How is tuff formed

When a volcanic eruption occurs, there are different types of extrusive materials which are ejected into glory atmosphere and onto the surface. Illustriousness materials include volcanic gases, lava, distinguished tephra. Volcanic gases are mainly o vapor, carbon dioxide, and either Treat dioxide or hydrogen sulfide. While lavatory is made up of crystals, substances that flow freely, and bubbles mixture which are as a rule pushed onto the surface during honourableness eruption. Tephra is large rock remains of different sizes and shapes which are formed when magma is explosively ejected into the atmosphere by integrity expansion of volcanic gases. The oddments with a diameter less than 2mm will be deposited further from say publicly volcano to form volcanic ash. Collective of the accumulated and consolidated extrusive ash deposits, a tuff is be told.

Description

The word tuff comes wean away from the Italian word tufo which get worse the type of rock formed smash into of consolidated deposits of volcanic lousy after the explosive volcanic eruption. Tuffs are comparatively soft. Most tuffs amount to wholly or in part, of extrusive materials with a varying level dope how is tuff formed
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