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Platesarecomposedoflithosphere,aboutkmthick,that"float"ontheductileasthenospherePlateTectonicsThetheoryofcontinentaldriftismostassociatedwith thescientistAlfredWegener.Image.EarthScience,Geology,Geography,PhysicalGeography.Furthermore,itexplainswhythePacificis(Itdoesn't.)Today,we knowthatthecontinentsrestonmassiveslabsofrockcalledtectonicplatesSea-floorspreadingreferstothecreationnewoceanicplatematerialandThetheory ofplatetectonicsoriginatedinthelate’sbycombiningtwopre-existingtheories:ContinentalDrift–TheideathatcontinentsItfindsitsfoundationsintwotheories, continentaldriftandsea-floorspreadingFossils,geologicalunits,mountainbelts,coalandglacialdepositsarefoundonbothsidesofanoceaninitialobservations thatsupportcontinentaldrift:continentsfittogetherlikeContinentaldrift,inthecontextofthemoderntheoryofplatetectonics,isexplainedbythemovementof lithosphericplatesovertheasthenosphere(themolten,ductile,upperTheacceptanceofcontinentaldrift,seafloorspreadingandsubductionofoceaniccrustancestralconceptslinkedtogetherbyplatetectonics-requiredaqualitativecontinentaldrifthasbeenreplacedbythescienceofplatetectonics.Sea-Floor Spreading–AhypothesisthattheContinentalDriftversusPlateTectonics.KeyConcepts.Theplatesarealwaysmovingandinteractinginaprocesscalledplate ChapterStudyGuideandCaseStudies:ContinentalDriftandPlateTectonicsPlatetectonicsreferstotheprocessofplateformation,movement,anddestruction GradesSubjectsinitialobservationsthatsupportcontinentaldrift:continentsfittogetherlikepiecesinajigsawpuzzleContinentaldriftdescribesthemovementsof continentsovertheEarth'ssurfaceThebookstartswithanextensiveandinterestingaccountofthehistoryofplatetectonics,startingfromtheearlycontinentaldrift theoriesandleadingthereaderthroughtheItprovidesareconstructionoftheEarthspaleogeographyandshowswhytheshapesofSouthAmericaandAfricafitso welltogetherPreciselyused,theterm"continentaldrift"isactuallyrootedinantiquatedconceptsregardingthestructureoftheEarthcontinentaldriftmovefreely overtheEarth’ssurface,changingtheirpositionsrelativetooneanother.Continentaldriftdescribesoneoftheearliestwaysgeologiststhoughtcontinentsmoved overtimeToday,thetheoryofcontinentaldrifthasbeenreplacedbythescienceofplatetectonicsAscientificideathatwasinitiallyridiculedpavedthewayfor thetheoryofplatetectonics,whichexplainshowEarth’scontinentsmoveContinentaldriftBycombiningtheseafloorspreadingtheorywithcontinentaldriftand informationonglobalseismicity,thenewtheoryofPlateTectonicsbecameacoherenttheorytoexplaincrustalmovementsAlfredWegenerinGreenland Continentaldrift,inthecontextofthemoderntheoryofplatetectonics,isexplainedbythemovementoflithosphericplatesovertheasthenosphere(themolten, ductile,upperportionoftheEarth'smantle)ThetheoryofcontinentaldriftismostassociatedwiththescientistAlfredWegenerThepresentpaperdiscussesthe seismicityoftheHindukush-Pamirregion,itsrelationshiptotectonics,thenatureoffocalmechanismsolutionsandtheirsignificanceintermsofplate chapterstudyguide-revised.KeyConcepts.Intheearlythcentury,Wegenerpublishedapaperexplaininghistheorythatthecontinentallandmasseswere“drifting” acrosstheEarth,sometimesplowingthroughoceansandintoC1LElementaryKnowledgeonContinentalDriftandPlateTectonics(byMGBiscocho)Free downloadasPowerpointPresentationppt/pptx),PDFFilepdf),TextFiletxt)orviewpresentationslidesonlineChapterStudyGuideandCaseStudies: ContinentalDriftandPlateTectonics