The three volcanics are of kalium alkaline series, with their chemical elements showing the same magma origin.
三种火山岩均属钾质钙碱性系列，岩石化学成分显示为同源岩浆产物。
This paper researches into magma origin and minerogenetic geotectonic background of porphyry in the Gonpoquan copper ore district.
探讨了公婆泉矿区斑岩岩浆起源，论述了该矿区斑岩成岩成矿大地构造背景。
The mystery lies in the origin of their magma, or molten rock within the Earth.
关于岩浆或熔融岩石起源是地球内部的奥秘。
应用推荐