Plate 8 



Iwanai 



Mt. Wakadaszu 

 / 



Mines -^-^r^^ 

 Icliinowatar 



GEOLOGICAL ROUTE - SKETCH, 



Southern Yesso, 



JAPAK. 



^ Sldwukubi 



Al. Alluvial and Beach. V.A. Volcanic Ankes. G. River Gravels. E.T. Recent Terraces. L. Lava. T.C. Tufa Conglomerate. P.T. Pumice Tufa. 'Ji Coa/. 



Ar. Melamorphic Argillite. Q. Quartzite. SI. Cg. (7/a(/ Slates and Conglomerate. C.G. Conglomerate and Granulite 



A.P. Aphanitic Rock. Gr. Granitic and Si/enite Series. 



