magmatic exhalation

基本解释

Its geology and geochemistry indicate that it was formed in three steps which are sedimentary and volcanic-exhalation, regional metamorphism and magmatic metallogenesis.
地质及地球化学特征分析表明，该矿床的形成过程可以总结为沉积-火山喷流沉积富集、区域变质富集和岩浆改造成矿等三个步骤。
The results show that fluid inclusions in quartz of the submarine exhalation_sedimentation system have higher ΣREE, larger LREE/HREE than those of the magmatic hydrothermal system.
结果表明，两类热液体系在流体包裹体特征上有较大的区别，在流体的微量元素和稀土元素特征方面也很不相同。