

e-^& 









-•i'S 



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o " c 













.ti-°S 







H 



<-s5 



61 



2568 



50.5 



2507 



12.4 



2457 



Maryland Geological Survey 447 



BO 0) CJ o 



■■3-° S 

 3|o2 



B «« bD o 

 Q .5 "^ 



Road N. 72° W. sllil 



Concealed 4688 



Deep ravine. Old road leading N 4548 



Concealed 4548 



Olive-green and red shale 4428 



Olive-green and red arenaceous shale. In a sandstone at 

 the top occur Schuchertella ? potiderosa, Spirifer disjunc- 



tiis, 8. 7ncsastrialis very abundant 4398 54.5 244 



Olive-green shale breaking irregularly. An arenaceous 

 shale at top contains Spirifer disjunctus very abundant, g. 



mesastrialis 4268 46.5 2390 



Massive olive-green sandstone. At top occurs Spirifer 



mesastrialis 4158 14.5 2343 



Fissile olive-green shale 4123 6.5 2329 



Green hackly arenaceous shale and thin beds of sand- 

 stone. Containing at the top Ambocwlia umhonata com- 

 mon, Chonetes scitulus abundant, Spirifer (Delthyris) 



mesacostalis. PaUvoneilo plana, Schizodus oherni 4108 



Green arenaceous shale breaking irregularly 4058 



Splintery red shale. Dip 25° E. Containing at the top 

 Ambocwlia umhonata, Chonetes scitulus. Spirifer (Delthy- 

 ris) mesacostalis ? Cypricardella sp 3948 



Green shale breaking irregularly and weathering yellow. 3923 



Red shale breaking irregularly. Dip 48° E 3888 



Green shale. Dip 30° E 3838 



Concealed 3738 



Ravine 3718 



Concealed 3718 10 2123 



Third railroad crossing east of Millstone 3688 



Green shale and brown flaggy sandstone. Dip 20° E... 3688 



Shale and sandstone. At top Chonetes sp 3588 



21 



2322 



46.5 



2301 



10.5 



2255 



25.9 



2244 



37.4 



2218 



50 



2181 



8 



2131 



34 



2113 



17 



2079 



17 



2062 



12.5 



2045 



Parkhead Sandstone Member 



Red sandstone with partings of bluish and greenish shale 3548 



Green and blue sandstone with shale partings 3508 



Greenish sandstone conglomeratic in places and inter- 

 bedded shale 3478 8.5 2033 



Coarse conglomerate, containing at top Spirifer mesas- 

 trialis 3458 



Coarse massive green sandstone 3438 



Bluish shale and green flaggy sandstone 3428 



Bluish shale weathering yellow 3388 



Bluish shale breaking irregularly 3303 



Green shale breaking irregularly 3291 



8.5 



2024 



4 



2016 



17 



2012 



36 



1995 



5 



1959 



8.5 



1954 



