Genetic relationship of metamorphic reaction and dehydration-melting |
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| Authors: | Fulai Liu Qihan Shen Yuansheng Eng Xuechun Xu Rui Ma |
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| Institution: | (1) Chinese Academy of Geological Sciences, Institute of Geology, 100037 Beijing, China;(2) Open Laboratory of Changchun Geological College, 130026 Changchun, China |
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| Abstract: | The high-temperature and pressure experimental data of garnet, sillimantite and biotite-bearing potash feldspar gneiss (SGBG,
natural block rock) has shown that metamorphic reactions between garnet and melt, and mineral assemblage evolutional features
are not only controlled byP-T condition, but also genetically correlate with dehydration-melting of biotite and partial melting of felsic minerals. Combining
experimental data with theoretical analyses, the genetic mechanism of metamorphic reaction and its dynamic significance have
been demonstrated in the process of metamorphic evolution of khondalite series on the border of Jin (Shanxi Province)-Inner
Mongolia.
Project supported by the Youth Geologist Foundation of Ministry of Geology and Mineral Resources of China, the Post-docter
Foundation and the National Natural Science Foundation of China (Grant No. 49572138). |
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| Keywords: | metamorphic reaction dehydration-melting natural block rock SGBG high-temperature and pressure experiment |
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