targets for future research on tectonic architecture and the potential present-day activity of intra-plate deformation that may pose seismic hazards. © 2020
Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/170679
Appears in Collections:气候变化与战略

Files in This Item:

There are no files associated with this item.


作者单位: Géosciences Montpellier, UMR 5243, CNRS, Université des Antilles-Université de Montpellier, Campus de Fouillole, Pointe-à-Pitre, FWI 97159, France; Department of Earth Sciences, Utrecht University, Princetonlaan 8A, Utrecht, 3584 CD, Netherlands; Department of Environmental Systems Science, ETH Zürich, Universitätstrasse 16, Zürich, 8092, Switzerland; Office of the Vice-Provost (Research), 2 Taviton Street, London, WC1H 0BT, United Kingdom; Géosciences Montpellier, UMR 5243, CNRS_Université des Antilles-Université de Montpellier, Campus du Triolet, Montpellier, 34000, France

Recommended Citation:
Philippon M.,van Hinsbergen D.J.J.,Boschman L.M.,et al. Caribbean intra-plate deformation: Paleomagnetic evidence from St. Barthélemy Island for post-Oligocene rotation in the Lesser Antilles forearc[J]. Tectonophysics,2020-01-01,777
Service
Recommend this item
Sava as my favorate item
Show this item's statistics
Export Endnote File
Google Scholar
Similar articles in Google Scholar
[Philippon M.]'s Articles
[van Hinsbergen D.J.J.]'s Articles
[Boschman L.M.]'s Articles
百度学术
Similar articles in Baidu Scholar
[Philippon M.]'s Articles
[van Hinsbergen D.J.J.]'s Articles
[Boschman L.M.]'s Articles
CSDL cross search
Similar articles in CSDL Cross Search
[Philippon M.]‘s Articles
[van Hinsbergen D.J.J.]‘s Articles
[Boschman L.M.]‘s Articles
Related Copyright Policies
Null
收藏/分享
所有评论 (0)
暂无评论
 

Items in IR are protected by copyright, with all rights reserved, unless otherwise indicated.