| 许顺山,吕古贤,鲁安怀.米山断裂构造变形特征及其意义[J].地质找矿论丛,1997,(3):49-57 |
| 米山断裂构造变形特征及其意义 |
| STRUCTURAL DEFORMATION OF MISHAN FAULT AND ITS SIGNIFICANCE |
| 投稿时间：1997-03-03 修订日期：1997-06-17 |
| DOI：10.6053/j.issn.1001-1412.1997.3. 006 |
| 中文关键词: 米山断裂 韧性变形 断裂控矿 金矿成矿 |
| 英文关键词:Mishan fault ductile deformation fault ore-controlling gold metallogensis |
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| 中文摘要: |
| 米山断裂是─多期变形断裂,早期以韧性变形为主,后期以脆性变形为主,断裂变形具有准对称性,西盘变形强度大于东盘。变形强度决定了断裂带的烛变及矿化特点,蚀变的分带结构与断裂的不同的矿化特征都与断裂的变形有关,因此米山断裂的生成与发展,对胶东东部的成岩成矿具有重要作用,它控制了燕山早期花岗岩的侵入,韧性变形作用是金矿成矿的必要条件。 |
| 英文摘要: |
| Mishan fault is considered as a multi-period deformation fault with ductile deformation in early period and brittle deformation in later period. The deformation is characterized by parasym-metry, higher degree in west wall than in east wall. Characteristic of alteration zoning and min-eralization zoning depends on the deformation intensity. Main alteration is intense silicification Therefore, formation and devolopment of Mishan fault is important to petrogenesis and metallo-genesis in east Jiaodong. It controlls granite emplacement in early Yanshanian movement. Itsductile deformation is basic condition of gold metallogensis |
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