综合岩性、岩相分析认为本区的火山喷发模式为中心式喷发。
Composite lithology , lithofacies analysis of the volcanic eruption pattern in this area as the center-type eruption .
中生代火山岩是一系列中心式或裂隙-中心式火山喷发作用的产物。
Mesozoic volcanic rocks are the product of a number of eruptions of central or fissure-central types .