32 POTTS VILLE FAUNA OF OHIO 



In Fall Township on land of E. G. Marshall, the Lowellville (Pov- 

 erty Run) limestone outcrops in the bed of a small stream which flows 

 from the northeast into the Licking River at Holbein. Collections of 

 fossils were made from the limestone and from a dark shale at an unde- 

 termined distance above the limestone. The geologic section here shows 

 the following members (Locality 20) : l 



Limestone, shaly 



Limestone, hard, blue. 



Shale, calcareous 



Limestone, blue, hard. 



Lower Mercer. _ 



Feet Inches 



7 

 5 

 2 

 4 



Coal, clay, and covered. 10 6 



Sandstone, shaly 5 



Sandstone, massive 10 



Sandstone, shaly, with siliceous shales 11 



Shale, gray 3 



Clay shale with widely spaced papery coal 5 



Clay, siliceous 3 



Sandstone, massive, cross-bedded 13 10 



Disconformity 



Shale, calcareous 2 5 



Shale, hard, black, fossiliferous 1 4 



Limestone, gray, very fossiliferous ? Poverty Run < __ 4 



Limestone, dark, carbonaceous J L _ _ 1 



Shale, black, fissile, horizon Vandusen coal 7 



Shale, dark, carbonaceous 2 6 



The fossils listed from the limestone follow: 



Crinoid segments 

 Fenestella shumardi Prout? 



Derbya crassa (Meek and Hayden) 

 Chonetes choteauensis Mather 

 Productus cora d'Orbigny 

 Productus semireticulatus (Martin) 

 Marginifera muricata var. missouriensis Girty 

 Marginifera wabashensis (Norwood and Pratten) 

 Spiriferina kentuckyensis (Shumard) 

 Spirifer opimus Hall 

 Composita subtilita (Hall) 



A black shale containing much carbonaceous material and layers 

 of pyrite, one-eighth of an inch thick, occurs above the Lowellville 

 limestone at this locality, but its exact stratigraphic position was not 

 determined. The following fossils were obtained from this shale: 



Cordaites sp. 

 Calamites sp. 



^tout, W., Geol. Surv. Ohio, Fourth Ser., Bull. 21, p. 62, 1918. 



