文档介绍：HIGHERGEOGRAPHYLITHOSPHERE LIMESTONESCENERYThereareseveraltypesoflimestoneinBritain-,suchascorals,whichlivedduringtheCarboniferousperiod,345-,280-,ontheGreatBarrierReefofftheAustraliancoast,istheworld’,-these3000metrepeaksaremadeoflimestoneandwereoncethebedofthesea!Limestone-ChemicalweatheringLimestone=CalciumCarbonateRainwater=CarbonicAcidCarbonicAciddissolvesCalciumCarbonateThisiscalledCARBONATION,…H2O+CO2=H2CO3CaCO3+H2CO3=Ca(HCO3)2CalciumCarbonateDiluteCarbonicAcidCalciumHydrogenCarbonate(Soluble)Carbonation/histypeoflandscapeismorecorrectlyknownasGlacioKarst-glaciobecauseithasalsobeenglaciated,andkarstafteranareainSlovenia,,barrenlandscapeoflimestonecountry.