the magma composition changes. The magma forms crystals at varying rates due to the different elements, so the unused elements remain. Magma and crystals are both denser than each other. What happens ...

Composite volcanoes are the most common ... through volcanic vents in explosive eruptions. When magma erupts from a volcano it is called lava. This mixture of lava and gas flows out and down ...

This difference in temperature is due to its unusual composition, being the only volcano in the world to erupt carbonatite lava in recorded history. "Carbonatite magma at Ol Doinyo Lengai has less ...

"The composition of the basalt constrains the properties of the magma source of the volcanism." A 2024 study, from samples collected by the Chang'e 5 mission, suggest the Moon was volcanically ...