Major- and trace-elements in cratonic mantle eclogites and pyroxenites reveal heterogeneous sources and metamorphic processing of low-pressure protoliths
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- 作者：Sonja Aulbacha ; s.aulbach@em.uni-frankfurt.de" class="auth_mail" title="E-mail the corresponding author ; Dorrit E. Jacobb ; dorrit.jacob@mq.edu.au" class="auth_mail" title="E-mail the corresponding author
- 关键词：Kimberlite-borne xenoliths ; Archaean oceanic crust ; Convecting mantle sources
- 刊名：Lithos
- 出版年：2016
- 出版时间：1 October 2016
- 年：2016
- 卷：262
- 期：Complete
- 页码：586-605
- 全文大小：4021 K
文摘
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Eclogite sources and processes identified by diagnostic element systematics
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Protoliths formed by melting of depleted ± pyroxenite-/sediment-contaminated mantle.
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Low-pressure fractional crystallisation recognisable in most mantle eclogites
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Accumulation and melt-reaction important in gabbroic eclogites
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Hybridisation of eclogite-derived melts with peridotite explains many pyroxenites.