20 //. S. Bassler — Deep Well at Waverly, Ohio. 



natian formations, a fair thickness of Trenton, Lowville, and 

 Stones River, typical Saint Peter sandstone, and, finally, about 

 300 feet of rocks assigned to the Canadian. The various thick- 

 nesses given must be considered as only approximate, mainly 

 because they were calculated from two distinct logs. For some 

 reason the samples had been arranged in two sets, one measuring 

 from the top to a depth of 2,020 feet, and the other from the 

 bottom to a height of 2.200 feet. The two overlapping por- 

 tions were correlated with little difficulty, because this part of 

 the section was the most fossiliferous. The base of the well 

 is of particular interest and will be discussed later. 



Geologic /Section at Waverly, Ohio. 



Thickness 

 in feet. Depth. 



Mississippian: 



(b) Fine grained, drab " Waverly " sand- 

 stone exposed in hills of town above 



mouth of well . 100 



Similar standstone forming lower part 



of Waverly series 35 0- 35 



(a) Bituminous, fissile, black Ohio shale.. 450 35- 485 

 Devonian and Silurian : 



Mainly white, fine-grained sandstone 

 with traces of white limestone. This 

 material is so ground up by the drill 

 that the limestone which it may have 

 contained in some quantity has been 

 mainly pulverized and washed away. 

 The sandy material is evidently mostly 

 from the Ohio Silurian formations. 

 At the base of this portion are the red 

 and brown calcareous sandstones of 



Clinton age 415 485-900 



Cincinnatian: 



(c) Blue shale with a few fragments of 

 blue limestone. Fossils scarce, small 

 portions of only Dalmanella jugosa 

 being seen, but the strata are evidently 

 of Richmond and Maysville age, with 

 probably the Upper Eden shales rep- 

 resented 1065 900-1965 



(b) Blue shales containing rather numer- 

 ous Middle Eden fossils. The species 

 identified are: Rafinesquina alternata 

 (Eden variety), Plectambonites seri- 

 ceus, Dalmanella multisecta, Trematis 

 millepunctata, JPholidops cincinnati- 

 ensis, Callopora sigillarioides, Clima- 

 cograptus typicalis, Byssonychia vera, 

 Protowarthia cancellata, Ceratopsis 



