四川省西昌地区中更新统昔格达组地层的变形变位等资料表明，该区的应力图象具有明显的分区性。
Suggested by the deformation and shift data of Xigeda Group, Middle Pleistocene, an obvious zoning in stress pattern is appeared in Xichang area, Sichuan Province.
位于幕阜山脉北麓的崇通盆地的第四纪地层系统，过去由于没有发现下更新统而有所空缺。
Since the Lower Pleistocene series in Chongtong basin which is at the north foot of Mufu mountain has not been found for a long time, the Quaternary stratigraphic system appears to be not complete.
年代地层单位属中更新统。
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