| 骨节状香肠构造形成机制研究——以湖北铁山为例 |
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| 关键词:bone-shaped boudinage structure joining fission filling vein Tieshan in Daye Hubei |
| 基金项目:国家自然科学基金项目(编号49972068); 国家理科基地创建优秀名牌课程项目; 中国地质大学(武汉)地质学理科基地基金 |
| 作者 | 单位 | E-mail | | 李泉 | 中国地质大学地球科学学院,湖北武汉,430074；中国科学院地质与地球物理研究所,北京,100029 | quanli@mail.iggcas.ac.cn | | 曾佐勋 | 中国地质大学地球科学学院,湖北武汉,430074；华中构造力学研究中心,湖北武汉,430074 | | | 张鲲 | 中国地质大学地球科学学院,湖北武汉,430074 | |
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| 摘要: |
| The Formation Mechanism of Bone-Shaped Boudinage: A Case Study of Tieshan, Hubei |
| Detailed studies of bone_shaped boudinage structure found in Tieshan of Daye, Hubei Province, were conducted with the purpose of finding out its for mation mechanism. Thirteen types of bone_shaped boudinage are distinguished in the light of the configuration of joining fission and boudin_layers and the sequence of filling veins in joining fission and the formation of boudins. Identifications of substances forming bone_shaped boudinage under polarizing microscope show that the competent layer has undergone at least two periods of deformation. Three types of formation mechanism are recognized: 1) the overlapping of two periods of compression perpendicular to the layer; 2) the overlapping of early compression perpendicular to the layer with late shear parallel to layer; 3) the overlapping of compression perpendicular to the layer with compression parallel to the layer. |
| LI Quan,ZENG Zuo-xun,ZHANG Kun.2006.The Formation Mechanism of Bone-Shaped Boudinage: A Case Study of Tieshan, Hubei[J].Acta Geoscientica Sinica,27(3):201-206. |
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