The Silurian in the eastern Tarim Basin is a set of marine clastic sediments and only the Lower Silurian is preserved now,which is distributed in an eastern-western long and narrow belt.

• 塔里木盆地东部的志留系为一套海相碎屑岩沉积,现今仅保存有下志留统,分布在铁南2井、维马1井以南、阿南1井以北的东西向狭长地带内。