Tectonic drivers and the influence of the Kerguelen plume on seafloor spreading during formation of the early Indian Ocean
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- 作者：S.J. Watsona ; sally.watson@utas.edu.au" class="auth_mail" title="E-mail the corresponding author ; J.M. Whittakera ; J.A. Halpina ; b ; S.E. Williamsc ; L.A. Miland ; N.R. Daczkoe ; D.A. Wymanc
- 关键词：Extinct ridge ; Plate motion ; Kerguelen ; Trace geochemistry ; East Gondwana ; Dirck Hartog Ridge
- 刊名：Gondwana Research
- 出版年：2016
- 出版时间：July 2016
- 年：2016
- 卷：35
- 期：Complete
- 页码：97-114
- 全文大小：4088 K
文摘
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We present the first ever samples from the Dirck Hartog Ridge.
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Source, depth, and degree of melting varies in time and space.
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Implications for early East Gondwana separation.
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Rough abyssal floor and gabbro exhumation indicative of a slowdown in spreading.
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Unusual asymmetrical relief of the DHR suggests late stage compressional event.