粘土岩
又称泥质岩(argillite,argillaceous rock,pelite)。一种主要由粒径小于0.0039毫米(重结晶后＜0.01毫米)颗粒组成，并含大量粘土矿物(高岭石、蒙脱石、水云母等)的沉积岩。大多为母岩风化的极细碎屑物质呈悬浮物被搬运经沉积而成。疏松的称为粘土，固结的称为泥岩、页岩。粘土岩中除粘土矿物外还含石英、长石、云母等碎屑矿物及自生非粘土矿物。美国学者采用泥质岩的概念包括了粉砂岩。粘土岩因质点极细，故肉眼与显微镜不能准确地鉴定它的矿物成分，需要用电子显微镜、X射线衍射、差热分析等综合研究方法。
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Alias
Contributor
contributed at 2011-09-27
Classification(s)
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Earth System(in Chinese) Sedimentology and sedimentary petrology
Detailed Description
| English |
|---|
| Name | clay rock |
| Chinese |
|---|
| Name | 粘土岩 |
| Description | 又称泥质岩(argillite,argillaceous rock,pelite)。一种主要由粒径小于0.0039毫米(重结晶后＜0.01毫米)颗粒组成，并含大量粘土矿物(高岭石、蒙脱石、水云母等)的沉积岩。大多为母岩风化的极细碎屑物质呈悬浮物被搬运经沉积而成。疏松的称为粘土，固结的称为泥岩、页岩。粘土岩中除粘土矿物外还含石英、长石、云母等碎屑矿物及自生非粘土矿物。美国学者采用泥质岩的概念包括了粉砂岩。粘土岩因质点极细，故肉眼与显微镜不能准确地鉴定它的矿物成分，需要用电子显微镜、X射线衍射、差热分析等综合研究方法。 |
How to Cite
NNU_Group (2011). 粘土岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/acd5894d-abd0-4058-8d84-4b44ca0e0580
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