海南岛海西-印支期花岗岩的地球化学特征及成因

被引:22
作者
夏邦栋
于津海
方中
王赐银
楚雪君
机构
[1] 南京大学地球科学系
关键词
海南岛; 海西-印支期; 重熔花岗岩; 地球化学模式; 分离结晶作用;
D O I
10.19700/j.0379-1726.1990.04.013
中图分类号
学科分类号
摘要
海南岛海西-印支期花岗岩具有一个较完整的演化系列。花岗质岩浆由混合岩进一步重熔而形成。岩浆演化过程中具有一定程度的分离结晶作用。花岗岩的原岩主要为上地壳的岩石,但混有来自下地壳的火成岩。
引用
收藏
页码:365 / 373
页数:9
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