The Behaviour of Rare—Earth Elements（REE） During Weathering of Granites in Southern Guangxi,China-中国期刊网

摘要 Thebehaviouroftherare-earthelements(REE)duringtheweatheringofgraniteswasstudiedinsouthernGuangxi,China.Basedonthestudyoftheweatheringprofiles,thesoil,weatheredandsub-weaterebzonesareidentifiedwithdifferentREEgeochemicalbehavioursthrougtheweatheringprofilesofgranite.TheCeanomaliesoftheweatheringprofilescoveralargerangeofvalueswithmostfallingbetween1.02and1.43inthesoilzoneand0.16and0.40intheweatheredandsub-weatheredzones.Lightrare-earthelements(LREE)andheavyrare-earthelements(HREE)areenrichedtovaryingdegreeintheweatheringprofilesascomparedtohostgranites.Inthesoilzone,moreHREEsareleachedthanLREEs,andHREEsaremoreenrichedthanLREEintheweatheredandsub-weatheredzones.ItisconsideredthatinfiltrationandadsorptiononclaysaretwoprocessescontrollingtheenrichmentandformationofREEdepositsintheweatheringprofilesofgranite.

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The Behaviour of Rare—Earth Elements（REE） During Weathering of Granites in Southern Guangxi,China

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The Behaviour of Rare—Earth Elements（REE） During Weathering of Granites in Southern Guangxi,China

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