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1、1,The Rock Cycle,Thinking about relationships among the major rock groups,2,Major Rock Groups,IgneousFormed from a melt(molten rock)Plutonic(intrusive):slow cooling and crystallizationVolcanic(extrusion):quick cooling at the surfaceSedimentaryFormed at the Earths surfaceClastic(Mineral Fragments or
2、grains,clays)Chemical(crystalline chemical/biochemical precipitates)MetamorphicChanged by pressure,temperature and fluids.,Fig.2.9,MAGMA,4,MAGMA,Crystallization,IGNEOUS,5,MAGMA,IGNEOUSPlutonic,Crystallization,6,MAGMA,VolcanicIGNEOUSPlutonic,Crystallization,7,MAGMA,VolcanicIGNEOUSPlutonic,Uplift,Crys
3、tallization,Weathering,8,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,Uplift,Crystallization,Weathering,SEDIMENT,9,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,Uplift,Crystallization,Weathering,Erosion,Transport,Deposition,10,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,Uplift,Crystallization,
4、Weathering,Erosion,Transport,Deposition,11,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,METAMORPHIC,Uplift,Burial,Increased P&T,Crystallization,Weathering,Erosion,Transport,Deposition,12,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,METAMORPHIC,Uplift,Burial,Increased P&T,Melting,Crystall
5、ization,Weathering,Erosion,Transport,Deposition,Can you seeany shortcuts?,13,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,METAMORPHIC,Uplift,Burial,Increased P&T,Melting,Crystallization,Weathering,Erosion,Transport,Deposition,The rock cycle demonstrates the relationships among the three major
6、rock groupsIt is powered by the interior heat of the Earth As well as earths momentum andThe energy from the sunIt involves processes on the Earths surface as well as the Earths interiorIt connects the“hydrologic cycle”with the“tectonic cycle”.,In Conclusion,16,MAGMA,VolcanicIGNEOUSPlutonic,SEDIMENT,SEDIMENTARY,METAMORPHIC,Uplift,Burial,Increased P&T,Melting,Crystallization,Weathering,Erosion,Transport,Deposition,
