石英砂岩
又称正石英岩。砂岩中石英的含量大于90%，仅含少量的长石及其他岩屑和重矿物。碎屑颗粒以单晶石英为主，磨圆度和分选性都比较好，因此成分成熟度和结构成熟度都是砂岩中最好的。胶结物中都为硅质，有次生加大，钙质和铁质次之，杂基很少或没有，颗粒支撑。可分为硅质石英砂岩、石英岩状砂岩、沉积石英岩。
99
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contributed at 2011-09-27
Classification(s)
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Earth System(in Chinese) Sedimentology and sedimentary petrology
Detailed Description
| English |
|---|
| Name | quartz sandstone |
| Chinese |
|---|
| Name | 石英砂岩 |
| Description | 又称正石英岩。砂岩中石英的含量大于90%，仅含少量的长石及其他岩屑和重矿物。碎屑颗粒以单晶石英为主，磨圆度和分选性都比较好，因此成分成熟度和结构成熟度都是砂岩中最好的。胶结物中都为硅质，有次生加大，钙质和铁质次之，杂基很少或没有，颗粒支撑。可分为硅质石英砂岩、石英岩状砂岩、沉积石英岩。 |
How to Cite
NNU_Group (2011). 石英砂岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/f7782bf8-d59a-4037-996c-30066d1a20f8
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