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- 01/01/1998
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Get PDF研究了辽东半岛温泉气体的HE浓度和HE同位素的组成特征 .3HE/4HE值分布于 0 .14~ 0 .72rA之间(rA 为大气的3HE/4HE比值 1.4 0x 10 - 6 ) ,HE同位素组成与HE浓度和4 HE/2 0 nE比值呈现线性相关 ,表明有少量地幔HE(约 9% )抵达地表 .温泉气体的3HE/4HE值与研究区的大地热流呈现相似的空间分布特征 ,说明两者具有一定的成因关系 .地幔局部熔融形成的岩浆很可能沿深大断裂侵入地壳 .幔源HE、热流异常以及地震活动在空间上的耦合可能反映了地幔脱气与地震活动的内在联系 .国家自然科学基金!(批准号:49133009)资助项
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