Volcano-Eruption-火山爆发英文.pptx

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1、VolcanoEruption资勘胡楠楠DefinitionFormationTypesDistributionEffects请在这里键入你的目录内容MenuDefinitionWhatisvolcanoeruption?1Originally,theinterior(内部)oftheearthfilledwithhotmagma.Undertremendous（巨大的）pressure,weakmagmawillbreakthroughtheearth'scrust（地壳），causingthevolcano.Avolcanoisanopening,orruptur

2、e（断裂）,inthesurfaceorcrustoftheEarthoraplanetrymassobject,whichallowshotlava,volcanicashandgasestoescapefrommagmachamberbelowthesurface.somewordsaboutvolcanoLava岩浆volcanicash火山灰Moltenfluidformedinthedepthoftheearth'scrustRubbleandmineralparticleswithadiameterlessthan2mmFormation212火山机构当中

3、与主要岩浆通道相连的火山中央喷口mainvent火山口;陨石坑;craterTypes3classificationActivevolcanoextinctvolcanodormantvolcanoDistributon4Effects5HarmBenifitsManyofthevolcanicmaterialshaveimportantindustrialandchemicaluses.saltandmineralsafteraneruptionofavolcanoBenifitsVolcanicashthathasweatheredgreatlyimprovess

4、oilferility.BenifitsAmazingscenery.林查尼火山布罗默火山FinishThanks!