114 



GEOLOGICAL RECONNOISSANCE 





100? 



Sandstone of the millstone grit series. 



125? 



Calcareous bands. 



Sandstone of the millstone grit series, cel- 

 lular, and carbonaceous. 



Shales, including eight inches of coal. 



The subjoined is an 

 approximate section of 

 the order of superposi- 

 tion of the different beds 

 from the sandstones, in 

 the ridge south-east of 

 Fayetteville, to the black 

 shale, with carbonate of 

 iron, at the Lick, 1 mile 

 west of town. The ex- 

 act thickness of each of 

 the members I am una- 

 ble to give, until more 

 accurate measurements 

 and levels are taken to 

 the outcrop of the differ- 

 ent members, and correc- 

 tion for dip calculated ; 

 for the present, most of 

 the thicknesses are given 

 by computation from ob- 

 servations at different lo- 

 calities, rather than from 

 actual measurements at 

 one locality. But, we 

 hope, hereafter, to have 

 an opportunity of sub- 

 mitting a more complete 

 section, in detail, with 

 the absolute thickness of 

 the beds. 



The sandstones, that 

 form the upper portion 

 of this section, contain 

 some remarkable and 

 very curious impressions, 

 composed of subcylin- 

 drical branches, radia- 

 ting from a centre, bear- 

 ing a distant resem- 

 blance to some fossil 



