CAJ | 학술논문

为建立精确测定盐类矿物结晶水H和O同位素组成方法，进一步丰富自然界矿物流体H和O同位素分馏机理，并为发展和推广盐类矿物结晶水H和O同位素地球化学应用研究打基础，在全面论述盐类矿物结晶水H和O同位素研究的科学意义及前人研究工作的基础上，以蒸发岩沉积序列中分布普遍、含结晶水量大的石膏（早期沉积阶段矿物）与光卤石（晚期沉积阶段矿物）为代表性矿物，通过实验室等温蒸发条件实验及天然矿物分析，建立了盐类矿物结晶水分离提取及测试的关键技术方法。实验结果表明，采用当前通用的基于MAT253质谱系统连续流进样，可以准确、快速地测定自然界盐类矿物结晶水H和O同位素组成。
위건립정학측정염류광물결정수H화O동위소조성방법，진일보봉부자연계광물류체H화O동위소분류궤리，병위발전화추엄염류광물결정수H화O동위소지구화학응용연구타기출，재전면논술염류광물결정수H화O동위소연구적과학의의급전인연구공작적기출상，이증발암침적서렬중분포보편、함결정수량대적석고（조기침적계단광물）여광서석（만기침적계단광물）위대표성광물，통과실험실등온증발조건실험급천연광물분석，건립료염류광물결정수분리제취급측시적관건기술방법。실험결과표명，채용당전통용적기우MAT253질보계통련속류진양，가이준학、쾌속지측정자연계염류광물결정수H화O동위소조성。
This study aims to develop a method for precisely determining hydrogen and oxygen isotopic compositions in hydration water of salt minerals , to understand the mechanisms of hydrogen and oxygen isotopic fractionations in mineral fluid , and to provide a basis for their geochemical applications .Based on an overview of previous study of hydrogen and oxygen isotopes in hydration water of salt minerals , two general salt minerals , gypsum ( at the early sedimentary stage ) and carnallite ( at the late sedimentary stage ) , were selected as typical minerals .Through laboratory experiments on isothermal evaporation conditions and natural mineral analysis , a new method for extraction of hydration water of salt minerals was established .Experimental results show that an online method can be used for rapid analysis of both stable oxygen and hydrogen isotopic ratios for salt mineral hydration water using a carbon-reducing furnace connected to a continuous-flow mass spectrometer system ( MAT253 ) after extracting the gypsum hydration water offline .