Igneous intrusion
= Igneous intrusion
A body formed by emplacement and solidification of <magma> within pre-existing <rock>. <Dikes> and deeper intrusive bodies add material and <heat> to <crust> without requiring surface eruption.
= Igneous intrusion
A body formed by emplacement and solidification of <magma> within pre-existing <rock>. <Dikes> and deeper intrusive bodies add material and <heat> to <crust> without requiring surface eruption.