Question

an eruption is classified as an explosive volcanic eruption based on the amount of which mineral found in the magma??

Answer 1

An eruption is classified as an explosive volcanic eruption based on the amount of basalt found in the magma

Answer 2

Magmas that are more rich in silica and charged with gas are more explosive
Silica increases the viscosity significantly, but it is not a mineral when it is in the molten state
So silica is the answer