DING Saping,,PEI Xianzhi,,LI Yong,,LI Ruibao,,LI Zuochen,,Feng Jianyun,,SUN Yu,,ZHANG Yafeng.2009. Biotite 40Ar 39Ar Ages of Granitic Mylonite at the XinyangYuanlong Ductile Shear Zone in the North Margin of West Qinling and Their Geological Significance[J]. Acta Geologica Sinica,83(11):1624-1632