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Bursting of the ceremony Effusiveness model volcano
多以中酸性熔岩喷发为主,含的气体较多,爆炸力较强,常形成大量的火山碎屑物,尤以火山灰为多。这类火山岩中往往含有较多的气孔。在世界火山分布中,多在大陆上和大陆边缘部分,如:意大利的维苏威火山、印度尼西亚的喀拉喀托火山、美国的圣海伦斯火山等。