88 ART 2. — B. KOTO: 



stagnant water in <lio sluidows of low hills of the red formation. 

 To the cast tlio view was closed l)y the wall of the green por- 

 phyrite nuMintain of (^Ii!ii/(iu(i-)iiiön<i, intrndcd by niusanite at 

 the base. It is the edge of the enij)tive sheet and the green 

 breccia, which oecii|)y a large ai'e;i in tlie southeast corner of 

 Ki/ö)if/-(/mif/- Do. 



'Vho red fc^nnation soon (bsa]>]^(nired IxMiig i'ej)laced l)y a 

 l»la('kish shale and greenish llinly tullite which are worked f(^r 

 the gold in iheii' (piaitz veins, exactly like that near Ma-san-pho '\ 

 The strike is changed here to N. 10 W., wilh the dip N.E. 



RrAi,-T,i At M((l-li'^ on the noitli of ('/ihi/(n)(/-n//ö)u/ we crossed the high 



JUNCTTON .... 



I'oad which I took on my third traverse of the peninsula, and 

 followed up the gravelly valley noi'tlieastwards to the Pang-gol- 

 chhl'^'^, reaching Chhyong-do*^ the next day. ^Vo here left the 

 "black series" corresponding to that of ('hin-/iäi''\ and entered 

 upon the green (^ruptive terrane. Descending a gravelly dale, and 

 turning ofl" fi'om the I'oad to M/'l-j/ang''^, we went on northwards 

 up to the second pass (285 on), and descended to a rather open 

 C(nnitry {V2') rn). A\'e ol)S(n'ved that the road crossed an e(|ua- 

 torial ridge Avhicli, accoi'ding to my view, cnn be traced as far 

 as the east coast plunging into the Sea of Jai);in north of Ulsan, 

 After we entered upon the terrane of green porphyritic rocks, 

 the country became bari'en and desolate, with gravel and talus 

 everywhei'{\ Sometimes red poi'phyry with white spots was seen 

 in sheets. 



From Phung-çinh-jijang'', we took the east route to Chhi/öng- 

 do for a distance of 14 km over a flat of arkose and wacke 



1) See footnote, piige 25. The Yons-dum gold-fields. 2) ^ HI 3) ^J m <# 

 4) îS ^ 5) ^^ «"'«'. r"Ke ^7, and PI. XXXIV. AB No. 2. sb. Tl. XXXV BC sU. 



<".) '^ 1% 7) ja n % 



