Ultra-refractory mantle within oceanic plateau: Petrology of the spinel harzburgites from Lac Michèle, Kerguelen Archipelago

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• 作者：Benjamin Wasilewski^a ; ^c ; Luc S. Doucet^b ; ^{luc.serge.doucet@gmail.com} ; Bertrand Moine^c ; Hugues Beunon^b ; Guillaume Delpech^d ; Nadine Mattielli^b ; Vinciane Debaille^b ; Adé ; lie Delacour^c ; Michel Gré ; goire^e ; Damien Guillaume^c ; Jean-Yves Cottin^c
• 关键词：Oceanic plateau ; Kerguelen ; Spinel harzburgites ; Xenoliths ; Ultra-refractory
• 刊名：Lithos
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：272-273
• 期：Complete
• 页码：336-349
• 全文大小：2206 K
• 卷排序：272

文摘

Spinel harzburgites from Lac Michèle are the most refractory peridotites within ocean LIP. They are formed by > 30% of fractional polybaric partial melting at 5 –≤ 1 GPa. They have modal, major and trace element composition similar to on-craton peridotites.