脉岩
经常呈脉状产出的火成岩。它们在空间分布上常与一定的深成岩体有密切关系：产于深成岩体内。或产在岩体附近的围岩中。有的脉岩以其成分与深成岩不同，分为两类：①浅色脉岩，浅色矿物特别集中，如细晶岩、伟晶岩；②深色脉岩，深色矿物特别集中，如煌斑岩。有的脉岩其成分与深成岩相似，而被划分为花岗斑岩、闪长玢岩等。
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Contributor
contributed at 2011-09-29
Classification(s)
●
Earth System(in Chinese) Igneous petrology
Detailed Description
| English |
|---|
| Name | dike rock |
| Chinese |
|---|
| Name | 脉岩 |
| Description | 经常呈脉状产出的火成岩。它们在空间分布上常与一定的深成岩体有密切关系：产于深成岩体内。或产在岩体附近的围岩中。有的脉岩以其成分与深成岩不同，分为两类：①浅色脉岩，浅色矿物特别集中，如细晶岩、伟晶岩；②深色脉岩，深色矿物特别集中，如煌斑岩。有的脉岩其成分与深成岩相似，而被划分为花岗斑岩、闪长玢岩等。 |
How to Cite
NNU_Group (2011). 脉岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/b2121cbc-61e7-40ad-a499-1ae044b7d519
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