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《中国科学D辑(英文版)》 2004-02
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Geochemistry of the ophiolite and oceanic island basalt in the Kangxian-Pipasi-Nanping tectonic melange zone, South Qinling and their tectonic significance

LAI Shaocong, ZHANG Guowei, PEI Xianzhi & YANG Haifeng Key Laboratory of Continental Dynamics, Ministry of Education and Department of Geology, Northwest University, Xi'an 710069, China Correspondence should be addressed to Lai Shaocong (email: shaocong@pub.xaonline.com)  
Detailed studies indicate that Kangxian-Pipasi-Nanping tectonic zone is a complicated melange zone which includes many tectonic slabs of different origins. Ophiolite (MORB-type basalt), oceanic island tholeiite and alkaline basalt have been identified. Moreover, this tectonic melange zone is eastward connected with the Mianlue suture zone. The deformation characteristics, consisting components and volcanic rock geochemical features for the Kangxian-Pipasi-Nanping tectonic melange zone are much similar to those of the Mianlue suture zone and Deerni ophiolite. Therefore, the Kangxian-Pipasi-Nanping tectonic melange zone should be the westward extension part of the Mianlue suture zone. It indicates that the Mianlue suture zone had extended to the Nanping area.
【CateGory Index】: P588.1
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