岩屑砂岩
一种岩屑含量大于25%的砂岩。岩屑多为隐晶质的细粒岩石，如喷出岩、板岩、千枚岩、泥页岩，胶结物多为硅质及隐晶质碳酸盐质等，属不稳定的及成熟度低的组分。当岩石杂基的含量大于15%时，则属岩屑杂砂岩(lithic graywacke)；当砂粒中石英的含量超过75%时，则过渡为岩屑石英砂岩(lithic quartz sandstone)。岩屑砂岩是一种不成熟的快速堆积物，是构造变动强烈地区的产物，常在山前冲积扇、山间盆地及河流相中产出。
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contributed at 2011-09-27
Classification(s)
●
Earth System(in Chinese) Sedimentology and sedimentary petrology
Detailed Description
| English |
|---|
| Name | lithic sandstone |
| Chinese |
|---|
| Name | 岩屑砂岩 |
| Description | 一种岩屑含量大于25%的砂岩。岩屑多为隐晶质的细粒岩石，如喷出岩、板岩、千枚岩、泥页岩，胶结物多为硅质及隐晶质碳酸盐质等，属不稳定的及成熟度低的组分。当岩石杂基的含量大于15%时，则属岩屑杂砂岩(lithic graywacke)；当砂粒中石英的含量超过75%时，则过渡为岩屑石英砂岩(lithic quartz sandstone)。岩屑砂岩是一种不成熟的快速堆积物，是构造变动强烈地区的产物，常在山前冲积扇、山间盆地及河流相中产出。 |
How to Cite
NNU_Group (2011). 岩屑砂岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/6fcf76e0-4f3e-47c3-b174-5b8b6882ea58
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