| An experimental study of dehydration melting of phengite-bearing eclogite at 1.5―3.0 GPa |
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| 基金项目： | Supported by National Natural Science Foundation of China(Grant Nos.40802046and90714005);;National Basic Research Program of China(Grant No.2009CB825003);;State Key Laboratory of GPMR Foundation(Grant No.200610) |
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| 摘 要： | Dehydration melting experiments were performed on ultrahigh-pressure eclogite from Bixiling in the Dabie orogen at 1.5―3.0 GPa and 800―950℃ using piston cylinder apparatus. The results show that (1) eclogite with ~5% phengite started to melt at T≤800―850℃ and P = 1.5―2.0 GPa and produced about 3% granitic melt; (2) the products of dehydration melting of phengite-bearing eclogite vary with temperature and pressure. Fluid released from dehydration of phengite and zoisite leads to partial melting of eclogite a...
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