\ \i w JTORK 8TAT] KU81 VIS. 



40.09 



1 .03 



Id 1.8 



Silica 10.46 



100.58 



Thia Btone is used to a small degree for lime-making. 



AVI ampy tracts are abundant in Orange county, the 



writer lias not been able to prove the existence of marl under any 

 of them. 



The Lower Helderberg limestones, though known to occur 

 ale: aunemunk mountain in the eastern part of Orange 



inty, are not important there, but do form a prominent strip 

 along the western side of Shawangunk mountain. The Pen- 

 tamerns i- -< d in a quarry about 4 miles southwest of Otis- 



ville and was at one time burned for lime (pi. 59). A much bet- 

 ition is exposed in Bennett's quarry east of Port Jervis, 

 and adjoining tl 1 to Middletown at a point about 1 mile 



i\ of TriStates. This stone would be available for Portland 



aent manufacture. 



The Corniferous or Upper Helderberg forms a low ridge east 

 of Porl Jervis, and also underlies TriStates point. It is full of 

 chert nodu 



Orleans county 1 



This county, like several of the others bordering on Lake 



Ontario, contains a broad bund of the Niagara limestones. The 



ial utilized in every c >r the manufacture of lime is the 



»P] '"• Quarries are in operation at Barre Center, south 



rendon and Shelby. 

 the first named locality, the materia] used i^ chiefly disinte- 

 • At thia poini one of the quarrymen, 

 I: - • types of stone, viz, the porons, or 



<■ '. 4th diet N. V. ],. 433. 



