﻿576 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  sive 
  marshes 
  near 
  Kandolph 
  and 
  Conewango 
  for 
  example 
  being 
  

   underlain 
  by 
  clay 
  throngbont 
  their 
  entire 
  extent.-^ 
  

  

  At 
  Levant, 
  4 
  miles 
  east 
  of 
  Jamestown, 
  Cbantauqua 
  co., 
  is 
  an 
  

   interesting 
  bed 
  of 
  blue 
  clay 
  underlying 
  an 
  area 
  of 
  several 
  acres. 
  

   It 
  is 
  probably 
  of 
  postglacial 
  age, 
  and 
  the 
  section 
  as 
  determined 
  by 
  

   an 
  artesian 
  well-boring 
  is: 
  

  

  Yellow 
  sand 
  4 
  feet 
  

  

  Quicksand 
  4 
  inches 
  

  

  Yellow 
  clay 
  5 
  feet 
  

  

  Blue 
  clay 
  YO 
  " 
  

  

  Hardpan 
  

  

  Total 
  thickness 
  83 
  " 
  

  

  The 
  owner 
  of 
  the 
  clay 
  bed 
  informed 
  me 
  that 
  leaves 
  were 
  often 
  

   found 
  between 
  the 
  layers 
  of 
  the 
  clay 
  at 
  a 
  depth 
  of 
  15 
  or 
  20 
  feet. 
  

  

  At 
  Breesport 
  near 
  Elmira 
  there 
  was 
  a 
  bank 
  of 
  blue 
  clay 
  rising 
  

   from 
  the 
  valley 
  to 
  a 
  hight 
  of 
  50 
  feet, 
  but 
  it 
  represents 
  the 
  lens- 
  

   shaped 
  type 
  of 
  clay 
  deposit 
  included 
  in 
  the 
  moraine 
  at 
  many 
  points, 
  

   and 
  has 
  been 
  worked 
  out. 
  A 
  similar 
  deposit 
  is 
  found 
  at 
  New- 
  

   field 
  6 
  miles 
  south 
  of 
  Ithaca, 
  where 
  a 
  moraine 
  crosses 
  the 
  val- 
  

   ley, 
  the 
  clay 
  forming 
  a 
  large 
  portion 
  of 
  one 
  of 
  the 
  morainal 
  hills, 
  

   but 
  surrounded 
  by 
  till. 
  Deposits 
  of 
  clay 
  suitable 
  for 
  brick 
  and 
  tile 
  

   occur 
  extensively 
  in 
  the 
  lowlands 
  bordering 
  the 
  Mohawk 
  river 
  

   from 
  Rome 
  to 
  Schenectady. 
  The 
  beds 
  vary 
  in 
  thickness 
  from 
  6 
  

   to 
  15 
  feet 
  and 
  are 
  mostly 
  of 
  a 
  red, 
  blue, 
  or 
  gray 
  color. 
  

  

  Among 
  the 
  most 
  extensive 
  and 
  important 
  clay 
  formation 
  is 
  

   occurring' 
  in 
  IsTew 
  York 
  are 
  those 
  of 
  the 
  Hudson 
  vallev.^ 
  Here 
  

   are 
  deposits 
  of 
  two 
  types: 
  1) 
  estuary 
  deposits 
  of 
  fine 
  stratified 
  

   sand, 
  yellow 
  and 
  blue 
  clay, 
  and 
  2) 
  cross-bedded 
  delta 
  deposits, 
  

   the 
  materials 
  of 
  which 
  are 
  much 
  coarser. 
  The 
  estuary 
  deposits 
  

   indicate 
  a 
  period 
  of 
  depression, 
  and 
  deposition 
  in 
  quiet 
  water. 
  

  

  1 
  Geol. 
  New 
  York, 
  4th 
  district. 
  1843. 
  

  

  2 
  H. 
  Hies, 
  Rep't 
  of 
  N. 
  T. 
  state 
  geologist, 
  1890. 
  

  

  