前构造期结晶作用
变质矿物形成于构造变形之前。主要标志如下：①矿物晶体具有明显的变形和碎裂现象；②变斑晶矿物被后成片理包围，有的在两端可形成压力影；③变斑晶中包裹体矿物的排列方向与基质中的片理方向不一致。
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contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Metamorphic petrology
Detailed Description
| English |
|---|
| Name | pretectonic crystallization |
| Chinese |
|---|
| Name | 前构造期结晶作用 |
| Description | 变质矿物形成于构造变形之前。主要标志如下：①矿物晶体具有明显的变形和碎裂现象；②变斑晶矿物被后成片理包围，有的在两端可形成压力影；③变斑晶中包裹体矿物的排列方向与基质中的片理方向不一致。 |
How to Cite
NNU_Group (2011). 前构造期结晶作用, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/b3da93e8-920b-4757-ba3b-200c83ae458c
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