角闪石 角岩相
一种中温接触变质相。不同原岩形成的典型变质矿物组合如下：基性岩为普通角闪石+直闪石/透辉石+斜长石+石英(±黑云母)；角闪石角岩相泥质岩石为红柱石+白云母+堇青石+斜长石+石英(±黑云母)；泥质石灰岩为方解石+透辉石+钙铝榴石(±黑云母)，硅灰石偶尔出现。角闪石角岩相的温度下限(它与钠长石绿帘石角岩相的界线)为540℃左右，温度上限(它与辉石角岩相的界线)为630℃左右，压力在0.2吉帕以下。
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Contributor
contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Metamorphic petrology
Detailed Description
| English |
|---|
| Name | hornblendehornfels facies |
| Chinese |
|---|
| Name | 角闪石 角岩相 |
| Description | 一种中温接触变质相。不同原岩形成的典型变质矿物组合如下：基性岩为普通角闪石+直闪石/透辉石+斜长石+石英(±黑云母)；角闪石角岩相泥质岩石为红柱石+白云母+堇青石+斜长石+石英(±黑云母)；泥质石灰岩为方解石+透辉石+钙铝榴石(±黑云母)，硅灰石偶尔出现。角闪石角岩相的温度下限(它与钠长石绿帘石角岩相的界线)为540℃左右，温度上限(它与辉石角岩相的界线)为630℃左右，压力在0.2吉帕以下。 |
How to Cite
NNU_Group (2011). 角闪石 角岩相, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/ea57ecb1-1189-4757-9590-330f1b30d64f
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