9i 



Thickness. 

 Feet. Metres. 



I — Four to six inch layers of blue to 

 bluish-grey, semi-crystalline limestone in 

 which fossils are not abundant 2-6i 



The fossils from Teitz' quarry are given in the fifth 

 column of the table on page 92. 



Section of Onondaga at Rockford. — At the mill at 

 the edge of the little village of Rockford, there is a splendid 

 natural exposure of the Onondaga limestone where the creek 

 plunges over a small ledge of rock and a good oportunity 

 to collect fossils is offered. The section follows : 



Thickness. 

 Feet. Metres. 



4 — Soil and drift 3 -915 



3 — Uneven bedded, bluish-grey limestone 

 with a considerable quantity of grey chert. 

 Along the west side of the outcrop these beds 

 seem to come down on the bottom beds. . . 9-52- 998 



2 — Semi-crystalline, bluish-grey lime- 

 stone with a very little chert and full of fos- 

 sil corals. These layers seem to pinch out 

 out to the west 6 1-83 



1 — Dark bluish layers of limestone which 

 are fully half chert. These layers present 

 a rough appearance and extend to the bottom 

 of the rock outcrop in Nanticoke creek... . 2- 61 



The fossils from the three horizons at Rockford are 

 given in the last column of the table on page 92. 



