霏细岩
最初用于具微晶质基质的斑岩，而现在普遍用于花岗质成分的微晶质岩石。酸性超浅成岩或浅成侵入岩的一种。是具有无斑隐晶质结构或霏细结构的流纹斑岩。浅色，主要由石英和长石组成。基质脱玻化现象很明显，在重结晶以后出现微晶和雏晶。如呈放射状排列，称为球粒结构。霏细岩如具有长石斑晶，则称为霏细斑岩(felsophyre)。
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contributed at 2011-10-09
Classification(s)
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Earth System(in Chinese) Igneous petrology
Detailed Description
| English |
|---|
| Name | felsite |
| Chinese |
|---|
| Name | 霏细岩 |
| Description | 最初用于具微晶质基质的斑岩，而现在普遍用于花岗质成分的微晶质岩石。酸性超浅成岩或浅成侵入岩的一种。是具有无斑隐晶质结构或霏细结构的流纹斑岩。浅色，主要由石英和长石组成。基质脱玻化现象很明显，在重结晶以后出现微晶和雏晶。如呈放射状排列，称为球粒结构。霏细岩如具有长石斑晶，则称为霏细斑岩(felsophyre)。 |
How to Cite
NNU_Group (2011). 霏细岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/514afdb3-150c-4cfe-b81f-07d23f6d5da4
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