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对阿木岗群硅质岩段与上覆和下伏地层的接触关系,灰岩砾石、灰岩夹层中所发现的生物化石及才玛尔错和绒马硅质岩中放射虫化石资料的对比研究表明,硅质岩段不属于基底地层,其时代相当于三叠纪,大致可与晚三叠世结扎群相对比。
The relationship between the Amorphogolites of the Amugan Group and the overlying and underlying strata, the comparison between the bio-fossils found in limestone gravels and limestone intercalations and the radiolarian fossils in the Camamar and velvet siliceous rocks The study shows that the siliceous rocks do not belong to the basement strata and their age is equivalent to Triassic, which is roughly comparable with that of the Late Triassic.