Words/phrases to choose from: pressure sulat papel clastic extrusive rocks heat contact Intrusive mineral Igneous forms from cooling and selidification of laun or magma biological matter maybe vesicular classified by size lar tals form evaporites metamorphic building blocks of non-clastic regional rocks change due to temperature and/or pressure change lava cools quickly compacted sediments contains air bubbles small or no crystals forms magma cools slowly classified on how they are precipitates sedimentary generally forms from the compaction and cementation of sediments