Keywords Altyn Tagh tectonic belt Eclogite;Khondalite series PT path;Ductile deformation;Continent-continent collision orogency;Caledonian orogenic root;

• 阿尔金构造带;榴辉岩;孔兹岩系;PT轨迹;韧性变形作用;陆陆碰撞造山;加里东期山根;