摘要
Suo’er clasolite is an informal stratigraphic unit,which based on 1:250 000 Duoba regional geological survey of Jilin institute of geological survey.The stratum unconformity in pyroxene peridotite,with its unique rock types and rock combination,reveals the features of sedimentation environment that Yongzhu ophiolite belt formed olive seamount in the Late Jurassic,and sedimenry apron.