Rocks and The Rock Cycle3 Main Rock Types3 Main Rock TypesIgneousIgneousIGNEOUS-ExtrusiveLittle or NO Crystals!IGNEOUS-ExtrusiveLittle or NO Crystals!IGNEOUS-ExtrusiveLittle or NO Crystals!IGNEOUS-Extrusive Little or NO Crystals!IgneousIGNEOUS-Intrusive Large Interlocking Crystals!IGNEOUS-IntrusiveLarge Interlocking Crystals!IGNEOUS-IntrusiveLarge Interlocking Crystals!IGNEOUS-IntrusiveLarge Interlocking Crystals!3 Main Rock TypesHow to make a clastic sedimentary rockSedimentary3 Main Rock TypesMetamorphic rocks form from HEAT&PRESSUREContact MetamorphismDeep underground, zones of metamorphism form around the hot magma of batholiths. L.Gardiner/Windows OriginalRegional MetamorphismTectonic forces smash continents together. The rocks get heated and become semi-molten. The added pressure causes the mineral to separate into bands and sometime to even flow before cooling again!Common Metamorphic RocksParent RockMetamorphic RockGraniteGneissShaleSlateSandstoneQuartziteThe Rock Cycle