The mylonite from the Gaoligongshan ductile shear zone within the Nujiang fault,western Yunnan is markedly depleted in SiO_2,TiO_2,total Fe and H_2O,and enriched in CaO,MgO,Na_2O and K_2O.

• 本文以特提斯构造系怒江断裂高黎贡山韧性剪切带糜棱岩为实例。 测试分析表明,在韧性剪切带岩石变形变质前后,SiO2、TiO2、全Fe、H2O等显著贫化,CaO、MgO、Na2O、K2O等显著富集;