陕北佳县地区深部石炭-二叠纪古生物地层特征研究

Study on Biostratigraphic Features of Deep Part Permo-Carboniferous Strata in Jiaxian Area,Northern Shaanxi

鉴于陕北佳县地区石炭-二叠系无地表出露,以深孔岩心中所含古生物化石资料为研究对象,在研究石炭-二叠系的基础上,论述了该时期古生物群的特征,建立该区域石炭-二叠纪植物、类、腕足动物以及牙形石生物地层组合带。该研究成果不仅完善与补充该区域古生物地层学的内容,而且服务于该区域成油与煤田预测等实际工作,具有很强的理论意义和一定的应用价值。

In consideration of without outcropped Permo -Carboniferous strata in the Jiaxian area, northern Shaanxi, taking the fossil data from cores of deep boreholes as the subject investigated, described Permo - Carboniferous paleobiocoenotic features, established Permo -Carboniferous plant, fusulinid, braehiopod and conodont biostratigraphic assemblage zones. The studied results can not only perfect and supplement of biostratigraphic substantial, but also serve to practical works on oil genesis study and coalfield prediction with strong theoretical significance and certain application value.