石拐群
旧称石拐煤系。时代属早侏罗世至中侏罗世。分布于内蒙古阴山地区。命名地点在内蒙古大青山石拐煤田。为陆相含煤沉积，主要为长石砂岩、泥质砂岩、砂质页岩及炭质页岩，夹煤层及油页岩，含Marattiopsis muensteri，Conioperis hymenophylloides，Todites williamsoni等植物化石。厚约1500米。本群在石拐地区不整合覆于前震旦纪乌拉山群之上。本群现已划分下部五当沟组，时代属早侏罗世；上部召沟组，时代属中侏罗世早期。
77
Alias
Contributor
contributed at 2011-10-11
Classification(s)
●
Earth System(in Chinese) Geostratigraphic stratigraphy
Detailed Description
| English |
|---|
| Name | Shiguai Gr |
| Chinese |
|---|
| Name | 石拐群 |
| Description | 旧称石拐煤系。时代属早侏罗世至中侏罗世。分布于内蒙古阴山地区。命名地点在内蒙古大青山石拐煤田。为陆相含煤沉积，主要为长石砂岩、泥质砂岩、砂质页岩及炭质页岩，夹煤层及油页岩，含Marattiopsis muensteri，Conioperis hymenophylloides，Todites williamsoni等植物化石。厚约1500米。本群在石拐地区不整合覆于前震旦纪乌拉山群之上。本群现已划分下部五当沟组，时代属早侏罗世；上部召沟组，时代属中侏罗世早期。 |
How to Cite
NNU_Group (2011). 石拐群, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/e8873355-a82c-40b0-bf57-5cbceab478a0
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