CORRELATION TABLE OF 



Forma- 

 tion 



Slate belt of New York 



a) 



03 



Zone with Dipl. foliaceus, 

 Coryn. curtus and Lor- 

 raine fossils (Waterford) 



Zone with Dipl. quadri- 

 mucronatus, D. folia- 

 ceus, D. pusillus, 

 Coryn. curtus, Triar- 

 tlirus becki etc. (Rural 

 cemetery, etc.) 

 Transitional zone with C 1 i m a 

 cogr. caudatus, Cryp 

 togr. tricornis, Triar 

 thrus becki etc. (Mechan 

 [ icville, Van Schaick island) 

 Upper Dicellogr. zone (Lans 

 ingburg power-iiouse) 



Zone with Dipl. araplexi- 

 G ■{ c a u 1 i 8 (Troy) 



Li 





Lower Dicellogr. zone (Nor- 

 raanskill beds) 



d 



if 

 S 



a 



93 



a 



0) 



aq 



Zone with Dipl. d e n t a t u s 



and Cryptogr. anten- 



narius (Deep kill) 

 Transitional subzone(Mt Moreno) 

 Zone with Didymogr. bifi- 



d u s and Phyllogr. anna 



(Deep kill) 



Zone with Tetr. (Deep kill) 

 subz. b Goniogr. subzone 

 " a Clonogr. subzone 



I: 



Top of ! Zone with Dictyonenia fla- 

 Upper -! 

 Cambric 1 



belli forme 

 etc.) 



(Schaghticoke 



Middle J »t . ,.. 



Cambric ^o graptolites 



Lorrai 



Utica 



^^ 

 (Qu 

 tog 



St 



Upper 

 and 



(=Z( 



noj 



Lower 

 etc. 

 Co 

 Lap 



Beds i 



Point 



St A 

 and 

 shs 

 Di 



Main 



Dic< 



ZOI^ 



St, 



Nog 



'III 



