intraplate volcanism:
lava:Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling.
magma:magma is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other terrestrial planets .
viscosity:The viscosity of a fluid is a measure of its resistance to gradual deformation by shear stress or tensile stress.
silaca content:Silicon dioxide, also known as silica, is a chemical compound that is a dioxide of silicon with the chemical formula SiO2.
ring of fire:The is an area where a large number of earthquakes and volcanic eruptions occur in the basin of the Pacific Ocean.