﻿CLAYS 
  OF 
  NEW 
  YORK 
  

  

  861 
  

  

  AJSTALYSES 
  

  

  plete 
  that 
  has 
  ever 
  been 
  published; 
  it 
  has 
  been 
  compiled 
  from 
  a 
  

   the 
  following 
  heads 
  : 
  residual 
  clays, 
  kaolins, 
  fire 
  clays, 
  pottery 
  

   terra 
  cotta 
  clays 
  and 
  pipe 
  clays. 
  This 
  is 
  not 
  intended 
  to 
  mean 
  that 
  

   for, 
  on 
  the 
  contrary, 
  it 
  frequently 
  happens 
  that 
  one 
  clay 
  can 
  be 
  

  

  alumina, 
  ferric 
  oxid, 
  lime, 
  magnesia, 
  alkalis, 
  combined 
  and 
  free 
  

   acid 
  and 
  sulfuric 
  acid 
  have 
  been 
  determined. 
  

  

  c 
  titanic 
  acid 
  

  

  d 
  magnesium 
  carbonate 
  

  

  e 
  organic 
  matter 
  

  

  clays 
  

  

  

  Lime 
  

  

  Magnesia 
  

  

  Alkalis 
  

  

  o 
  

  

  

  

  

  1 
  

  

  .15 
  

  

  1.45 
  

  

  2.49 
  

  

  2 
  

  

  3.89 
  

  

  .26 
  

  

  1.57 
  

  

  3 
  

   4 
  

  

  tr. 
  

  

  tr. 
  

  

  1.43 
  

   tr. 
  

  

  4. 
  

   2.32 
  

  

  5 
  

  

  tr. 
  

  

  .389 
  

  

  1.557 
  

  

  6 
  

  

  tr. 
  

  

  .54 
  

  

  

  7 
  

  

  tr. 
  

  

  tr. 
  

  

  und. 
  

  

  8 
  

  

  1.09 
  

  

  1.48 
  

  

  

  9 
  

  

  1 
  A 
  

  

  .52 
  

  

  1.27 
  

  

  

  11 
  

  

  .224 
  

  

  .698 
  

  

  5.139 
  

  

  12 
  

  

  .24 
  

  

  .02 
  

  

  2.59 
  

  

  Com- 
  

   bined 
  

  

  Free 
  

  

  9.86 
  

  

  10.72 
  

  

  7.26 
  

  

  4.894 
  

  

  Miscel- 
  

   laneous 
  

  

  P3O52.58 
  

  

  15.55 
  

  

  2.72 
  

  

  3.05 
  

   4.83 
  

  

  1.46 
  

   2.14 
  

  

  9.87 
  

  

  4.758 
  

  

  5.45 
  

  

  Loss 
  

   2.46 
  

   Loss 
  

   2.64 
  

  

  CO^ 
  1.02 
  

  

  Firm 
  name, 
  authority, 
  

   or 
  analyst 
  

  

  From 
  Ark. 
  geol. 
  sur. 
  rep't 
  on 
  

  

  manganese 
  

   Georgia 
  geol. 
  sur, 
  1893 
  

  

  Ky. 
  geol. 
  sur., 
  chem. 
  rep't 
  A, 
  pt 
  3 
  

   Tech 
  quart. 
  1890 
  

  

  Mo. 
  geol. 
  564 
  

   Ibid., 
  2: 
  1872, 
  11: 
  288 
  

  

  Penn. 
  geol. 
  sur. 
  D, 
  p.lS 
  

   Wis. 
  ae. 
  sci. 
  1870-76 
  

  

  