片岩
具明显片状构造的变质岩石。一般以云母、绿泥石、滑石、角闪石等片状或柱状矿物为主，并呈定向排列。粒状矿物含量大于30%，主要为石英和长石，石英含量一般大于长石，长石含量常小于25%。此外常含有红柱石、蓝晶石、石榴子石、堇青石、十字石、绿帘石及蓝闪石等变质矿物。具鳞片变晶结构或纤状变晶结构，粒度比千枚岩较粗，有时具斑状变晶结构。片岩可根据主要的片状或柱状矿物进行分类，如云母片岩、角闪片岩、绿片岩等。
77
Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Igneous petrology
Detailed Description
| English |
|---|
| Name | schist |
| Chinese |
|---|
| Name | 片岩 |
| Description | 具明显片状构造的变质岩石。一般以云母、绿泥石、滑石、角闪石等片状或柱状矿物为主，并呈定向排列。粒状矿物含量大于30%，主要为石英和长石，石英含量一般大于长石，长石含量常小于25%。此外常含有红柱石、蓝晶石、石榴子石、堇青石、十字石、绿帘石及蓝闪石等变质矿物。具鳞片变晶结构或纤状变晶结构，粒度比千枚岩较粗，有时具斑状变晶结构。片岩可根据主要的片状或柱状矿物进行分类，如云母片岩、角闪片岩、绿片岩等。 |
How to Cite
NNU_Group (2011). 片岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/20422a05-86a0-4093-a790-33badbc2ae78
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