JOURNEYS THROUGH KOREA. 107 



of mine. All the way up to Ön-yang, his path ran on the 

 masanite terrane except at two points, one near Yanrj-san wliere 

 porphyrite occurs in a patch, and the other midway between the 

 two eumnais near the monastery of Thong-do-sä ^^ the porphyrite 

 always capping granitic (masanitic) rocks. North of Ön-yang, the 

 " red series " of Ulsan reappears along the road, being replaced 

 on the north by the outcrop of masanite at Nam-san, already 

 referred to as tiie locality for quartz "'. 



(1 mri^ 



3) See footnote, page 100. 



