470 The Upper Devonian Deposits of Maryland 



m a O 1 



_ c 



Woodmont Shale Memher 



c 



''i o c 



oi 



C— 6« - 



O .. C -i 





% >'& 





~ s.S 



ff 





c- 



^JE'^ 







^ 



= X c 











E- 



<'c J 



05 



1260 



33 



1155 



36 



1122 



19 



1086 



BEDS CONTAINING ITHACA FAUNA g c c g-o 



E -2 'Si-- ^ 



Green fissile shale 1266 



Brown fissile shale. Dip 87= W 1161 



Green fissile shale 1128 



Brown and green concretionary sandstone 1092 



Green smooth shale, containing at top Bryozoa, Chonetes 

 lepidiformis ?, Cyrtina hamiltonensis, Liorhynchus glohuli- 

 forme, Productella speciosa abundant, Schizophoria stria- 

 tula common, Spirifer viucronatus var. posterus abundant, 



Actinopteria cf. boydi, of. Palwoneilo brevis 1073 35.5 1067 



Concretionary sandstone grading into green shale. At 

 top are found Crytina hamiltonensis common, Liorhynchus 

 glohuJiforme common, Productella speciosa abundant, 

 Schizophoria striatula. Spirifer mucronatus var. posterus 

 abundant, Palaoneilo brevis, Ectenodesma birostratum. At 

 1030 horizontally (1020 vertically) were found Cyrtina 

 hamiltonensis, Liorhynchus globuliforme abundant, Pro- 

 ductella speciosa, Pugnax pugnus var. altus, Spirifer mucro- 

 natus var. posterus 1038 



Olive-green shale and concretionary sandstone 1011 



Red shale 943 



Olive-green fissile shale. Dip 90° W 923 



Olive-green shale. At top were found Productella spec- 

 iosa, Spirifer mucronatus var. posterus. Dip. 83° W. At 

 735 horizontally (728 vertically). Pugnax pugnus var. 



altus was found 782 65.3 770 



Olive-green shale, some interbedded sandstone. At top 

 occur Productella speciosa, Spirifer mucronatus var. pos- 

 terus, Palwoneilo constricta, P. brevis. At 520 horizontally 

 (515 vertically) occurs Atrypa reticularis 716 239 710 



BEDS CONTAINING NAPLES FAUNA 



Green shale and flaggy sandstone 477 



Concealed 412 



Road leading north 295 



Olive-green fissile shale and bands of flaggy sandstone. . 295 



Olive-green shale weathering to an ashen-white 278 



Olive-green fissile shale with bands of flaggy olive-green 



sandstone. Dip 84° W. increasing to 90° W. at top of unit 269 



Olive-green fissile shale 46 



Romney-Jenniiigs contact 



27 



1032 



68 



1005 



20 



937 



41 



917 



65 



471 



117 



406 



17 



289 



8.5 



272 



220 



264 



44 



44 









