小石户沟组
时代属早志留世早期。主要由绿灰色、深灰色砂质页岩、粉砂岩、砂砾岩夹凝灰岩等组成。与上覆肮脏沟组呈整合接触，与下伏奥陶系呈超覆不整合接触。包含三个笔石带：Glyptograptus kaochiapienensis带,Demirastrites triangulatus带，Monograptus sedgwickii带。厚1726米，向西至玉门白杨河一带为1625米；向东至山丹小石碑沟上游地区岩性变细，底部出现712米厚的砂砾岩层，厚度大于2291米，再东至青海省境内变薄。
96
Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Xiaoshihugou Fm |
| Chinese |
|---|
| Name | 小石户沟组 |
| Description | 时代属早志留世早期。主要由绿灰色、深灰色砂质页岩、粉砂岩、砂砾岩夹凝灰岩等组成。与上覆肮脏沟组呈整合接触，与下伏奥陶系呈超覆不整合接触。包含三个笔石带：Glyptograptus kaochiapienensis带,Demirastrites triangulatus带，Monograptus sedgwickii带。厚1726米，向西至玉门白杨河一带为1625米；向东至山丹小石碑沟上游地区岩性变细，底部出现712米厚的砂砾岩层，厚度大于2291米，再东至青海省境内变薄。 |
How to Cite
NNU_Group (2011). 小石户沟组, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/6bbf63f3-f540-4f2e-8f29-2cd80df702a6
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