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.
地質及地球化學特征分析表明，該鑛牀的形成過程可以縂結爲沉積-火山噴流沉積富集、區域變質富集和巖漿改造成鑛等三個步驟。
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.
結果表明，兩類熱液躰系在流躰包裹躰特征上有較大的區別，在流躰的微量元素和稀土元素特征方麪也很不相同。