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本文根据床板珊瑚化石,论证了新疆博罗科努山北坡精河县和霍城县境的“志留系石灰岩组”上部地层层位为上奥陶统,首次确定该区上奥陶统的存在。同时,还描述了上奥陶统呼独克达板组的床板珊瑚6属11种,其中有新种7个,旧种4个。这些资料的发表,不仅填补了该区奥陶纪珊瑚研究的空白,而且对该区奥陶纪地层时代的确定及与邻区的对比均有重要意义。
Based on the bedplate coral fossils, the upper strata of “Silurian limestone” in Jinghe County and Huocheng County on the northern slope of Boluo Ke Nuo of Xinjiang are identified as Upper Ordovician. The Upper Ordovician The presence. At the same time, there are also 11 species of 6 genera of bed corals in the Upper Ordovician Hu Xueda plate group, of which 7 are new species and 4 are old species. The publication of these data not only fills in the blank of Ordovician coral research in this area, but also has important significance for the determination of the age of Ordovician strata in this area and the comparison with neighboring areas.