摘要
窑坡组是北京地区的重要含煤地层。研究结果表明,煤层主要分布在该组下段的中下部,厚煤带呈NEE展布,煤厚与煤系厚度及砂体厚度有关,沉积环境是引起煤厚变化的主要因素,可采煤层主要形成于废弃三角洲平原上。
Yaopo Formation is the important coal bearing stratum in Beijing area.Research demonstrats that the coal beds are distributed mainly over the lower Yaoyo Formation.The zones withthicker coalbeds lie in Nee direction.Thickness of coalbed.Concern the thickness of Yaopo Formation and Sandstone.The main factors affecting thickness of coalbed is depositional environments.The main coalbeds were formed in the abandoned shallow Lacustrine delta.
关键词
窑坡组
煤厚
沉积环境
含煤地层
Beijing,Yaopo Formation,thickness of coalbed,depositional environment