熔岩表壳构造
泛指结壳熔岩表壳产生塑性变形而形成的各种构造。如绳状构造、波状构造、块状构造、馒头状构造、平行褶皱构造等。这类构造主要是由玄武质熔浆的流动形成的。当岩浆溢出地面后，表面迅速冷却形成一层柔韧的玻璃质外壳(表壳)，其下面的液态熔岩仍继续流动，并逸出气体，表壳受到推挤、拖拉、扭动和膨胀，产生多种塑性变形，冷凝后所形成的各种特殊形态统称为表壳构造。
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contributed at 2011-10-13
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Earth System(in Chinese) Volcanic geology
Detailed Description
| Chinese |
|---|
| Name | surface structure of lava |
| Chinese |
|---|
| Name | 熔岩表壳构造 |
| Description | 泛指结壳熔岩表壳产生塑性变形而形成的各种构造。如绳状构造、波状构造、块状构造、馒头状构造、平行褶皱构造等。这类构造主要是由玄武质熔浆的流动形成的。当岩浆溢出地面后，表面迅速冷却形成一层柔韧的玻璃质外壳(表壳)，其下面的液态熔岩仍继续流动，并逸出气体，表壳受到推挤、拖拉、扭动和膨胀，产生多种塑性变形，冷凝后所形成的各种特殊形态统称为表壳构造。 |
How to Cite
NNU_Group (2011). 熔岩表壳构造, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/3b3eb2f4-a844-4fd9-849d-3794bdf314eb
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