A plot of Y+Nb against Rb indicates that the tectonic setting of the source volcano for the K-bentonites was volcanic arc.
据Y+Nb-Rb图解,反映钾质斑脱岩的源火山的构造背景为火山弧。
参考来源 - 贵州乌当地区泥盆系乌当组下部粘土岩成因的初步研究·2,447,543篇论文数据，部分数据来源于NoteExpress
"volcanic steam"; "volcanic islands such as Iceland"; "a volcanic cone is a conical mountain or hill built up of material from volcanic eruptions"
"a volcanic temper"
"volcanic rock includes the volcanic glass obsidian"
以上来源于: WordNet
ADJ Volcanic means coming from or created by volcanoes. 火山的
Over 200 people have been killed by volcanic eruptions.
已有两百多人死于火山喷发。
Many oceanic islands are volcanic.
很多海洋岛屿是火山岛。
The city was entombed in volcanic lava.
那个城市被火山熔岩掩埋了。
Over 200 people have been killed by volcanic eruptions.
已有两百多人死于火山喷发。
The volcanic eruption was the second time in two years that Iceland has shaken its neighbors to the east.
VOA: special.2010.04.23
So the fires to make containers from volcanic clay must be hotter than those used for non-volcanic clay.
VOA: special.2009.09.14
Volcanic activity broke the large island into pieces that came to the surface of the sea over time.
VOA: special.2009.12.16
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