The major compositions of amphibole in the granites, trace element composition and isotopic composition of granites were effective index to distinguish different metallogenic granitic bodies.
角闪石的化学成分及不同成矿岩体的微量元素和同位素特征是区分区内两类不同成矿岩体的有效判别标志。
2
The effects of element sulfur on carbon isotopic fractionation of methane have been systematically studied by the simulation experiments of thermal transformated methane from organic matter.
通过热模拟实验，系统研究了单质硫在有机质生成甲烷过程中对其碳同位素分馏的影响。
3
Based on the carbon and oxygen isotopic composition and rare earth element (REE) patterns, the origin of the Dabaoshan deposit is considered to be related to the sea-floor thermal events.