High Pressure Metamorphism of Garnet-Amphibole Rocks from Songshugou Area,Eastern Qinling Mountain and Its Tectonic Implication-中国期刊网

摘要 Eclogiticgarnet-amphibolerocksarescatteredaroundtheSongshugouultramaficbodiesinQinlingMountains.Threemetamorphicstagesarerecognizedintermsofpetrography,mineralchemistryandgeothermobarometry.Thefirstalbite-amphibolestagewasofgreenschistfaciesmetamorphismwithtypicalmineralassemblageofactinolite+epidote+chlorite+albite;thepressureandtemperatureconditionswereequaltoorlowerthan500MPaandabout400℃.Thesecondprogradeeclogiticgarnet-amphibolestagewasofamphibole-eclogitefaciesmetamorphismwithtypicalmineralassemblageofgarnet+hornblende±clinopyroxene+rutilewithoutphagioclase,thepressureconditionwasatleast1000-1200MPaandthetemper-atureabout600℃.Thethirdretrogradeepidote-amphibolestagewasofepidote-amphibolitefacieswithassemblageofplagoclase+hornblende+epidote+ilmenite/titanite,thetemperaturewas500-600℃andthepressurefrom800MPadownto500MPa.AllthreestagestookplaceinonesingletectonothermaleventcalledJimingianmovementa

1. A Comparison about Metamorphism among the Oldest-Rock Units from Orogenic Belts of Dabie,Eastern Qinling and Eastern Kunlun of Central Mountain Ranges,China.地质学,1998-03.
2. Geochemistry of the Caledonian Basic Volcanic Rocks at the South Margin of the Qinling Orogenc Belt,and Its Tectonic Implications.地球化学,1999-03.
3Shen Xuhui Tian Qinjian Ding Guoyu Wei Kaibo Chen Zhengwei Chai Chizhang. Late Cenozoic Stratigraphic Sequence and Its Implication to Tectonic Evolution,Hejiakouzi Area, Ningxia Hui Autonomous Region.地震学,2001-04.
4陈世忠;周济元;等. Characteristics of Magmatic Rocks and Tectonic Setting of Mazhuangshan Area,East Tianshan,China.地球化学,2000-03.
5WANG Yang. THERMAL MODELLING OF COLLISIONAL OROGENY:IMPLICATIONS FOR THE ULTRA-HIGH PRESSURE METAMORPHISM.地质学,2001-01.
6GENG Yuansheng LIU Fulai YANG Chonghui. Magmatic Event at the End of the Archean in Eastern Hebei Province and Its Geological Implication.地质学,2006-06.
7. Recognition　of　Ophiolite　Belt　and　Granulite　in　Northern　Area　of　Mian－Lue，　Southern　Qinling，　China　and　Their　Implication.地质学,1994-01.
8. THE LATE MESOZOIC TECTONIC ACTIVATION IN THE EASTERN CHINESE CONTINENT AND ITS EVOLUTION PROCESS.地质学,1998-05.
9Guojie Meng;Xiaoning Su;Weiwei Wu;Jinwei Ren;Yonglin Yang;Jicang Wu;Chieh-Hung Chen;Nikolay V. Shestakov. Heterogeneous strain regime in the eastern margin of Tibetan Plateau and its tectonic implications.地震学,2015-01.
10ZHAO Huijing;ZENG Zhigang;YIN Xuebo;CHEN Shuai. Silicon and Oxygen Isotopic Composition of Igneous Rocks from the Eastern Manus Basin.海洋科学,2014-03.

High Pressure Metamorphism of Garnet-Amphibole Rocks from Songshugou Area,Eastern Qinling Mountain and Its Tectonic Implication

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High Pressure Metamorphism of Garnet-Amphibole Rocks from Songshugou Area,Eastern Qinling Mountain and Its Tectonic Implication

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