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Which characteristic of magma mainly determines it's explosiveness?

Sagot :

Johnsardonaidn

Which characteristic of magma mainly determines it's explosiveness?

  • Lava is  a melted rock.  There are all kinds of minerals and rocks  melted far below at high heat and pressure.  It's called magma,  no matter the material.  When it appears on the surface,  the same thing is called lava.  Whatever elements are present when a volcano develops  determines the type of eruption that has been observed.  

  • Increased volume of silica or elemental glass  Magma leads to higher viscosity or flow resistance. Volcanic pressure builds up a dense rock under  and within silica, which is then released explosively.

  • It's the material of Silica,  and so it's the viscosity.  The higher the content , the higher the viscosity, and generally  the lower the temperature at which it erupts, the higher the viscosity.  

  • The higher the viscosity, the  greater the intensity of the eruption.

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