44 RESEARCH IN CHINA. 


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Fic. 4 (Blackwelder).—Ch’ang-hia, Shan-tung. Section of Cambrian strata in the north side of Man-t’o 
butte. 31=red granite; 2=soft yellow shales; 3=buff earthy limestone; 4=gray and buff calcareous 
shales; 5=syenite-porphyry sheet; 6=greenish shale; 7=earthy limestone; 8=maroon shale; 9= 
buff earthy limestone; 10 =white calcareous shale; 11 =red shale; 12 =olive-gray limestone; 13 =dark 
shales; 14=gray limestone; 15 =maroon shale; 16=gray limestone; 17 =brown and gray shales; 18 = 
gray limestone; 19 =brown shale; 20=thin-bedded, dark oolite and greenish shale; 21 =gray limestone 
with black oolitic bodies. This scale of thickness is indicated in feet. 
3 
Fic. 5 (Blackwelder).—Yen-chuang, Shan-tung. Section of Cambrian strata in the western part of the Kiu- 
lung-shan. 1=gray gneiss; 2=bright green shale; 3=gray earthy limestone; 4=dense blue-black 
limestone; 5=brown and yellow shale; 6=blue-gray limestone; 7=shaly gray limestone; 8 =dense 
blue-black limestone; 9 =yellow shale; 10=gray limestone and shale; 11 =slaty black limestone; 12 = 
chocolate slate; 13=brown shaly sandstone; 14=yellow shale; 15=buff earthy limestone; 16=red 
shale. (Section continued in fig. 6.) 












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Fic. 6.—17=black limestone; 18=yellow shale; 19=purple-gray limestone; 20=gray limestone; 21= 
yellow shale and thin limestone; 22 =red shale and thin limestcne; 23 =green-gray limestone; 24 =red 
and yellow shale; 25 =maroon shale; 26=greenish conglomeritic limestone; 27 =brown shale; 28 = 
buff earthy limestone; 29 =olive-green shale; 30=cross-bedded green-gray limestone; 31 =olive shale; 
32 =gray sandy limestone; 33 =hard dark oolite; 34=light and dark gray limestone; 35 =green shale; 
36=dense gray limestone; 37 =green nodular shale and thin limestone; 38 =massive dark limestone. 
The scale of thickness of figures 5 and 6 is indicated in feet. 
