平凉组
时代属晚奥陶世艾家山期。分布于宁夏贺兰山、固原，甘肃平凉，陕西陇县、麟游一带。命名地点在平凉官庄。为浅海相钙质页岩及砂质页岩沉积，所含笔石相当于Glyptograptus teretiusculus带至Nemagraptus gracilis带。在陕西陇县龙门洞发现平凉组下部除了上述笔石带外，还包含Climacograptus peltifer带，上部含Dicranograptus sp.。共厚152米。整合在相当宁国期晚期的薄层灰岩之上，与上覆背锅山组呈假整合接触。
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contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Pingliang Fm |
| Chinese |
|---|
| Name | 平凉组 |
| Description | 时代属晚奥陶世艾家山期。分布于宁夏贺兰山、固原，甘肃平凉，陕西陇县、麟游一带。命名地点在平凉官庄。为浅海相钙质页岩及砂质页岩沉积，所含笔石相当于Glyptograptus teretiusculus带至Nemagraptus gracilis带。在陕西陇县龙门洞发现平凉组下部除了上述笔石带外，还包含Climacograptus peltifer带，上部含Dicranograptus sp.。共厚152米。整合在相当宁国期晚期的薄层灰岩之上，与上覆背锅山组呈假整合接触。 |
How to Cite
NNU_Group (2011). 平凉组, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/d3f8196c-80f2-425c-8f16-451c9a519da6
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