Thecurrentadvancesinthestudyofgeochemistryandpaleo-oceanographyoftheCo-richcrustarereviewedinthispaper.WesummarizethestudyofgeochemistryoftheCo-richcrust,discussthediffusionofelementsintheCo-richcrustandtheexchangewithambientseawater.Besides,wediscusstheeffectofphosphatizationandsubstraterocksonthecompositionoftheCo-richcrust.Wealsointroducetheapplicationofstableisotopes(includingthestableisotopesofPb,Nd,andHf),radioactiveisotopes(includingtheradioactiveisotopesofBe,UandTh),andelements(includingthemajorelements,minorelementsandrareearthelements)tothestudyofpaleo-oceanographyoftheCo-richcrust.
