对郯庐断裂带中段第三纪玄武岩的岩石学特征、地球化学特征进行了研究。对火山岩系列及其类型进行了划分 ,并作了分类命名。探讨了玄武岩与刚玉形成的关系 The petrological and geochemical characteristics of the Tertiary basalts in the middle Tancheng-Lujiang fault zone were studied. The volcanic rock series and their types were divided and named by classification. The relationship between basalt and corundum formation was discussed