174 F2. 



Tlaie XV: 



MarcelhJis ore, north ofNBlnomfiekl. 



Fig. I Local map 



nillllllllll lower Hamilton shale. 



V 'iWM Marcelhis shale and Time, 



v/t CZ! OrisTzany sandstone, 



vr ^^ Lewislown limestone. 



Fig. 2. Cross section 



F2. 



