辉绿结构
浅成基性岩特有的结构。因辉绿岩常具有此结构，故名。在肉眼或偏光显微镜下，岩石中斜长石和辉石的大小相近，或辉石略大于斜长石。斜长石呈自形板条状交织分布，而他形粒状辉石则充填在斜长石板条状晶粒构成的三角形空隙中间，并部分包裹了斜长石晶体的端缘。有的又称嵌晶含长结构。粗面结构基质由近平行排列的透长石组成，斑晶为长石。
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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 | diabasic texture |
| Chinese |
|---|
| Name | 辉绿结构 |
| Description | 浅成基性岩特有的结构。因辉绿岩常具有此结构，故名。在肉眼或偏光显微镜下，岩石中斜长石和辉石的大小相近，或辉石略大于斜长石。斜长石呈自形板条状交织分布，而他形粒状辉石则充填在斜长石板条状晶粒构成的三角形空隙中间，并部分包裹了斜长石晶体的端缘。有的又称嵌晶含长结构。粗面结构基质由近平行排列的透长石组成，斑晶为长石。 |
How to Cite
NNU_Group (2011). 辉绿结构, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/4eb2a0aa-67a9-4679-8b46-191a0e7c580b
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