Hornfels is a metamorphic rock<span> that can </span>form<span> when a </span>rock<span> is subjected to high temperatures. Hornfels, which often </span>forms<span> when magma or lava touches other </span>rock<span>, is nonfoliated. ... </span>Heat<span> and </span>pressure changes<span> both igneous </span>rocks<span> sedimentary </span>rocks<span>into metamorphic </span><span>rocks</span>
Hornfels is a metamorphic rock<span> that can </span>form<span> when a </span>rock<span> is subjected to high temperatures. Hornfels, which often </span>forms<span> when magma or lava touches other </span>rock<span>, is nonfoliated. ... </span>Heat<span> and </span>pressure changes<span> both igneous </span>rocks<span> sedimentary </span>rocks<span>into metamorphic </span>rocks<span>.</span>
