粉砂岩
一种细碎屑岩，其中粒径为0.025～0.0039毫米的粉砂的含量占50%以上，其余为砂、粘土或化学沉淀物。粉砂的成分以石英为主，其次为白云母和长石，岩屑少见，重矿物含量比砂岩多，可高达2%～3%。碎屑的磨圆度不好，常呈棱角状。胶结物以钙质、铁质为主。红层及煤系地层中经常遇到粉砂岩，黄土也是一种疏松或半固结的粉砂沉积物。
68
Alias
Contributor
contributed at 2011-09-27
Classification(s)
●
Earth System(in Chinese) Sedimentology and sedimentary petrology
Detailed Description
| English |
|---|
| Name | siltstone |
| Chinese |
|---|
| Name | 粉砂岩 |
| Description | 一种细碎屑岩，其中粒径为0.025～0.0039毫米的粉砂的含量占50%以上，其余为砂、粘土或化学沉淀物。粉砂的成分以石英为主，其次为白云母和长石，岩屑少见，重矿物含量比砂岩多，可高达2%～3%。碎屑的磨圆度不好，常呈棱角状。胶结物以钙质、铁质为主。红层及煤系地层中经常遇到粉砂岩，黄土也是一种疏松或半固结的粉砂沉积物。 |
How to Cite
NNU_Group (2011). 粉砂岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/e88e6f38-ceec-488c-bc30-3a628a9f8111
Copy
Copyright and Disclaimer
All copyrights of a material (model, data, article, etc.) in the OpenGMS fully belong to its author/developer/designer (or any other wording about the owner). The OpenGMS takes every care to avoid copyright infringement, contributor(s) should carefully employ materials from other sources and give proper citations.
