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,大洋拉斑玄武巖、洋岛玄武巖、大陆堿性玄武巖共存的地质特征。
in this region, the tectonic faults with ns direction develop, neutral-acid intrusive rocks and alkaline basalt eruptive rocks form two nearly ns direction magmatic rock belts.