Earth's Core May Not Just Be Made Of Iron
study earthquake allows us to judge what the interior of our planet looks likes . As our mensuration amend , so does our understanding of what lies underneath our feet . Now , a unexampled discipline has hint that the composition of the center might be more complex than previously thought . The structure of Earth ’s core was first described in 1936 , and for a long clock time we suppose it was made exclusively of metal - eff leaden elements , mainly Fe ....