%0 Journal Article %T NOTEONTHECOMPOSITIONOFTHENIANGTZEKUANTUFA %A CHU %A WEN-SSU %J µØÖÊѧ±¨ %D 1930 %X InconnectionwithastudyrecentlymadeofthefamoustufafromNiangtzckuan,Dr.Barbouraskedmetodeterminebyanalysistherelativeamountsofsolubleandinsolublemattersoastofindoutwhatproportionofthedepositisduetodirectprecipitationofmineralmatterinsolutionandwhatamountisclasticmaterialincorporatedinthegrowingdeposit. %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19300323&flag=1