Geochemistry, zircon U-Pb geochronology and Lu-Hf systematics of metavolcanics from eastern Hebei reveal Neoarchean subduction tectonics in the North China Craton

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• 作者：Rongrong GuoShuwen LiuM.Santosh
• 会议时间：2012-09-21
• 关键词：Neoarchean Saheqiao metavolcanic rocks ; whole-rock geochemistry ; zircon U-Pb-Hf systematics ; eastern Hebei Province ; North China Craton
• 作者单位：Rongrong Guo,Shuwen Liu(Key Laboratory of Orogenic Belts and Crustal Evolution, Ministry of Education, School of Earth and Space Science, Peking University, Beijing 100871, China)M.Santosh(Faculty of Science, Kochi University, Akebono-cho 2-5-1, Kochi 780-8520, Japan;School of Earth Sciences and Resources, China University ofGeosciences Beij)
• 母体文献：2012年全国岩石学与地球动力学研讨会论文集
• 会议名称：2012年全国岩石学与地球动力学研讨会
• 会议地点：兰州
• 主办单位：中国地质学会
• 语种：chi

摘要

The Neoarchean metavolcanic suite of rocks in Saheqiao occurs within the central domain of Precambrian terrane of eastern Hebei in the North China Craton.These rocks consist mainly of garnet two-pyroxene granulites,(garnet) clinopyroxene amphibolites,amphibole plagioclase gneisses and biotite plagioclase gneisses,and occur as massive blocks,bands or enclaves within Precambrian granitoid gneisses.