526 The Upper Devonian Deposits of Maryland 



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Arenaceous green shale with three heds of greenish-brown 

 sandstone in lower half. About 2000 vertically were found 

 DouviUina cayuta. Schuchertella chermingensis. About 2020 

 vertically were found Camarotocchia eximia, Douvillina It 



cayuta abundant, Schizophoria striatula var. marylandica, | 



Spirifer (Deltliyris) mesacostalis, Leptodesma niedon ' 



common 2172 42 2014 ^ 



Concealed 2124 164.3 1972 | 



Fissile olive-green shale and interbedded bands of sand- 5 



stone, all weathering yellow. Occasional beds of red f 



shale. A fine-grained conglomerate 18 inches thick occurs | 



at 1832 horizontally (1720 vertically). About 1750 ver- 

 tically were found Chonetes oaklandensis. DouviUina 

 cayuta. Schuchertella chemungensis, Cypricardella grcgaria 

 var. About 1700 vertically Leptodesvia sp. was found on 

 upper railroad 1936 175 1808 



Railroad N. 62° W. 



Green fissile shale, containing at top Schuchertella che- 

 mungensis. Spirifer sp. Aviculopecten ? sp., Orammysia 

 elliptica. Leda divcrsa ?, Pahroneilo sp., Sandbergeroceras 

 chemungensis ? 1736 G0.4 1633 



Massive coarse gray sandstone. At about this horizon the 

 Tropidoleptus carinatus fauna was found on a hillside, one- 

 half mile southwest of this section 1671 3.7 1572 



Fissile green shale and some interbedded sandstone. At 

 1516 horizontally (1427 vertically) a massive sandstone 

 occurs, and at 1426 horizontally (1343 vertically) a con- 

 glomeratic sandstone. At about 1400 vertically Cypri- 

 cardella marylandica ? small was found and at 1363 verti- 

 cally Spirifer disjunctus 1667 258.5 1569 



Green fissile and hackly shale and thin beds of sandstone. 

 Dip 70° W. contains at top Amboccclia umbonata abundant, 

 Camarotocchia sp., Spirifer (Delthyris) mesacostalis abun- 

 dant. About 1250 vertically occur Ambocalia umbonata 

 abundant, Spirifer {Delthyris) mesacostalis abundant. At 

 bottom occur Ambocalia umbonata abundant, Spirifer 

 (Delthyris) mesacostalis abundant 1390 155 1310 



Parkhead Sandstone Member 



Concealed. 19 feet of thick yellowish-green argillaceous 

 shale forms top of this unit on upper railroad 1224 126.9 1155 



