三岔子群
时代属长城纪。分布于辽宁铁岭一带，为浅变质岩系。自下而上分为大迫山组、康庄子组和关门山组。下部为含砾石英砂岩夹各种粒度的白云岩；中部为石英砂岩，板岩及微晶白云岩；上部为灰色富含角砾屑的白云岩。RbSr等时线年龄12.9亿年。白云岩中含叠层石，板岩中含微古植物化石。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Geostratigraphic stratigraphy
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| English |
|---|
| Name | Sanchazi Gr |
| Chinese |
|---|
| Name | 三岔子群 |
| Description | 时代属长城纪。分布于辽宁铁岭一带，为浅变质岩系。自下而上分为大迫山组、康庄子组和关门山组。下部为含砾石英砂岩夹各种粒度的白云岩；中部为石英砂岩，板岩及微晶白云岩；上部为灰色富含角砾屑的白云岩。RbSr等时线年龄12.9亿年。白云岩中含叠层石，板岩中含微古植物化石。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 三岔子群, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/31af3d5a-9ffa-441c-ac6e-ef222275ef83
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