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一、地层划分绵竹汉旺地区位于龙门山中段南侧,这里晚三迭世地层位于倒转向斜核部(见图)。层序清楚,化石丰富。自上而下划分为:
First, stratigraphic division Mianzhu Hanwang area is located in the middle of the Longmen Shan, where the late Triassic strata are located in the inverted syncline core (see photo). Clear sequence, rich fossils. Divided from top to bottom: