On the eclogite facies metamorphism in the Dabie Mountains

Geological Bulletin of China > 1999 > 18(3): .

1999: On the eclogite facies metamorphism in the Dabie Mountains. Geological Bulletin of China, 18(3).

Citation:

1999: On the eclogite facies metamorphism in the Dabie Mountains. Geological Bulletin of China, 18(3).

Citation:

1999: On the eclogite facies metamorphism in the Dabie Mountains. Geological Bulletin of China, 18(3).

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On the eclogite facies metamorphism in the Dabie Mountains

1. Changchun University of Science and Technology, Changchun 130026,China;
2. Institute of Geomechanics, Chinese Academy of Geological Sciences, Beijing 100081 ,China

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Available Online: August 16, 2023
Published Date: August 14, 1999

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Eclogite facies rocks from the Dabie Mountains are mainly composed of garnet peridotite, eclogite, garnet phengite schist, eclogitic gneiss, garnet jadeite quartzite and eclogitic marble, which often occurs within granitic gneisses. The paragenetic sequence in eclogite indicates that eclogite facies rocks experienced progressive metamorphism from epidote amphibolite facies to coesite eclogite facies and retrograde metamorphism from amphibole eclogite facies through epidote amphibolite facies to greenschist facies. Granitic gneisses and metamorphosed volcanic sedimentary rocks were not subjected to ultrahigh pressure metamorphism, but they together with eclogite facies rocks underwent the same epidote amphibolite facies metamorphic event. This may imply that the two rock units were juxtaposed at crustal levels during the late continental collision in the Dabie Mountains.
- Dabie Mountains,
- eclogite facies,
- metamorphism,
- juxtaposition

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	QI Xiaopeng, FAN Xiangang, YANG Jie, CUI Jiantang, WANG Bangyao, FAN Yazhou, YANG Gaoxue, LI Zhen, CHAO Wendi. 2016: The discovery of Early Paleozoic eclogite in the upper reaches of Langmuri in eastern East Kunlun Mountains and its significance. Geological Bulletin of China, 35(11): 1771-1783. DOI: 10.12097/gbc.dztb-35-11-1771
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	HAO Jie, LIU Xiaohan. 2003: Discovery of eclogites in the Qichun areas in the southernslope of the Dabie Mountains and some related problems. Geological Bulletin of China, 22(10): 798-802. DOI: 10.12097/gbc.2003010152
	2000: Distribution and main characteristics of eclogite in the northern Dabie Mountains, Anhui. Geological Bulletin of China, 19(3): 253-257. DOI: 10.12097/gbc.ZQYD200003006
	1999: A model of metamorphism and deformation of eclogites in northern Jiangsr and evolrtion of the Su-Jiao orogenic belt. Geological Bulletin of China, 18(2). DOI: 10.12097/gbc.ZQYD902.007

On the eclogite facies metamorphism in the Dabie Mountains

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