| 北京西山杨庄组的划分及地层学意义 |
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| 引用本文： | 刘振锋,郑桂森.北京西山杨庄组的划分及地层学意义[J].城市地质,1994(2):15-19. |
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| 作者姓名： | 刘振锋 郑桂森 |
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| 作者单位： | 北京市地质调查所 |
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| 摘 要： | 本文利用近年来区调新资料，论述了西山地区杨庄组岩石特征、沉积环境和地层对比，指出了西山杨庄组的发现对该区地层层序划分的重要意义，探讨了杨庄期燕山地区的古地理状况。
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| 关 键 词： | 北京西山 杨庄组 地层学 地层划分 |
ESTABLISHMENT OF YANGZHUANG FORMATION AND ITS STRATIGRAPHIC SIGNIFICANCE IN THE WESTERN HILLS OF BEIJING |
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| Liu Zhenfeng,Zheng Guisen.ESTABLISHMENT OF YANGZHUANG FORMATION AND ITS STRATIGRAPHIC SIGNIFICANCE IN THE WESTERN HILLS OF BEIJING[J].City Geology,1994(2):15-19. |
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| Authors: | Liu Zhenfeng Zheng Guisen |
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| Institution: | Geological Survey of Beijing |
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| Abstract: | On the basis of new informations from the recently regional geological survey,the writers have expounded the rock feature,the depositional environment and the stratigraphic correlations of the Yangzhuang Formation,pointed out the stratigraphic significance of its establishment in the Western Hills of Beijing,and discussed the paleogeographic conditions of Yangzhuang Stage in the Yanshan area. |
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| Keywords: | Western Hills of Beijing Yangzhang Formation |
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