%0 Journal Article %T THEVOLCANICROCKSINPEIPIAOREGION %A 王炳章 %J 地质学报 %D 1929 %X INTRODUCTION.ThevolcanicrocksinPeiPiaoregionhavebeenalreadynoticedbydifferentauthors.Theywere,however,onlystratigraphicallyclassifiedintotwoseriesknownastheUpperVolcanicandtheLowerVolcanic,whiletheirpetrographicalcharactersandrealrocktypesareyetinvague. %U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19290403&flag=1