摘要
Microbeswereculturedandidentifiedfromthesaplescollectedatvariousdepthsin4weatheringprofilesofREE-bearinggranitesinGonghe,Guangdong,Themicrobeswerefoundexistingatthedepthof0-5minalltheprofiles.Themainmicrobesincludecoccus(Staphylococcus,Streptococcus),bacillus(Bacillus,ClostridiumandEscherichiaColi),actinmycesandfungi(Saccharomycete,Penicillium,Fusarium,AspergillusAigerandMucor),Thenumberofcoloniesdecreasesdownwardsintheprofiles.ExperimentalstudiesshowthatallthemicrobesusedintheexperimentcanacceleratedownwardmigationofREEintheexperimentaltubes.,TheabilitytoacceleratethemigrationofREEdecreasesinasequenceoffungi→actinomyces→acillus→coccus.ThemicrobescanchangethemodesofoccurrenceofREEintheweatheringcrust.Thecoccus,bacillusandactinomycescanincreasetheamountsofREEinionstate,whereasthefungihaveastrongerabilitytofromorganiccompoundingREEandaccumulateREEthanthebacteriado.
出版日期
2000年03月13日（中国期刊网平台首次上网日期，不代表论文的发表时间）
