1·The holocrystalline porphyritic olivine basalts and pyroclastic rocks are the components of Pleistocene to recent volcanic activities.
完整的斑状斑状橄榄石玄武岩和火山碎屑岩是最近火山活动的更新世的组成部分。
2·Pyroclastic flows are some of the most fearsome hazards posed by erupting volcanoes.
火山碎屑流是由火山喷发而引起的最可怕自然灾害。
3·The eruption seems to have started with the volcano spitting out lumps of rock up to 2 metres across, before releasing an enormous pyroclastic flow - a fast-moving gush of hot gas and rock.
火山似乎在释放出巨大的火山碎屑流(一种热的气体和岩石快速移动的喷流)之前，从开始吐出2米宽度的岩石块而开始爆发。
4·Killing mechanism: ash, pyroclastic flows.
杀伤机制：火山灰、火山碎屑流。
5·Pyroclastic rocks are a kind of transitional and complex rocks between lavas and sedimentary rocks.
火山碎屑岩是介于溶岩和沈积岩之间的过渡类型岩石，岩类复杂。