﻿1 
  

  

  2 
  

  

  6.70 
  

  

  8.45 
  

  

  3.03 
  

  

  2.72 
  

  

  .21 
  

  

  .84 
  

  

  89.15 
  

  

  84.60 
  

  

  tr 
  

  

  3.42 
  

  

  99.09 
  

  

  100.03 
  

  

  LIMESTONES 
  OF 
  NEW 
  YORK 
  AND 
  THEIR 
  ECONOMIC 
  VALUE 
  439 
  

  

  The 
  following 
  analyses 
  represent 
  its 
  composition, 
  no. 
  1 
  being 
  

   the 
  lower 
  massive 
  rock 
  and 
  no. 
  2, 
  the 
  average 
  of 
  the 
  quarry 
  face: 
  

  

  Silica 
  

  

  Alumina 
  

  

  Ferric 
  oxid 
  

  

  Lime 
  carbonate 
  

  

  Magnesium 
  carbonate 
  

  

  From 
  Ingham 
  Mills 
  the 
  Trenton 
  limestone 
  passes 
  northwest- 
  

   ward 
  past 
  Salisbury 
  and 
  Norway 
  to 
  the 
  edge 
  of 
  the 
  county 
  where 
  

   it 
  forms 
  a 
  belt 
  whose 
  width 
  extends 
  from 
  Poland 
  to 
  Grant. 
  A 
  

   spur 
  also 
  extends 
  from 
  Poland 
  southeast 
  to 
  Middleville, 
  and 
  it 
  

   has 
  been 
  quarried 
  at 
  Newport. 
  

  

  Lewis 
  county 
  

  

  The 
  Trenton 
  limestone 
  extends 
  across 
  the 
  county 
  in 
  a 
  north- 
  

   westerly 
  direction 
  and 
  follows 
  the 
  line 
  of 
  the 
  Rome, 
  Watertown 
  

   & 
  Ogdensburg 
  R. 
  R. 
  It 
  has 
  been 
  quarried 
  at 
  several 
  localities 
  

   among 
  them 
  Leyden, 
  Lowville 
  and 
  Collinsville. 
  

  

  The 
  limestone 
  is 
  well 
  exposed 
  along 
  the 
  road 
  from 
  Port 
  Leyden 
  

   to 
  Leyden, 
  one 
  and 
  one 
  half 
  miles 
  south 
  of 
  the 
  former 
  locality 
  on 
  

   the 
  land 
  of 
  Peter 
  Snyder. 
  The 
  rock 
  here 
  is 
  a 
  fine 
  grained, 
  brittle 
  

   light 
  gray 
  stone, 
  full 
  of 
  calcite 
  eyes. 
  An 
  analysis 
  of 
  it 
  made 
  by 
  

   D. 
  H. 
  Newland 
  gave: 
  

  

  Silica 
  6.50 
  

  

  Alumina 
  1 
  . 
  67 
  

  

  Ferric 
  oxid 
  .76 
  

  

  Lime 
  carbonate 
  88 
  . 
  44 
  

  

  Magnesium 
  carbonate 
  2 
  . 
  68 
  

  

  100.05 
  

  

  This 
  same 
  stone 
  outcrops 
  for 
  some 
  distance 
  along 
  the 
  railroad 
  

   track 
  south 
  of 
  this 
  point. 
  

  

  