﻿LIMESTONES 
  OF 
  NEW 
  YORK 
  AND 
  THEIR 
  ECONOMIC 
  VALUE 
  445 
  

  

  1 
  Encrinal 
  limestone 
  containing 
  numerous 
  crinoid 
  stems. 
  Light 
  

   gray 
  in 
  color 
  but 
  often 
  spotted 
  with 
  red. 
  

  

  Samples 
  for 
  analysis 
  were 
  taken 
  by 
  the 
  writer 
  from 
  a 
  quarry 
  

   by 
  a 
  limekiln 
  one 
  and 
  one 
  half 
  miles 
  east 
  of 
  Lockport 
  and 
  along 
  

   the 
  canal. 
  The 
  rock 
  in 
  this 
  excavation 
  is 
  a 
  light 
  gray, 
  fine 
  

   grained, 
  massive 
  limestone 
  containing 
  numerous 
  fossils, 
  which 
  

   are 
  often 
  collected 
  into 
  large 
  bunches. 
  The 
  upper 
  layers 
  of 
  the 
  

   quarry 
  are 
  thinner 
  and 
  more 
  argillaceous 
  than 
  the 
  lower 
  ones. 
  

  

  The 
  composition 
  of 
  the 
  Niagara 
  limestone 
  in 
  this 
  quarry 
  is 
  

   shown 
  by 
  the 
  following 
  analysis 
  made 
  by 
  Mr 
  D. 
  H. 
  Newland: 
  

  

  Silica 
  7.09 
  

  

  Alumina 
  2 
  . 
  57 
  

  

  Ferric 
  oxid 
  .96 
  

  

  Lime 
  carbonate 
  56 
  . 
  19 
  

  

  Magnesia 
  carbonate 
  33 
  .42 
  

  

  100.46 
  

  

  South 
  of 
  the 
  town 
  of 
  Niagara 
  Falls 
  the 
  Niagara 
  limestone 
  is 
  

   quarried 
  for 
  burning 
  lime. 
  The 
  quarry 
  is 
  owned 
  and 
  operated 
  by 
  

   William 
  Messing. 
  The 
  following 
  is 
  an 
  analysis 
  of 
  this 
  stone 
  

   made 
  by 
  the 
  writer 
  : 
  

  

  Lime 
  42.21 
  

  

  Magnesia 
  17 
  . 
  45 
  

  

  Aluniiha 
  , 
  1.30 
  

  

  Ferric 
  oxid 
  , 
  .75 
  

  

  Silica 
  1.70 
  

  

  Carbon 
  dioxid 
  37 
  . 
  50 
  

  

  100.91 
  

   Oneida 
  county 
  

  

  The 
  Helderberg 
  limestones 
  extend 
  across 
  the 
  southern 
  portion 
  

   of 
  the 
  county 
  and 
  are 
  crossed 
  by 
  both 
  the 
  Utica, 
  Binghamton 
  and 
  

   Utica 
  branch 
  of 
  the 
  D. 
  L. 
  & 
  W. 
  R, 
  R. 
  

  

  In 
  the 
  Eastern 
  part 
  of 
  the 
  county 
  the 
  Trenton 
  limestone 
  ex- 
  

   tends 
  from 
  Poland 
  to 
  Boonville 
  in 
  a 
  belt 
  several 
  miles 
  wide 
  and 
  

   following 
  the 
  line 
  of 
  the 
  R. 
  W. 
  & 
  O. 
  R. 
  R. 
  The 
  Trenton 
  has 
  

  

  