北京西山下苇甸地区青白口系长龙山组沉积相及层序地层研究*
张驰, 李建安, 焦杰伟, 丁玥, 邵龙义

A study of sedimentary facies and sequence stratigraphy of the Changlongshan Formation(Qingbaikouan)in Xiaweidian area, West Mountain of Beijing
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北京西山下苇甸地区青白口系长龙山组下部实测地层剖面图