The study of petrology, mineralogy and geochemistry suggests that augite latite and augite monzonite are cognate, belonging to the upper and root parts of the volcanic dome respectively.
岩石、矿物地球化学研究表明,辉石粗安岩与辉石二长岩同源,分
上部和根部。
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By examining the chemical diffusion in crystals from those rocks, they found that, in each eruption, about a month elapsed between the last pulse of magma and the eruption itself -- useful information for hazard planners.
通过检查这些晶体中的化学扩散, 他们
现,在每次喷
中,从最后一次
浆脉冲
喷
本身之间大约有一个月的时间——这对灾害规划人员来说是有用的信息。
" The only area where there was a match was northeast Scotland, " says study coauthor Nick Pearce, a geologist and geochemist also at Aberystwyth University. " These fingerprints are very characteristic, " he says. " I don't think there'll be anywhere else where it would match."
“唯一匹配的地区是苏格兰东北部,”该研究的合著者、同样来自阿伯里斯特威斯大学的学家
化学家尼克·皮尔斯说。“这些指纹非常具有特征," 他说。" 我认为不会有其他地方与之匹配。”