248 NEW YORK STATE MUSEUM 



Feet Inches 



f 10 Compact, iiTOgularly bedded lime sandrock 



formin<» a single bed and very fossiliferous. 



j S p i 1* i f e r v a u ii x e m i predominates. 



With f 1 1 and f 12 this forms a solid cliff. . . 2 



f 9-f8 Lime sandrock showinj^ composition of shell 

 fragments on the weathered edge and rather 

 thin bedded in appearance when weathered. 6 3 



f 7-f 6 Heavy bedded lime sandrock, fossiliferous and 



chiefly made up of shell fragments 1 3 



f 5 Shaly lime mudrock with thin beds of Tenta- 

 culite limestone at the middle. Also con- 

 tains Lepcrditia 1 3 



f'l-f3 Dark heavy bedded lime mudrock. The 

 smooth weathered cross-section of the rock 

 has a curious granular structure like grains 

 of sand, which weather slightly in relief. 

 They give the rock an oolitic appearance, 

 which however is less apparent on fresh 

 fracture. This feature, though shown in f 1 

 and 2, is eminentlv characteristic of this 

 bed. Tn it also occur L e p e r d i t i a 

 a 1 1 a and S p i r i f e r v a n u x e m i 

 though less commonly. T e n t a c u 1 i t e s 



g^^racanthus also occurs 4 6 



f 2-f 1 Dark heavy bedded lime mudrocks with some 

 of the laj^ers banded. Contains Leper- 

 d i t i a a 1 t a and S p i r i f e r v a n - 

 / u X e m i in abundance 3 



Total Manlius exposed 33 3 



Rondout 



el2 Compact dark lime mudrock, exi)o.sed in the 



road, and api)arenlly Ihe bed forming the 



base of the quarry 1 



ell-el Concealed mostly 22 



Cobleskill 



<1 Iv\ posed in tlio I'oad 1 



