BROADHEAD — COAL MEASURES IN MISSOURI. 



319 



Section on Missouri River (continued). 



153 

 154 



155 



156 



157 



158 



10 



4 



1 10 



159 2 6 



160 13 



1179 

 1184 



1183 

 1184 



1188 

 1190 



1193 

 1206 



Description. 



beautiful dendritic markings. Three- 

 quarters of a mile N.E. of Liberty, Clay 

 Co., it appears in railroad cut 13' in 

 thickness, of which the upper 4' is fine- 

 grained compact buff, containing reni- 

 forra concretions and lenticular beds of 

 chert; the next 5' is s coarse Oolitic 

 brownish-gray silicious, and the lower 

 is ashy-blue with buff shaly partings. 

 Fossils are very rare ; found an Orbicu- 

 loidea. 

 Dark olive and blue shales. 



Even bedded dark ash or bluish-gray 

 coarse limestone, somewhat shaly ; 

 contains Pr. splendens. 



Greenish olive argillaceous shales. 



Localities. 



Near 



ty- 



Liber- 



Parkville & 

 Liberty. 

 Lowest rock 

 at Parkville. 



i mile N.E. 

 of Liberty. 

 Hard compact limestone ; fracture shows Liberty, and 



a deep ashy-blue color ; a ferruginous 2 miles above 



crust is formed on exposure; is some- [Randolph. 



what concretionary : contains Pinnal 



Pr. cequicostatus, &c. 

 Drab and blue shales. 

 Hard, close-grained, thinly laminated, || mile N.E. 



blue calcareous sandstone; fossils in of Liberty. 



the upper 4", including Pecten, small Mo. Bluffs, 2 



Myalina, &c. 



miles above 

 Randolph. 



E. of Liberty 



Blue shales. 



Deep blue limestone with blue chert; on 



Missouri bluffs near the west line of and on Mis- 

 Clay Co. the upper part consists of souri bluffs 

 hard crystalline limestone, then 4' blue from west co. 

 limestone with lenticular beds of blue line nearly to 

 chert containing small Lamellabranch Liberty land- 

 fossils in the lower part; and at bottom ing. 

 4' deep blue concretionary argillaceous! 

 limestone in shales, and containing im- 

 pressions of plants (161). Three-quar- 

 ters of a mile N.E. of Liberty the sec- 

 tion appears thus : 



1. — 2' thinly laminated, blue, silicious 

 limestone, interstratified with blue 

 chert and containing many beautiful 

 univalves silicified ; also some im- 

 pressions of plants and carbonaceous 

 stains. 



2. — 2V blue silicious limestone, witli 

 beds of blue hornstone in lenticular 

 strata — vegetable impressions. 



3. — 8' blue limestone, with many fos- 

 sil plants ; also Myalina subqvadrata, 

 Myalina, Pinna, Orthoceras, &c 



