%0 Journal Article
%T THERESULTOFAGEOLOGICALSURVEYOFTHFHONGSHANINTRUSION,NORTHHONAN
%J µØÖÊѧ±¨
%D 1924
%X Theresultssofarobtainedmaybesummarizedasfollows.TheHongshanintrusionisadome-shapedandisolatedbodyanddeep-seatednorigin.Theiatrusiontookplaceinthepost-CarboniferoustimeTheirondepositwasprobablyformedthroughmetasomatiereplacementoftheOrdovieianlimestoneandthereforeonlyextendsdownwardforaninsignifieuntdepth.Asarogoureoformodernindustry,itisabsohtelyvaluess.Thevariationinthecompositionofthedioriteisprobablydonnotsomuchtomagmaticdifferentiationbutrathertotheassimilationfotheoverlyingrocks.
%U http://www.geojournals.cn/dzxb/ch/reader/view_abstract.aspx?file_no=19240215&flag=1