交代斑状结构

交代结构的一种。特征是交代成因的矿物呈较大的自形或眼球状斑晶，以长石的斑晶最普遍；斑晶中常有交代残留的基质矿物；斑晶常切割变质岩的片理，而片理又可在斑晶中断续通过；斑晶推开变质岩片理的现象不显著；斑晶在岩石中分布不均匀，大小不等。

Concept & Semantic

Alias

交代斑状结构

Contributor

NNU_Group

contributed at 2011-10-11

Classification(s)

●

Earth System(in Chinese)

Igneous petrology

Detailed Description

English

Name	metasomatic porphyritic texture

Chinese

Name	交代斑状结构
Description	交代结构的一种。特征是交代成因的矿物呈较大的自形或眼球状斑晶，以长石的斑晶最普遍；斑晶中常有交代残留的基质矿物；斑晶常切割变质岩的片理，而片理又可在斑晶中断续通过；斑晶推开变质岩片理的现象不显著；斑晶在岩石中分布不均匀，大小不等。

How to Cite

NNU_Group (2011). 交代斑状结构, Concept & Semantic, OpenGMS, https://geomodeling.njnu.edu.cn/repository/concept/6da056b1-d5f0-4540-b384-3003cb69949e

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