碱性正长岩

又称含副长石碱性正长岩(foid bearing alkali syenite)。可用于过碱性正长岩。一种以碱性长石为主,而深色矿物为碱性辉石或碱性角闪石的正长岩。一般含有少量副长石(占长英质矿物的不到10%)。常与霞石正长岩等伴生。

Concept & Semantic
  49

Alias

碱性正长岩

Contributor

contributed at 2011-10-09

Classification(s)

Earth System(in Chinese)Igneous petrology

Detailed Description

English
Name alkali feldspar syenite
Chinese
Name 碱性正长岩
Description 又称含副长石碱性正长岩(foid bearing alkali syenite)。可用于过碱性正长岩。一种以碱性长石为主,而深色矿物为碱性辉石或碱性角闪石的正长岩。一般含有少量副长石(占长英质矿物的不到10%)。常与霞石正长岩等伴生。

How to Cite

NNU_Group (2011). 碱性正长岩, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/d955381e-a51b-4961-992f-0aee45b0bfa0
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Contributor

contributed at 2011-10-09

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