PLATE.XVm 



.i/iftifiiif/ Ilit' relative position* 

 f,ftJn- 



i s o i. ,VT K u A u r H AK AN A R K A w 



fdl i.*<-<i.<tin < 

 R. D. Irviiia 



A H AT IT O/N 



()uartz Porphyry UIUIIIII GraTiite 



