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对公婆泉盆地钻孔５００５的７块样品分析表明，其孢粉组合是单脊周囊孢阿里粉单肋联囊粉，为三叠系中常见分子，因此认为将其归属为上三叠统为妥。
The analysis of 7 samples of 5005 boreholes in Gongpoquan Basin shows that the sporopollen assemblage is a single ridged Cyclospora alopecuroid singel, which is a common molecule in the Triassic. Therefore, it is considered to belong to the Upper Triassic To be proper.