The magma evolution of Tianchi volcano, Changbaishan
The magma evolution of Tianchi volcano, Changbaishan
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DOI：
10.1007/bf02932689
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发表时间：
1998-07
期刊：
影响因子：
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通讯作者：
Ruoxin Liu;Q. Fan;Xiangshen Zheng;Ming Zhang;Ni Li
中科院分区：
文献类型：
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作者：
Ruoxin Liu;Q. Fan;Xiangshen Zheng;Ming Zhang;Ni Li
长白山天池火山由成盾期的玄武质岩石、成锥期的粗面岩和碱玄岩及现代喷发物组成。稀土元素、不相容元素及Sr、Nd、Pb同位素研究表明，不同阶段岩石具有共同的岩浆成因和密切的演化关系，分异结晶作用起着关键作用。玄武质粗安岩岩浆和碱碲岩浆的同时喷发，表明天池火山下既有壳源岩浆房，又有幔源岩浆库。
The Changbaishan Tianchi volcano is composed of the basaltic rocks at the shield-forming stage, the trachyte and pantellerite at the cone-forming stage and modern eruption. Studies on their REE, incompatible elements and Sr, Nd, Pb isotopes suggest that rocks at different stages have a common magma genesis and close evolution relationship with differentiation crystallization playing the key role. The co-eruption of basaltic trachyandesite magma and pantellerite magma indicates that there exist both crustal magma chamber and mantle magma reservoir beneath the Tianchi volcano.