北票组烃源岩有机质丰度不高，属差—中等烃源岩；
The organic abundance of Beipiao Formation hydrocarbon source rock is not very high and belongs to poor to middle grading.
中国科学家今年先后在辽西北票地区发现十枚始祖鸟类化石。
Chinese scientists have successively discovered ten archaeopteryx-type fossils in the Beipiao region of Liaoxi this year.
通过对该区含煤地层组合特征综合分析，认为其应属下侏罗统北票组含煤岩系。
Through comprehensive analysis of coal-bearing strata combinative characteristics in the area, figured out the strata belong to Lower Jurassic Beipiao Formation coal-bearing rock series.
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