460 NEW YORK STATE MUSEUM 



tion is in a quarry in the bed of the creek on the estate of Ben- 

 jamin Morphy. The section extends from the canal southward 

 along a line passing near the next creek east of Morphy creek, at a 

 point 1.3 miles south of the Morphy quarry, and thence through 

 Adebahr hill. 



46F Section from Morphy's to the top of Adebalir hill 



F^ Canal level. Thick bedded, steel gray are- 

 naceous limestone with thinner mottled layers near 

 the top which contain Ophileta com- 

 p 1 a n a t a in abundance. Calciferous sandrock. 34'= 54' 



F^ Medium dark^ dove colored, very compact 

 fine grained limestone with conchoidal fracture and 

 containing occasional examples of Phytopsis 

 t u b u 1 o s a Hall. Birdseye limestone. 4'= 38' 



F^ Dark blue, fine grained limestone^ somewhat 

 lumpy, weathering to an ash-gray. Contains 

 corals. Base of Black river limestone. 5'' 



F* Dark blue fine grained limestone with oc- 

 casional small crystals of calcite. Contains corals 

 and Rafinesquina alternata (Con.) 

 Hall and Clarke. 8''= 39' 



F^ Dark blue, fine grained, compact limestone 

 with small sparkling crystals of calcite. Fos- 

 siliferous. 11'''= 40' 



F^ 2 feet covered, then i foot of dark blue 

 fine grained limestone with sparkling crystals of 

 calcite. Fossiliferous. 3'= 43' 



F^ Somewhat crystalline, blue fossiliferous 

 layer. Base of Trenton substage. 3" 



F^ Compact, fine grained, bluish gray layer 

 with glittering surface on fresh fracture. Fairly 

 abundant Trenton fossils. i'== 44' 



F^ Blue-black, fine grained massive limestone 

 weathering bluish gray with yellowish fucoid-like 

 markings on the vertical and horizontal faces. 

 Well preserved specimens of Rafinesquina 

 alternata are fairly abundant. 2' 6"= 47' 



