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A PRELIMINARY STUDY ON THE EMPLACEMENT MECHANISM AND MAGMA DYNAMICS OF THE GRANITE IN ZHUANGHE AREA, LIAONING PROVINCE: A Case Study of the Guangmingshan Composite Granite Body |
ZHANG Yong, HAO Yong-li, YU Hai-feng, DONG Wan-de |
Liaoning Institute of Geological Exploration, Dalian 116100, Liaoning Province, China |
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Abstract Based on the theory of magma dynamics, the driving force, ascending channel and its minimum critical width for the magma emplacement of Guangmingshan composite granite body are discussed. It is suggested that the rock body was formed as a result of the granitic magma invading upwards in dikes with the minimum critical width of ascending channels, which were provided by deep faults, and emplaced in the shallow crust with expanding of the dikes.
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Received: 21 May 2013
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[1] |
CHEN Hui-jun, CUI Tian-ri, QIAN Cheng, LI Lin-chuan, CHEN Jing-sheng, LI Wei, WU Xin-wei, JIANG Bin, SI Qiu-liang, QIN Tao, TANG Zhen, ZHANG Yu-jin, GUO Wei. ZIRCON U-Pb GEOCHRONOLOGY OF BASHENGHE PLUTON IN NORTHERN DAXINGANLING MOUNTAINS: Geological Implications[J]. GEOLOGY AND RESOURCES, 2019, 28(5): 405-412. |
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