522 The Upper Devonian Deposits of Maryland 



a; cj Q 



ice 





Cj X t-5 



Direction of run N. 75" W. S Lei's 2 Hi 



Thin-bedded green shale and interbedded grayish-green 



sandstone 898 57 719 



Thin-bedded green shale. N. 27° E. 80° W 838 38 662 



Grayish-green shale with interbedded thin gray sand- 

 stone in courses, 1 foot thick near bottom of unit 798 21 624 



Concealed 776 27 603 



Direction of run N. 65° W. 



Dark bluish-black and green fissile shale and occasional 

 bands of sandstone 2 to 3 inches thick. Dip 90° 748 48 576 



Direction of run due W. 

 Olive-green fissile shale 648 49 528 



Direction of run S. 45° W. 



Fissile green shale becoming more argillaceous towards 

 the top, containing the Buchiola speciosa fauna. Upper 

 75 feet bluish-black fissile shale. Dip. 90° W 590 33 479 



Direction of run S. 72° W. 



Olive-green fissile shale with occasional bands of blue 

 sandstone 481 32 446 



Dirjection of run N. 50° W. 



Olive-green fissile shale with occasional bands of blue 

 sandstone 431 17 414 



Olive-green fissile shale with occasional thin bands of 

 bluish sandstone. N. 30° E. 90° W 413 48 397 



Direction of run N. 85° W. 



Bluish-green fissile shale with an occasional band of 

 sandstone near the bottom. Containing the Buchiola 

 speciosa fauna 363 46 349 



Direction of run N. 45° W. 



Fissile bluish-green shale, in some places becoming al- 

 most black, resembling the Genesee, with thin bands of 

 blue sandstone 2 to 3 inches thick. N. 27° E. 90° W 313 47 303 



Olive-green thin-bedded shale with a few thin beds of 

 blue sandstone 2 to 3 inches thick 263 44 256 



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