hat
melanj lan nan mineral nan magma rakonte yon istwa: ki se paske mineral nan wòch fonn karakteriz kristaliz nan tanperati diferan. Se konsa, wòch sou sifas la delivre endis ki enteryè a gwo twou san fon nan yon planèt.
eng
The mix of minerals in magma tells a story: that is because minerals in molten rock characteristically crystallise at different temperatures. So rock on the surface delivers clues to the deep interior of a planet.