利用鱼嘴构造恢复岩层初始厚度的初步方法

doi:10.11867/j.issn.1001-8166.2004.02.0316

地球科学进展 ›› 2004, Vol. 19 ›› Issue (2): 316 -320. doi: 10.11867/j.issn.1001-8166.2004.02.0316

吴武军 ^1，2;曾佐勋 ^1，2;刘立林 ^1，2

中国地质大学地球科学学院华中构造力学研究中心，湖北武汉 430074

收稿日期:2003-06-16 修回日期:2003-10-15 出版日期:2004-12-20
通讯作者: 吴武军（1976-），男，湖北省通城人，硕士研究生，主要从事构造地质研究. E-mail:E-mail：richard_wwj@etang.com
基金资助:
国家自然科学基金项目“香肠构造流变计研究”（编号：49972068）资助

PRIMARY MOTHED TO RESUME ORIGINAL THICKNESS OF STRATUM BY USE OF FISH HEAD BOUDIN

WU Wujun ^1，2, ZENG Zuoxun ^1，2, LIU Lilin ^1，2

1.Faculty of Earth Sciences, China University of Geosciences，Wuhan 430074, China; 2.Huazhong Tectonmechanical Research Center, Wuhan 430074, China

Received:2003-06-16 Revised:2003-10-15 Online:2004-12-20 Published:2004-04-01

作为一种由于岩石能干性差异而形成的构造形迹，鱼嘴构造对于研究岩石变形和岩石流变性质具有独特的意义。基于此，根据其发育程度，将鱼嘴构造划分成 A、B、C、D、E5种基本类型，研究了鱼嘴构造的形态特点以及鱼嘴的周缘长度与岩层初始厚度之间的关系，利用物理模拟的手段，模拟出 B、C、D、E4种类型的鱼嘴构造，相应地得出了利用这 4类鱼嘴构造恢复岩层初始厚度的系数 K 1、K 2，K 3，K 4并成功地运用于实际岩石能干层初始厚度恢复。

关键词: 初始厚度, 物理模拟, 鱼嘴（石香肠）构造

As a kind of structure due to the difference of rock's rheological character, there is great meaning to study deformation and rheology of rock by means of fish head boudin. Based on the development of Fish head boundin, the unique shape of boundinage can be classified into the following 5 types, they are A type, B type, C type, D type and E type, respectively. The authors modeled B、C、D type and E type of fish head boundin in physical laboratory, and studied the relationship between the length of fish head and the original thickness of layer, and put forward a new method to resume original thickness of layer by use of fish head boundin. Accordingly, K₁、 K₂ 、K₃ and K₄ are available, and practically being used in resuming original thickness of deformed stratum.

Key words: Fish head boundin, Original thickness, Physical modeling.

中图分类号:

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