Igneous rocks are the ones that solidify from magma, a molten mixture of rock-forming minerals and typically volatiles for instance gases and steam. Because their constituent minerals are crystallized from molten material, igneous rocks are fashioned at high temperatures. They originate from processes deep within the Earth—usually at depths of https://totalbookmarking.com/story13251350/simple-rock-cycle-things-to-know-before-you-buy