alkaline basalt

基本解释

The rock assemblages of the Bayinbuluke formation are mainly alkaline basalt - thick andesite - alkaline rhyolite.
火山岩岩石组合以碱性玄武岩- 粗安岩- 碱性流纹岩为主。
By the petrological, REE and trace element analyses, this group-complex has been determined to be calc-alkaline basalt.
通过岩石化学、稀土元素、微量元素分析，确定该岩群的原岩为钙碱性玄武岩。
Association of continental alkaline basalt with oceanic tholeiite and oceanic island basalt in the junction is reasonably interpreted.
较合理地解释了结合带内，大洋拉斑玄武岩、洋岛玄武岩、大陆碱性玄武岩共存的地质特征。