Hot subduction in the middle Jurassic and partial melting of oceanic crust in Chilean Patagonia

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• 作者：Samuel Angiboust^a ; ^b ; ^{angiboust@ipgp.fr} ; Thais Hyppolito^c ; ^d ; ^{thahyppolito@gmail.com} ; Johannes Glodny^a ; ^{glodnyj@gfz-potsdam.de} ; Aitor Cambeses^d ; ^{aitorc@ugr.es} ; Antonio Garcia-Casco^d ; ^e ; ^{agcasco@ugr.es} ; Mauricio Calderó ; n^f ; ^{mccaldera@gmail.com} ; Caetano Juliani^c
• 关键词：Hot subduction ; Patagonia ; Counter-clockwise P-T path ; Trondhjemite ; Jurassic
• 刊名：Gondwana Research
• 出版年：2017
• 出版时间：February 2017
• 年：2017
• 卷：42
• 期：Complete
• 页码：104-125
• 全文大小：5223 K
• 卷排序：42

文摘

Partial melting of MORB-derived garnet amphibolites and generation of trondhjemite. U-Pb zircon rims and garnet Sm-Nd dating indicate peak conditions at c.162 Ma. The field record of a hot subduction zone (19°/km) during the Jurassic in S. Chile.