火山旋回 meaning in English
cycle of volcano
volcanic cycle
Examples
- According to the characteristics of lithology and lithofacies , the principle that lithostratic unit group is related to volcano cycle or sedimentary cycle , jiangnan region can be divided into two groups , wuyi region can be divided into three groups , nanling region can be divided into four groups
根据岩性岩相特征，结合岩石地层单位群与火山旋回或沉积旋回相对应的原则，将江南区划分为两个群，武夷区划分为三个群，南岭区划分为四个群。