析离体
又称异离体。在岩浆结晶过程中，有一部分早期结晶矿物相对集中，呈团块状或条带状分布在岩体中，其边缘界线有时不清，逐渐消失。析离体因受岩浆流动影响常与流动方向平行，呈定向排列。橄榄岩中常见铬铁矿析离体，基性岩中常见橄榄石析离体。
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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 | schlieren |
| Chinese |
|---|
| Name | 析离体 |
| Description | 又称异离体。在岩浆结晶过程中，有一部分早期结晶矿物相对集中，呈团块状或条带状分布在岩体中，其边缘界线有时不清，逐渐消失。析离体因受岩浆流动影响常与流动方向平行，呈定向排列。橄榄岩中常见铬铁矿析离体，基性岩中常见橄榄石析离体。 |
How to Cite
NNU_Group (2011). 析离体, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/42002158-95d4-4c55-ae68-48063b6748fb
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