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| 重力驱动作用——滦平盆地下白垩统西瓜园组沉积时期主要的搬运机制 | |
| 引用本文： | 耳闯,顾家裕,牛嘉玉,程妮,韩少飞.重力驱动作用——滦平盆地下白垩统西瓜园组沉积时期主要的搬运机制[J].地质论评,2010,56(3):312-320. |
| 作者姓名： | 耳闯 顾家裕 牛嘉玉 程妮 韩少飞 |
| 作者单位： | 1. 中国石油勘探开发研究院,北京,100083 2. 延长石油有限公司靖边采油厂,陕西靖边,718500 3. 长庆油田分公司第一采气厂,陕西靖边,718500 |
| 基金项目： | 中国石油天然气股份有限公司科技攻关项目 |
| 摘 要： | 通过对冀北滦平盆地下白垩统西瓜园组沉积地层的实地考察,发现盆地内发育丰富的重力驱动作用沉积物。文中描述西瓜园组发育的滑动和滑塌现象,指出露头剖面中存在的挤压变形现象并非构造成因,而是由于滑动块体和滑塌块体前端的挤压应力环境造成的。在介绍西瓜园组重力流沉积发育环境的基础上,对露头中存在的若干重力流沉积进行了描述,并使用砂质碎屑流这一概念对这些现象进行了较为合理的成因解释。通过对滑动和滑塌(重力块体运动)和砂质碎屑流—浊流(重力流)沉积物研究,结合前人对该地区冲积扇—扇三角洲的研究成果,认为重力驱动作用是滦平盆地下白垩统西瓜园组沉积时期主要的搬运机制。 |
| 关 键 词： | 滦平盆地 下白垩统 重力驱动作用 滑动 滑塌 砂质碎屑流 搬运机制 河北省 |
Gravity-Driven Processes: a More Important Transport Mechanism of Deposits in Xiguayuan Formation of Lower Cretaceous in Luanping Basin, Northern Hebei |
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| ER Chuang,GU Jiayu,NIU Jiayu,CHENG Ni,HAN Shaofei.Gravity-Driven Processes: a More Important Transport Mechanism of Deposits in Xiguayuan Formation of Lower Cretaceous in Luanping Basin, Northern Hebei[J].Geological Review,2010,56(3):312-320. | |
| Authors: | ER Chuang GU Jiayu NIU Jiayu CHENG Ni HAN Shaofei |
| Institution: | ER Chuang1),GU Jiayu1),NIU Jiayu1),CHENG Ni2),HAN Shaofei3)1) Research Institute of Petroleum Exploration & Development,PetroChina,Beijing,100083,2) Jingbian Oil Plant of Yanchang Oilfield Company,Jingbian,Shaanxi,718500,3) The First Gas Plant of Changqing Oilfield Company |
| Abstract: | Based on the observation in field, it is indicated that deposits of gravity-driven process are well developed in the Xiguayuan Formation of Low Cretaceous in the Luanping Basin, Northern Hebei. The slide and slump deposits in the Xiguayuan Formation are described. It is indicated that some compression deformations in the outcrop are formed by sedimentary process rather than tectonic origin. After introducing the sedimentary environment of the gravity flow deposit in the Xiguayuan Formation, some gravity flo... |
| Keywords: | Luanping Basin Lower Cretaceous gravity-driven processes slide slump sandy debris flow transport mechanism northern Hebei |
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