202 



Page 

 Jurassic rocks 56 — Hdl-nam 57^ — Tnouye's detour to 3Iok-pho 



via Yong-dang 57 — The Ok-mcU-san quarry 58^ — -Tlie haulover 



of Uön-mwi 59 — Usu-yöng 59 — The whirlpool of Mijoiig-ijang- 



jin 60 — The island of Chin-do 61 — Morai-söm aud a boat-ride 



to 3Ioli-p]io 63. 



Notes on the Geology of the Tract between Mok-pho 



and Sun-chhyang via Nam-pyöng, Tong-pok and Ok-koa <>3 



The rapakiwi-like crystal-porph^-ry of the Yöng-sin-gang 63 — 



The " Rising Moon Mountain " of Yang-am 65 — The Tong- 



cJiJtang goldfield 65 — Typical para-gnciss, the oldest rock of 



Korea 65- — Nam-pyOng to Hoa-suii GG — The metamorphic schists 



near Tong-poJv GG — Graphitoid bed 67 — Tong-poh to Ok-ko.i 68 



— The prolongation of the Kong-Jin schist 69 — Sun-cJJiyang 69. 



CH AFTER n. The Second Traverse 70 



Mok-pho 70 — The Y)f-<ki.J-san raasanite 70 — Jlu-cin 71 — 70 

 The metamorphic Mesozoic 72 — The Mesozoic breccia of 

 Komang-gol 72 — Intrusion of granite into felsophyre 74 — Na- 

 Jyu 74- — Young age of granite 75. 



Koang-jyu 75 — Porphyrite of Mu-teung-san 75 — Tam-yang 76 — 75 

 The eye-gneiss of Ami-.scm 76- — Sun-clihjang (69) 76 — The 

 mica- schist (the Kang-jin type) of Cliyöh-söng-jin 77 — Gold 

 placer in mica-schist 78 -The Pi-J/ong-cJJd pass 78. 



Nam-UÖn 78— The Yö-uön-cUi pass 79— Un-hong 80— Stone 78 

 monuments of Pl-djön 80— The PhaJ-JiyOng-cJtJd pass, the 

 boundary of ClnjOl-la and Kyöng-sang 81 — Ham-yang 82 — 

 Sa-heun 82 — Plagioclasite Sa—San-chhyOng 84 — The Ghhjvng- 

 möri-cJJd pass, the eastern border of the Cld-rl-san massif 

 85 — The Kyöng-sang formation of Cliap-clM 85 — Sam-ga in 

 a sandy Hat 86 — The basal conglomerate of the Upper 

 (volcanic) Kyöng-sang iormn^tion at Söng-ani 86^ — ^The Nak-tong- 

 gang and the " red formation " 87 — Black shale gold 88^ 



