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
大多数火山的爆发发生在板块边界。
盾状火山的斜坡非常平缓。
你知道那座火山的名字吗?
It's like a moveable feast; you put your explosion where you need it at any particular moment.
它就像一个万能贴,你可以把火山爆发,置于你所需要的特定时刻
The trouble is, you just don't know when that explosion took place, and since there are several periods in this general area that we're talking about now, in which something big happened, some great change takes place, it turns out different people want to have their explosion at different times.
问题是,你不了解火山爆发的,确切时间以及这种爆发,在这个区域又延续了很多个时期,这些时期发生了许多重大事件和重大变化,结果就是不同人对,火山爆发的时间推测各不相同
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