| 摘要: |
| 周口坳陷早白垩世主要发育冲积扇相、河流相、湖泊相、扇三角洲相和三角洲相等类型,其中谭庄-沈丘凹陷沉积相带呈东西向狭长展布,是一个典型的断陷盆地。本文在讨论了湖盆的物源、古地形、古水流、水介质条件及古气候条件的基础上,提出了早白垩世时周口坳陷的沉积格局。 |
| 关键词: 谭庄-沈丘凹陷 早白垩世 沉积相 沉积格局 |
| DOI： |
| 附件 |
| 投稿时间：1995-04-05 |
| 基金项目: |
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| SEDIMENTARY FACIES AND FRAMEWORK OF THE LOWER CRETACEOUS STRATA IN THE ZHOUKOU DEPRESSION |
| Li Wenhou, Chen Jingwei, Shao Lei |
| (Department of Geology, Northwest China University) |
| Abstract: |
| The sedimentary facies types of alluvial fans,fluvial deposits,fan deltas and normal deltaic deposits prevail in the Lower Cretaceous strata in the Zhoukou depression in which the Tanzhuang-Shenqiu facies zone appears in a EW-oriented narrow form.The sedimentary framework of the Zhoukou depression during Early Cretaceous time has been ascer-tained on the basis of the study of provenances,palaeotopography,palaeocurrent,water media and palaeoclimates. |
| Key words: Tanzhuang-Shenqiu depression Early Cretaeeous sedimentary facies sedimentary framework |
