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Cahracteristics of progressive ductile deformation and remnant igneous fabrics indicate that the foliated diorites in the middle sector of the Jiangshao fracture belt in Zhuji County,Zhejiang,are mylonites deformed from diorites,The mylonitization occurres about 353-370Ma ago under a condition of 425-475℃and 3.8-4.6kb.herelation between the deformation and metamorphism was discussed based on petrographic evidence and mineral chemistry and assemblage,It is suggested that the deformation was responsible for the development of low-grade greenschist-facies metamorphism of mylonitic diorites by introducing fluid phase to accelerate metamorphic reaction and diffusion. 相似文献
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