| 三角洲前缘滑塌浊积岩形成过程初探 |
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| 引用本文： | 鄢继华,陈世悦,宋国奇,姜在兴,邱桂强.三角洲前缘滑塌浊积岩形成过程初探[J].沉积学报,2004,22(4):573-578. |
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| 作者姓名： | 鄢继华 陈世悦 宋国奇 姜在兴 邱桂强 |
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| 作者单位： | 1.石油大学地球资源与信息学院 山东东营 257061; |
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| 摘 要： | 通过室内水槽实验模拟了三角洲前缘滑塌浊积岩的形成过程,总结出四种滑塌浊积岩类型,即无触发机制的天然重力滑塌、地震诱发作用产生的滑塌、波浪作用产生的滑塌和与底形相关的砂岩透镜体。实验结果表明,外界触发机制是形成三角洲前缘滑塌浊积岩的重要条件,底形的变化结合波浪、地震等外界触发机制的作用更容易在三角洲前缘形成滑塌浊积体。此外,被破坏和改造的三角洲前缘更易找到滑塌浊积体;相反,形态规则、保存完好的三角洲前缘反而不利于滑塌浊积岩的形成。
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| 关 键 词： | 三角洲 滑塌浊积岩 水槽实验 地震作用 波浪作用 |
| 文章编号： | 1000-0550(2004)04-0573-06 |
| 收稿时间： | 2003-12-25 |
| 修稿时间： | 2003年12月25日 |
Preliminary Study on the Formation of Fluxoturbidite in Front of Delta |
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| YAN Ji hua,CHEN Shi yue,SONG Guo qi,JIANG Zai xing,QIU Gui qiang.Preliminary Study on the Formation of Fluxoturbidite in Front of Delta[J].Acta Sedimentologica Sinica,2004,22(4):573-578. |
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| Authors: | YAN Ji hua CHEN Shi yue SONG Guo qi JIANG Zai xing QIU Gui qiang |
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| Institution: | 1.Faculty of Geo Resources and Information, University of Petroleum, Dongying, Shandong 257061;2.Geological Scientific Research Institute, Shengli Petroleum Administration, Dongying, Shandong 257015 |
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| Abstract: | According to the in door flume experiment simulations, the formation of fluxoturbidite in front of delta is studied. It is summarized that there are four kinds of fluxoturbidite in front of delta. They are the fluxoturbidite with no trigger action and one associated with seismic process, one with wave action and sandstone lens correlative with landform. The experiments suggest that trigger actions are the most important conditions to form fluxoturbidite in front of delta. Together with wave action and seismic process, the change of landform can promote forming fluxoturbidite. Also, the fluxoturbidite can be found easily in front of the delta where the delta front has been destroyed and rebuilt. In contrast, the regular and good reserved delta front is disadvantaged to form fluxoturbidite. |
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| Keywords: | delta fluxoturbidite flume experiment seismic process wave action |
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