铜街子组
时代属早三叠世。分布于四川西南部。命名地点在大渡河下游的乐山铜街子附近。为浅海相泥沙质、灰质沉积。下部为紫色页岩及砂岩互层，夹灰岩数层，厚100米，含双壳类Eumorphotis inaequicostata，Morphoria laevigata等；上部为紫色及灰绿色页岩夹薄层灰岩，厚50米，含双壳类Pteria cf.murchisoni，Leptochondria albertii。在川西南地区上部发现菊石Tirolites。本组与黔西南永宁镇组相当，与下伏飞仙关组呈整合接触。
101
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Contributor
contributed at 2011-10-11
Classification(s)
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Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Tongjiezi Fm |
| Chinese |
|---|
| Name | 铜街子组 |
| Description | 时代属早三叠世。分布于四川西南部。命名地点在大渡河下游的乐山铜街子附近。为浅海相泥沙质、灰质沉积。下部为紫色页岩及砂岩互层，夹灰岩数层，厚100米，含双壳类Eumorphotis inaequicostata，Morphoria laevigata等；上部为紫色及灰绿色页岩夹薄层灰岩，厚50米，含双壳类Pteria cf.murchisoni，Leptochondria albertii。在川西南地区上部发现菊石Tirolites。本组与黔西南永宁镇组相当，与下伏飞仙关组呈整合接触。 |
How to Cite
NNU_Group (2011). 铜街子组, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/8813d34e-b827-402f-a02e-4911cef545ef
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