78 



B. KOTO 



CreJacecm.'i 





Lower 



Diagram I. «.—Normal sericite scliist. fc.— Green spotted 

 schUt. f.— Piedmoiitite scliist. tl. — Black spotted schist, c. — 

 Epidote-sericite gneiss. /.— Gabbro and .gabbro-diorite. f/.— Pyr- 

 oxenite. ampliibolite and serpentine. /*. — Red ami white, platy 

 quartzite. -/.. — Adiuole slate. ./. -Lower schalstein, h. — Limestone 

 (lens-shaped bed). /. — Coralline limestone. >n.— Slate. «.— Gray- 

 wacke-sandstone. o. — Common liornstoue. p. — Upper schal-itein. 

 p' — Diabase sheets. ?.'— Fusnlina limestone. </. — Sandstone, r, — 

 Shale, s. — Tufaceous sandstone. 



oiit a wiuLi' Nvliicli continues 

 fiirilier norlhwtird into the 

 Alxikunia and Kitakaini 

 inoiintains. This north- 

 easterly wing" of the remark- 

 able mountain C'onflexure of 

 Japan siitfered many, con- 

 ï?i(lerable interruptions in its 

 way, especially in the ])lain 

 (";f Mnsasi and Kozuké ; and 

 the distri<'t in question is 

 only a part of this wing. 



(ieolog'ically speaking, this 

 extenive reirion of Chi('liil)u 

 is in itself a complete one, be- 

 ing liounded on the west and 

 south by high volcanic chains 

 of the well-known Fuji and 

 Yatsuo'adaké, together with 

 the granite-massives of Kim- 

 pözan and the Mikuni-yama ; 

 while the remaining parts are 

 open, and covered by Tertiary 

 and still younger series of the 

 Tokyo basin, of which a brief 

 account was lately given by 

 Prof D. Brauns in his " Geo- 

 logy of the Environs of 

 lokio. 



Isolated as it is within a 



