Three steps of serpentinization in an eclogitized oceanic serpentinization front (Lanzo Massif - Western Alps)
Three steps of serpentinization in an eclogitized oceanic serpentinization front (Lanzo Massif - Western Alps)
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DOI:
10.1111/jmg.12008
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发表时间:
2013-02-01
影响因子:
3.4
通讯作者:
Godard, M.
中科院分区:
文献类型:
--
作者:
Debret, B.;Nicollet, C.;Godard, M.
The Lanzo peridotite massif is a fragment of oceanic lithosphere generated in an oceancontinent transition context and eclogitized during alpine collision. Despite the subduction history, the massif has preserved its sedimentary oceanic cover, suggesting that it may have preserved its oceanic structure. It is an exceptional case for studying the evolution of a fragment of the lithosphere from its oceanization to its subduction and then exhumation. We present a field and petrological study retracing the different serpentinization episodes and their impact on the massif structure. The Lanzo massif is composed of slightly serpentinized peridotites (