Carb. 


Ordovician. 
Sinian. 

Cambrian. 

Archean. 

T’ai-shan. 
RESEARCH IN CHINA. 


Po-shan series. Cp 
-Unconformit y-|——— 
Tsi-nan 5 
dolomite. €0t 

Kiu-lung 
group. €ki 
Present land surface. 
Coal-bearing shales, 
ete: 


Dolomitic limestone, 
liver-brown,  blue- 
gray, and purplish 
colors. 



Ash-gray earthy lime- 
stone, partly shaly. 



Blue-gray limestone. 
Green shales, lime- 
stones, and lime- 
stone nodules. 
Oolitic dark limestone 


Man-t’o rs 
shales. 
-—Unconformit y-|——— 
T’ai-shan At 
complex. 
















MN 














Brown shales and lime- 
stones. 
Maroon and yellow 
shales. 
Buff shales and earthy 
limestones. 


t---1-1 


mleNIN ey 
LA} 




Gneiss, schists, and 
granite. 
Fic. 2.—SECTION OF THE SINIAN SYSTEM IN THE SIN-T’AI DiIsTRICT, SHAN-TUNG. 
