Maryland Geological Survey 489 



The Pai'khcad member is Avell exposed and abounds in fossils. They 

 are especially profuse in the upper conglomeratic sandstone which is 

 probably the same stratum as that exposed in the section described on 

 Sideling Hill Creek. 



The lower Chemung conglomerate, situated about 600 feet above the 

 base of the Chemung, is exposed at many localities in the vicinity of 

 Magnolia and Pawpaw. One of the more accessible localities is on the Bal- 

 timore and Ohio Eailroad one and one-half miles west of Pawpaw. Wher- 

 ever examined in the vicinity this conglomerate is found to contain 

 Tropidolepius carinatjis associated with other recurrent Hamilton species. 



-T77/. Section on Western Maryland Railroad Two Miles West of Pawpaw^ 



A number of fine sections of ^^arts of the Jennings formation are ex- 

 posed in the cuts of the Western Maryland Eailroad on the north bank 

 of the Potomac Eiver, west of Pawpaw. The more easterly of the ex- 

 posures are so involved in minor folding that it has not proved possible 

 to use them for the purpose of correlation. Approaching the Town Hill 

 syncline the structure becomes more simple, where an almost uninter- 

 rupted section of the middle and the upper part of the Jennings was 

 measured in the cuts of the Western Maryland Eailroad two miles west 

 of Pawpaw. The section begins at the center of a small ravine 3364 

 feet west of the western limits of the Pawpaw quadrangle and extends 

 eastward 4662.5 feet to the center of a small anticline. This is the most 

 complete section of the upper part of the Jennings seen in the State. 





Catskill Formation 'ggcg-l •- 



Center of ravine 



Concealed 13 11 



Red sandstone. N. 25° E. 58° W 80 56.9 



o ^' s 

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* Measured by tape. 



