Features and origin of mafic microgranular enclaves in the Yuegelu granite in the Eastern Kunlun

LIU Chengdong1,2，ZHANG Wenqin1，MO Xuanxue1，LUO Zhaohua1，YU Xuehui1，LI Shuwei1，ZHAO Xin1

doi:10.12097/gbc.2002011167

Geological Bulletin of China > 2002 > 21(11): 739-744. > DOI: 10.12097/gbc.2002011167

LIU Chengdong1,2，ZHANG Wenqin1，MO Xuanxue1，LUO Zhaohua1，YU Xuehui1，LI Shuwei1，ZHAO Xin1. 2002: Features and origin of mafic microgranular enclaves in the Yuegelu granite in the Eastern Kunlun. Geological Bulletin of China, 21(11): 739-744. DOI: 10.12097/gbc.2002011167

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Features and origin of mafic microgranular enclaves in the Yuegelu granite in the Eastern Kunlun

LIU Chengdong1,2，ZHANG Wenqin1，MO Xuanxue1，LUO Zhaohua1，YU Xuehui1，LI Shuwei1，ZHAO Xin1

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Revised Date: February 21, 2002

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The form,size,composition and distribution of mafic microgranular enclaves in the Yuegelu granite in the Eastern Kunlun are studied in detail.The enclaves are characterized by a great variety of forms and strong plastic rheology;their sizes are highly varied,being usually tens of centimeters in diame-ter,and the largest one has a long-axis length of up to400cm;they are mainly dioritic in composition and fine-grained than the host rock in texture as a whole,with the composition and texture varying somewhat in different parts of the rock;they are of uneven distribution,usually occurring densely as clus-ters and bands,and are oriented.Under the microscope,acicular apatite,quartz xenoliths and the idiomor-phic inner core zone and overgrowths of plagioclase are often found,all of which show the features of magma mixing.
- mafic microgranular enclave,
- magma mixing,
- granite,
- Eastern Kunlun

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Features and origin of mafic microgranular enclaves in the Yuegelu granite in the Eastern Kunlun

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