岩石与岩石圈循环.ppt

1TheRockCycleThinkingaboutrelationshipsamongthemajorrockgroups

2MajorRockGroupsFormedfromamelt(moltenrock)Plutonic(intrusive):slowcoolingandcrystallizationVolcanic(extrusion):quickcoolingatthesurfaceIgneousFormedattheEarth’ssurfaceClastic(MineralFragmentsorgrains,clays)Chemical(crystallinechemical/biochemicalprecipitates)SedimentaryChangedbypressure,temperatureandfluids.Metamorphic

Fig.2.9MAGMA

4MAGMACrystallizationIGNEOUS

5MAGMACrystallizationIGNEOUSPlutonic

6MAGMACrystallizationVolcanicIGNEOUSPlutonic

701Volcanic单击此处添加正文。02IGNEOUSPlutonicMAGMAUpliftCrystallizationWeathering

801VolcanicIGNEOUS02Plutonic单击此处添加正文。MAGMASEDIMENTUpliftCrystallizationWeatheringSEDIMENT

9MAGMASEDIMENTARYTransportDepositionUpliftWeathering01VolcanicIGNEOUSPlutonicSEDIMENT02CrystallizationErosion03

10MAGMAVolcanicIGNEOUSPlutonicSEDIMENTSEDIMENTARYUpliftCrystallizationWeatheringErosionTransportDeposition

11MAGMAVolcanicIGNEOUSPlutonicSEDIMENTSEDIMENTARYMETAMORPHICUpliftBurialIncreasedPTCrystallizationWeatheringErosionTransportDeposition

12MAGMAVolcanicIGNEOUSPlutonicSEDIMENTSEDIMENTARYMETAMORPHICUpliftBurialIncreasedPTMeltingCrystallizationWeatheringErosionTransportDepositionCanyouseeanyshortcuts?

13MAGMAVolcanicIGNEOUSPlutonicSEDIMENTSEDIMENTARYMETAMORPHICUpliftBurialIncreasedPTMeltingCrystallizationWeatheringErosionTransportDeposition

TherockcycledemonstratestherelationshipsamongthethreemajorrockgroupsItispoweredbytheinteriorheatoftheEarthAswellasearth’smomentumand…TheenergyfromthesunItinvolvesprocessesontheEarth’ssurfaceaswellastheEarth’sinteriorItconnectsthe“hydrologiccycle”withthe“tectoniccycle”.InConclusion…

16MAGMAVolcanicIGNEOUSPlutonicSEDIMENTSEDIMENTARYMETAMORPHICUpliftBurialIncreasedPTMeltingCrystallizationWeatheringErosionTransportDeposition