浮石
一种比重小、多孔、玻璃质的淡色火山碎屑物。多为流纹岩质的硅质岩浆凝固而成。浮石中的气孔可占总体积的70％以上，如果浮石的孔洞极度增加，则气孔之间的玻璃质隔板细薄如丝，隔板一旦断裂，则多角形气泡收缩成三角形，一般称这种浮石为网目状火山岩渣(reticulite)或纤维火山渣(threadlace scoria)。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Volcanic geology
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| English |
|---|
| Name | pumice |
| Chinese |
|---|
| Name | 浮石 |
| Description | 一种比重小、多孔、玻璃质的淡色火山碎屑物。多为流纹岩质的硅质岩浆凝固而成。浮石中的气孔可占总体积的70％以上，如果浮石的孔洞极度增加，则气孔之间的玻璃质隔板细薄如丝，隔板一旦断裂，则多角形气泡收缩成三角形，一般称这种浮石为网目状火山岩渣(reticulite)或纤维火山渣(threadlace scoria)。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 浮石, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/83307016-1b27-4fc2-91f9-f8ab264b54bf
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