﻿860 
  

  

  NEW 
  YOKK 
  STATE 
  MUSEUM 
  

  

  CLAZ 
  

  

  The 
  following 
  table 
  of 
  clay 
  analyses 
  is 
  probably 
  the 
  most 
  corn- 
  

   number 
  of 
  different 
  sources. 
  The 
  analyses 
  are 
  arranged 
  under 
  

   clays, 
  slip 
  clays, 
  adobe 
  soils, 
  brick 
  clays, 
  shales, 
  paving 
  brick 
  clays, 
  

   the 
  iclay 
  whose 
  analysis 
  is 
  given 
  is 
  available 
  for 
  only 
  one 
  purpose, 
  

   used 
  for 
  several 
  different 
  products. 
  

  

  The 
  constituents 
  given, 
  in 
  nearly 
  every 
  instance, 
  are 
  silica, 
  

   water. 
  In 
  many 
  cases 
  titanic 
  oxid, 
  organic 
  matter, 
  phosphoric 
  

  

  The 
  following 
  abbreviations 
  are 
  used. 
  

   a 
  ferrous 
  oxid 
  

   h 
  lime 
  carbonate 
  

  

  Kesidual 
  

  

  

  state 
  and 
  county- 
  

  

  Tovirn 
  

  

  Material 
  

  

  SILICA 
  

  

  Alumina 
  

  

  

  6 
  

  

  !2i 
  

  

  Com- 
  

   bined 
  

  

  Free 
  

  

  Ferric 
  

   oxid 
  

  

  1 
  

  

  Alabama: 
  

   Calhoun 
  

  

  Morrisville 
  

  

  From 
  Knox- 
  

  

  ville 
  limestone 
  

  

  From 
  St 
  Clair 
  

  

  limestone 
  . 
  . 
  

  

  

  22.17 
  

  

  30.18 
  

  

  20.47 
  

   19.64 
  

  

  14.74 
  

  

  31.76 
  

  

  4.63 
  

   15.86 
  

   21.2 
  

  

  26.43 
  

  

  31.764 
  

  

  18.98 
  

  

  

  9, 
  

  

  Arkansas 
  

  

  

  55.42 
  

  

  33.55 
  

  

  58.63 
  

   61.66 
  

  

  76,78 
  

  

  52.03 
  

  

  90.05 
  

   72.35 
  

   65.35 
  

  

  54.54 
  

  

  72.164 
  

  

  70.83 
  

  

  8.8 
  

  

  8 
  

  

  Georgia: 
  

   Bartow 
  

  

  Cartersville 
  

  

  1.98 
  

   8.58 
  

  

  4 
  

  

  Polk 
  

  

  Rockmart 
  

  

  Caen 
  stone... 
  

   From 
  chert 
  .. 
  

  

  7.54 
  

  

  n 
  

  

  Kentucky: 
  

   Graves 
  

  

  

  1.64 
  

  

  ^ 
  

  

  Massachusetts: 
  

   Hampden 
  

  

  Blandf 
  ord 
  

  

  tr. 
  

  

  7 
  

   8 
  

  

  Missouri: 
  

   Iron 
  

  

  Lincoln 
  

  

  R. 
  R. 
  cut 
  at 
  Tiptop. 
  . 
  

   Morris 
  shaft 
  

  

  

  2.31 
  

   2.25 
  

  

  9 
  

  

  a 
  

  

  Colbert 
  

  

  

  2.06 
  

  

  in 
  

  

  North 
  Carolina: 
  

   Wake 
  

  

  Cary 
  

  

  

  9.04 
  

  

  11 
  

  

  Pennsylvania: 
  

   Lehigh 
  ................ 
  

  

  Fogelsville 
  

  

  From 
  slate... 
  

  

  .99 
  

  

  n 
  

  

  Wisconsin: 
  

   Wood 
  

  

  Grand 
  Rapids 
  

  

  1.34 
  

  

  

  

  

  

  

  

  

  