



















































98 RESEARCH IN CHINA. 
Feet. Meters. 
> 
4 , 
5 Huang-t’u 
- formation. 
g am f{ 0-230+| 0-70+]| Loess with beds of gravel and sand. 
J 
S00 —Unconformity.— u Li 7 a 
3 
) 
oR Shan-si 
ane vrai €sh 700+| 210+] Sandstone and shale with numerous 
ue formation. thin coal seams; rocks mostly buff, 
P green, brown, or black. 
aes —Unconformity.—|— 
i 
a) Kivchou e0t we [en eee) gz, 500-7 Go-1 |) Unitorm, dark limestone in massive 
2 formation. a ESE beds, rarely associated with gray 
KS) shales. 
: 
° 
=) 
ale} 
H 
a 
oO 
400+} 120+] Gray limestone in part shaly. Lo- 
cally conglomeratic and oolitic. 
8 Man-t’o shale. 180 to | 55 to | Red Spree with impure limestone 
a ; == and conglomerate. 
‘4 |__ Unconformity.__ So Soe SORES US ey sad ee ee Wee 
5 4) : ey Mp Ns : 
Bo ca ee SFT Gray slates and limestones. 
< Wu-t’ai series. BY cuiprass | See ae 
i. a Lif “op Yb Ay Schists, quartzites, and marble. 
; MCL pe Dike 
ie GME, 
g tai WLVAGE 
s ae wo be NGG, Gneiss, schists, and granite 
cP) complex. Gy iy : ; 
< BYE 
Meio A 

Total thickness of Paleozoic strata. - 3,550 | 1,020 
to 3,950 | to 1,130 
Fic. 16.—GENERALIZED SECTION OF RocKs oF Wu-T’Al DistTRIcT, SHAN-SI. 
