Tracking Late-Pan-African fluid composition evolution in the ductile crust of Madagascar: Insight from phase relation modelling of retrogressed gneisses (province of Fianarantsoa)
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- 作者：J. Gannea ; ganne@get.obs-mip.fr" class="auth_mail ; Jerome.Ganne@ird.fr" class="auth_mail ; A. Né ; dé ; leca ; V. Gré ; goirea ; b ; S. Gouya ; P. de Parsevala
- 关键词：Bio ; biotite ; Chl ; chlorite ; Cpx ; clinopyroxene ; Crd ; cordierite ; Ep ; epidote ; Gt ; garnet ; hCrd ; hydrocordierite ; Kf ; potassic-feldspar ; Pa ; paragonite ; Pheng ; phengite ; Pl ; plagioclase ; Qtz ; quartz ; Sill ; sillimanite ; St ; staurolite
- 刊名：Journal of African Earth Sciences
- 出版年：June 2014
- 年：2014
- 卷：94
- 期：Complete
- 页码：100-110
- 全文大小：4349 K
文摘
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Testing the influence of shearing and fluid transfer on phase relationships.
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Using P–T–MH20–CO2–O2 phase diagrams sections to model fluid element transfer.
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Investigation in a paragneiss belonging to the Ikalamavony domain of Madagascar.
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Rock retrogressed in the amphibolite facies with coronitic structures development.
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Highlighting the influence of fluid red-ox conditions on the mineral evolution.