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An Archean continental block in the Taihangshan and Hengshan regions: Constraints from geochronology and geochemistry

查看全文 作　　者：LIU Shuwen , LI Jianghai, PAN Yuanming, ZHANG Jian and LI Qiugen(1. The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing 100871, China;2. Department of Geological Sciences, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada) 高影响力作者 出　　处：《Progress in Natural Science:Materials International》索引2002年第12卷第8期,共9页高影响力期刊 基　　金：Supported by the National Natural Science Foundation of China (Grant No. 49832030). 摘　　要：Recent research on the tectonothermal evolution and geochronology in the Fuping, Hengshan and Wutaishan metamorphic complexes, together with the discoveries of a high-pressure granulite belt in the northern margin of the North China Craton (NCC) and high-pressure metapelites in the Jingangku Group of the Wutaishan complex, suggests that there was a Neoarchean to Paleoproterozoic orogenic belt related to collision between the Eastern and Western continental blocks. Comparison of geological, geochronological, tectonothermal and geochemical data between the Fuping and Hengshan complexes suggests these two complexes most likely originated and evolved as a single lithotectonic domain (i.e., the Taihangshan-Hengshan block) during the early evolution of the North China Craton, probably as an active margin to the Eastern Continental Block. The Taihangshan-Hengshan block has been subjected to intensive and extensive tectono-magmatism and high-grade metamorphism related to collision between the Eastern and Western continental blocks at ~1.80 Ga. 关 键 词：Fuping_Hengshan METAMORPHIC complexes, North China Craton, GEOCHRONOLOGICAL and geochemical evidence, ARCHEAN continental block, collision.
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