黑曜岩
酸性玻璃质火山岩的通称。成分与花岗岩相当，但全部由玻璃质组成。含水分很少（少于1％）。一般为黑色或褐色。有明显的玻璃光泽和贝壳状断口。常产于酸性火山岩分布地区，中国东南沿海火山岩出露地区即有产出。可做工艺品、装饰品的原料。
99
Alias
Contributor
contributed at 2011-10-09
Classification(s)
●
Earth System(in Chinese) Igneous petrology
Detailed Description
| English |
|---|
| Name | obsidian |
| Chinese |
|---|
| Name | 黑曜岩 |
| Description | 酸性玻璃质火山岩的通称。成分与花岗岩相当，但全部由玻璃质组成。含水分很少（少于1％）。一般为黑色或褐色。有明显的玻璃光泽和贝壳状断口。常产于酸性火山岩分布地区，中国东南沿海火山岩出露地区即有产出。可做工艺品、装饰品的原料。 |
How to Cite
NNU_Group (2011). 黑曜岩, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/65fa15ee-af10-41d3-a011-00b324bd7a54
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