In contrast, mafic volcanoes, which range from small cinder cones to large shield volcanoes like North Sister and Belknap Crater, are typically short-lived (weeks to centuries) and erupt less explosively than do composite volcanoes.
In contrast, mafic volcanoes, which range from small cinder cones to large shield volcanoes like North Sister and Belknap Crater, are typically short-lived (weeks to centuries) and erupt less explosively than do composite volcanoes.
相反，铁镁质的火山，从小的煤渣圆堆到大的盾形火山，像北峰和贝尔克奈普坑，形成期还很短，比复合体的火山更少爆发。