微晶
炽热的熔岩流出地表，由于骤然冷却，迅速结晶形成比雏晶稍大的细小晶体的轮廓，但生成还不完全。在偏光显微镜下，有光性反应。有的呈长条形、毡状，有的呈粒状隐晶质集合体。这种结构叫做微晶结构或霏细结构，常见于隐晶质的火山岩中。
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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 | microlite |
| Chinese |
|---|
| Name | 微晶 |
| Description | 炽热的熔岩流出地表，由于骤然冷却，迅速结晶形成比雏晶稍大的细小晶体的轮廓，但生成还不完全。在偏光显微镜下，有光性反应。有的呈长条形、毡状，有的呈粒状隐晶质集合体。这种结构叫做微晶结构或霏细结构，常见于隐晶质的火山岩中。 |
How to Cite
NNU_Group (2011). 微晶, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/f40f693c-d5dc-439f-866a-2644d626e725
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