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[1]王新征.颗粒流沉积过程中的同沉积冲刷变形构造[J].地球科学与环境学报,2004,26(03):13-16.
　WANG Xin-zheng.Syndepositional scoured deformation structure in grain flow deposition[J].Journal of Earth Sciences and Environment,2004,26(03):13-16.
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颗粒流沉积过程中的同沉积冲刷变形构造(PDF)
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第26卷
期数:
2004年第03期
页码:
13-16
栏目:
出版日期:
2004-09-20

文章信息/Info

Title:
Syndepositional scoured deformation structure in grain flow deposition
作者:
王新征
中国科学院地质与地球物理研究所,北京100029
Author(s):
WANG Xin-zheng
Institute of Geology and Geophysics , Chinese Academy of Science , Beijing 100029 , China
关键词:
济阳拗陷; 颗粒流; 冲刷变形构造; 砂楔; 脉状拖曳痕
Keywords:
Jiyang depression ; grain flow ; scoured deformation structure
分类号:
P588.2
DOI:
-
文献标志码:
A
摘要:
济阳拗陷坨147井沙三段岩心的颗粒流沉积中,存在一系列特殊的同沉积期变形构造,包括: 颗粒流向下侵蚀,并沿纹层面挤入到下伏油页岩层中,形成伸长状的小砂体;砂楔上部的泥页岩薄层在 后续流体的冲刷下向后翻卷变形;翻卷片被撕裂、断开混入到颗粒流中,并被流体拖曳变形;变形体被继 续拖曳形成脉状分叉的拖曳痕。上述几种现象可以构成一个连续的变化序列,与油页岩的薄互层和颗 粒流的流体是形成上述连续变形构造的重要条件。对这种现象的研究,有助于进一步了解重力流的冲 刷、沉积过程。
Abstract:
A series of syndepositional deformation structures were developed in grain flow deposition of the third member of the Shahejie formation of well Tuo147, Jiyang depression , including :small extended-sharpe sand called sand wedge)formed by scouring of grain flow and squeezing of sand into underlying oil shale along liminate ;turned-over deformation of thin-layered oil shale called turned-over slice) due to scouring of later flow ;deformation produced by tearing up of turned-over slice , and then wrapping into grain flow and being dragged by vein-like branch formed by continous dragging of the deformation body.These structures can form a continuous deformation sequence .The important factors to form these structure are thin layers of oil shale and grain flow .

参考文献/References:

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[4] Middleton G V, HamptonM A .Sediment gravity flow :mechani cs of flow and deposition[A] .In :MiddletonG V, Bouma A H .Turbidites and deep water sedimentation[C] .Anaheim :SEPM Pacif ic sec. Short Course Notes , 1973 .
[5] Lowe D R.Sediment gravity f lows :depositional models with special ref erence to the deposits of high-density turbidity currents[J].Journal of Sedimentary Petrology, 1982, 521):279 ～ 297 .
[6] Sanders J E .Primary sediment ary structures formed by turbidity current s and related resedimentation mechanics[J] .SPEM Special Publication , 1965 , 12 :192 ～ 289 .
[7] 王冠民 , 吴李泉 .斜 坡颗粒流 末端可以存 在微型 沟道[J] .特 种油气藏, 2001 , 84):20 ～ 22 .

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备注/Memo

备注/Memo:
[收稿日期]2003-09-02
[作者简介]王新征1966-),男,山东广饶人,胜利油田高级工程师,中国科学院博士研究生,现主要从事油气资源勘探开发工作。
更新日期/Last Update: 2004-09-20