Thinned continental crust intruded by volcanics beneath the northern Bay of Bengal
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- 作者：Jean-Claude Sibueta ; b ; c ; jean.claude.sibuet@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Frauke Klingelhoeferc ; frauke.klingelhoefer@ifremer.fr" class="auth_mail" title="E-mail the corresponding author ; Yuan-Ping Huangd ; janushuang711@gmail.com" class="auth_mail" title="E-mail the corresponding author ; Yi-Ching Yehe ; ycyeh@narlabs.org.tw" class="auth_mail" title="E-mail the corresponding author ; Claude Ranginf ; rangin@geoazur.unice.fr" class="auth_mail" title="E-mail the corresponding author ; Chao-Shing Leea ; leecs@ntou.edu.tw" class="auth_mail" title="E-mail the corresponding author ; Shu-Kun Hsud ; hsu@ncu.edu.tw" class="auth_mail" title="E-mail the corresponding author
- 关键词：Northern Bay of Bengal ; Wide-angle seismic reflection and refraction data ; Thinned continental crust intruded by volcanics
- 刊名：Marine and Petroleum Geology
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：77
- 期：Complete
- 页码：471-486
- 全文大小：13049 K
文摘
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Refraction velocity models show a sedimentary cover of 13 km minimum beneath the shelf and 7 km minimum beneath the deep ocean.
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The crust is thinned continental crust, 10–20 km thick.
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The thinned continental crust is intruded by volcanics, sills and SDRs.
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Seismic velocities of 7.4 km/s found at the base of the crust is interpreted as magmatic underplating.
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The thinned continental crust extends from 19°N (northern Bay of Bengal) to 25°N (Shillong Plateau).