辉石安山岩
以辉石为主要铁镁矿物斑晶的安山岩。斑晶辉石一般为普遍辉石、透辉石、古铜辉石、紫苏辉石，而易变辉石则较少见。斜长石斑晶一般为拉长石－中长石，多具环带结构。基质由斜长石、紫苏辉石、普通辉石、易变辉石、磁铁矿、鳞石英、方英石、碱性长石等组成，具填间、毡状至玻璃质结构。一般产于造山带。中国东部中生代火山岩有此种岩石分布。
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contributed at 2011-10-09
Classification(s)
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Earth System(in Chinese) Igneous petrology
Detailed Description
| English |
|---|
| Name | pyroxene andesite |
| Chinese |
|---|
| Name | 辉石安山岩 |
| Description | 以辉石为主要铁镁矿物斑晶的安山岩。斑晶辉石一般为普遍辉石、透辉石、古铜辉石、紫苏辉石，而易变辉石则较少见。斜长石斑晶一般为拉长石－中长石，多具环带结构。基质由斜长石、紫苏辉石、普通辉石、易变辉石、磁铁矿、鳞石英、方英石、碱性长石等组成，具填间、毡状至玻璃质结构。一般产于造山带。中国东部中生代火山岩有此种岩石分布。 |
How to Cite
NNU_Group (2011). 辉石安山岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/235f9abc-c5ca-410e-8478-4202ddfebfa6
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