§0 -^1^'i' '^- — ß- KOTO: 



The liills on our Avay were now covered witli grass and a 

 few pines. Patches of rice-paddy were found between the hills, 

 but no liouses It is a lonely tract (PI. XVIII. %. 1). Eocks weather 

 into gray soil, sometimes tinged a deep violet, showing the presence 

 of much iron in it. It is limy. 



The complex gradually changes in petrographical character 

 becoming sandy with massive beds in the higher horizon. We 

 luid already met with the same complex between CJiin-Jijn and 

 Pong-f/i/ai on tlie first traverse, wdiere it forms the basal series 

 of the Lower Kißncj-sang formation to which Mr. Yabe '^ gives 

 the special name of tlie " Nak-tong Series " (Dogger-Malm), and 

 we were here in the same belt. 



sam-ga Tlie cjumml of Sam-r/a (50 m) is a patch of in-filled sandy 



fiat, looking up the wall-like precipitous ridge of the Chhi/öng- 

 niöri-cJihi on the west which we had passed in the forenoon, and 

 screened on the east by the basset- edge of the complex of gray 

 Marl and red Tnff sandstone of the Upper Ki/önu-scmr/ formation. 

 The Tai-kok-chhi'-^ ridge ''^ was reached after riding 8 hm in 

 a northeasterly direction on the zone of greenish marly sand- 

 stone and green marl which probably corresponds to the plant- 

 bearing bed of A\ik-toug. It exhibited varying angles of an easterly 

 dip until we arrived at the top. While descending from it to 

 Song-am ^\ a green porphyrite was observed associated with 

 clayey rock, striking N. 20° E. and dipping 20 S.E. It is over- 

 laid by a strong bed of conglomerate consisting of reddish 

 sandy matrix and the gravels of granite-gneiss and red horn- 

 blende-porphyrite, forming the basal bed of the red sandy and 



1) This Journal, Vol. XX. Article 8. See also ante, page 36. 2) ;^ @ (1$ 



3) See PI. XVII, figs. 2 and 3. A -view westwards toward the Chhyög-möri pass from 

 that of the Tai-kok-chhi. i) ^ ^ (VI. XVIII. fig. 2). 



