下超
是原始倾斜地层对原始水平界面（或原始斜角较小的倾斜界面）在倾斜下方作底部超覆，亦即层序内地层对底部界面向盆方向的超覆。如海侵体系域在向盆地方向下超于初始海泛面之上，而高水位体系域进积层远端也下超于最大海泛面之上。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Geostratigraphic stratigraphy
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| English |
|---|
| Name | downlap |
| Chinese |
|---|
| Name | 下超 |
| Description | 是原始倾斜地层对原始水平界面（或原始斜角较小的倾斜界面）在倾斜下方作底部超覆，亦即层序内地层对底部界面向盆方向的超覆。如海侵体系域在向盆地方向下超于初始海泛面之上，而高水位体系域进积层远端也下超于最大海泛面之上。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 下超, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/27b8c016-9941-4f67-bb55-49493b58d41f
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