This is the current revision of Xenolith as edited by WesleyS(Talk | contribs) at 23:07, November 22, 2008. This URL is a permanent link to this version of this page.
A Xenolith is a smaller piece of rock that is encorporated into a larger rock. Xenoliths form when magma flows round a piece of rock and hardens. Xenoliths are clearly different from the rock that surrounds them.