524 The Upper Devonian Deposits of Maryland 





— n C 



r- ■= — 3 S; o 



Catskill Formation 

 Railroad N. 35° W. iglgf ^ ;= 5 



East end of tunnel 3433 



Interbedded red and green sandstone and red shale. 



Dip 62° W 3433 33.2 



Red arenaceous shale and some thin-bedded green sand- 

 stone 3393 24.9 



Reddish-brown arenaceous shale and some green shale.. 3363 29.2 



Jennings Formation 



Chemung Sandstone Member 



Jennings-Catskill contact 3328 2984 



Green hackly shale. Dip 72° W 3328 16.6 2984 



Concealed in part. Arenaceous green shale and brown 

 sandstone fragments. At 3292 horizontally (2957 verti- 

 cally) occur Camarotccchia contracta abundant, Spirifer 

 disjunctus abundant, Leptodesma sp. At 3268 horizontally 

 (2941 vertically) occur Athyris angelica, Camarotcechia 

 contracta abundant, C eximia common, Spirifer disjunctus 



abundant 3308 



Grayish-green and brown sandstone. Dip 48° W 3258 



Arenaceous green shale and thin-bedded green and brown 



sandstone 3248 



Fissile shale and thin beds of sandstone 3198 



Massive grayish-green sandstone 3178 



Grayish-brown sandstone and a little interbedded shale. . 3171 



Massive conglomerate 3159 



Green and brown interbedded shale with a bed of thin- 

 bedded sandstone at the top 3157 64 2867 



Concealed. A massive conglomerate sandstone occurs 

 at 2990 horizontally (2756 vertically). About 2800 ver- 

 tically occur Spirifer disjunctus, Grammysia elliptica, Lep- 

 todesma sp 3062 94.5 2804 



Railroad N. 59° W. 



Concealed 2922 199.2 2710 



Second-class road crosses railroad 2722 2510 



Green and brown arenaceous shale with several beds of 

 brown sandstone 1 foot thick. Loose fragments of con- 

 glomerate on hillside on strike of top of this unit. Ap- 

 proximate position of upper Chemung conglomerate 2510 



to 2520 2722 90.6 2510 



Brown sandstone 2632 3.9 2420 



32.5 



2967 



6.5 



2935 



33.7 



2928 



13.4 



2894 



4.6 



2881 



8 



2876 



1 



2868 



