Maryland Geological Suevey 387 



sandstone are red argillaceous sliales -uiiile to the west and above the 

 fossils is a band of red sandstone. This locality is about at the line of 

 division between the Jennings and Catskill formations as represented 

 on the Geological Map of the Piedmont Folio. 



From zones Nos. 2 and 3 of this section Clarke has identified the fol- 

 lowing specie? : Chonetes scitulus Hall, Vouvillina arcuata Hall, Dou- 

 villina cayitfa Mall, SchuclierteUa clievinngensis (Conrad), Spirifer dis- 

 jvnctiis Sowerby, Lo:ronema tercbra Hall, Murcldsonia (?) sp. 



The rocks along the road after turning to the north are mainly red 

 shales belonging in the Catskill formation. 



Shales occur by the highway on the hill to the southeast of North Glade 

 Eun which, buff in color, mealy in texture and quite micaceous, alternate 

 with red argillaceous and arenaceous shales. No fossils were found. The 

 dip is to the northwest and the outcrop is on the western side of the 

 anticlinal axis. 



On the road turning north at North Glade are greenish micaceous are- 

 naceous shales vandng to thin sandstones. No fossils were found in 

 rocks in place but in some of the loose blocks were plenty of Crinoid 

 segments. Above this outcrop are red argillaceous shales. 



On the road from North Glade to Swanton, which crosses the Jennings 

 formation, no fossils were found and very few exposures of rock occur. 

 From the turn, I14 miles west of Swanton, red shales of the Catskill 

 formation occur along that road toward the town. 



Exposure from Ness Lick Run io Altamont. — The Jennings and Cats- 

 kill rocks of the anticlinal fold which crosses Garrett County from the 

 northeast to the southwest do not form any conspicuous cliffs or ledges 

 in the vicinity of Oakland and Deer Park, still there are, perhaps, the 

 most satisfactory outcrops of the formations in the southern pai"t of the 

 county to be found along the several highways between these two towns. 

 This is especially true as far as the Jennings formation is concerned and 

 although there is not a continuously exposed section for any great 

 distance yet a verj- fair idea of its composition may be obtained. The 

 exposures are some of the Chemung stage of the Jennings and afford 

 the best collecting to be found in this formation in Maryland. The 



