This paper analyzes the distribution of the basalts of the Indo-Chinese epoch in time and space in the eastern Gejiu by means of comprehensive basalts corrlation column and isometric line.

• 作者应用玄武岩系柱状对比图和内插法作等值线的方法，分析了个旧东区印支期玄武岩的时间和空间分布情况。