71 



Sinian Cambro- 

 ordovician. 



- (Unconformity )- 



Nan-touD 

 tillite 



Algonkian 



-(Unconformity). 



Huang-Iing2) 

 gneiss 



65 m. 



45 m- 



Glacial till; lower 30 m. not ob- 

 served. 



Conglomerate, arkose sadslone. 



Gneissoid quartz dioriie. 

 Gneiss and diorite. 



= Kui-cho series. 



Wu-shan 



limestone. 



S. NODA^' recognised, on the other hand, the following order of rock- 

 suecession, in the same district, which is essentially similar to but not quite 

 identical with that proposed by Wiixis and Bl^ckwelder : 

 Mesozoic : 



Hsing-shan*' red sand.stone series 

 Hsiang-chi ' coal bearing sandstone series 500 m. 



(Jurassic). > = 



Yeh-tan"' variegated slate series 100 m. 



(Triassic). 



Palaezoic : 



Mi-tsang'' limestone series 1 150 m. 



(^Permocarboniferous). 

 Upper Clayslate series 300 m. 



a. Thin slate 



b. Thin marl layer (Ordovician) 



c. Thick shale. 

 Ping-shan*" limestone series 400 m. 

 Lower Clayslate series 150 m. 

 Niu-kan'" limestone series 300 m. 



) Nan-tou = gffe 



2) Huang-ling = 



3) Noda: Geology of the Northwestern Part of Hu-peh-sheng (Japanese, with English Re- 

 sume). Rull. Imp. Geol. Surv. Japan, vol. XXV., No. i, 1915. Also this reports, \ ol. I I. 

 p. 462 et seq. 



4) Hsing-shan = ^ilj 



5) Hsiang-chi = §g| 



6) Yeh-tan^-aii 



7) Mi-tsang = ^;|- 



8) Ping-shan = 2p^ 

 gl Niu-kan = 4^ff 



> = 



Sin-tan shale 



+ transition beds. 



Ki-sin-ling 



limestone. 



