syenite
英[\'saɪəˌnaɪt]
美[\'saɪəˌnaɪt]
基本释义
- n.
- 正长岩（主要由长石和角闪石构成的灰色晶状岩石，有些含有石英）
实用例句
The Yefushan rock mass is mainly composed of quartz syenite porphyry.
冶父山岩体主体岩性为石英正长斑岩.
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Generally, the intrusions is small and lithologic compositions mainly include diorite, adamellite or syenite.
侵入岩体规模一般较小,岩性主要为闪长岩类 、 石英(二长)斑岩类或正长岩类的中酸性岩石.
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