Density structure of the cratonic mantle in southern Africa: 1. Implications for dynamic topography
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- 作者：Irina M. Artemievaa ; irina@ign.ku.dk" class="auth_mail" title="E-mail the corresponding author ; Lev P. Vinnika ; b ; vinnik@ifz.ru" class="auth_mail" title="E-mail the corresponding author
- 关键词：Cratonic lithosphere ; Mantle density ; Dynamic topography ; Upper mantle temperature ; Kaapvaal and Zimbabwe cratons
- 刊名：Gondwana Research
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：39
- 期：Complete
- 页码：204-216
- 全文大小：2897 K
文摘
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Southern Africa has 0.5–0.7 km higher topography than Precambrian cratons worldwide.
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Extra topography may have the source in mantle between the LAB and 410 km depth.
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Mantle density structure correlates with tectonics and agrees with xenolith data.