The stratigraphic,structural and metamorphic features of the basal thrust belt of the circa 1.0Ga Miaowan ophiolite in the southern Huangling anticline,show that it can be divided into three tectono-lithostratigraphic units from north to south: mélange/wild flysch rock units,flysch rock units,and sedimentary rock units of the autochthonous (in situ) stable continental margin.