﻿212 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  O 
  

  

  DISTRIBUTION 
  OF 
  FOSSILS 
  IN 
  THE 
  SILURIC 
  BEDS 
  

  

  Synopsis 
  of 
  strata: 
  

  

  Medina 
  i 
  Upper 
  Medina 
  sandstones 
  and 
  shales 
  

  

  2 
  Clinton 
  lower 
  shale 
  

  

  3 
  Clinton 
  lower 
  limestone 
  (mainly 
  

   lowest 
  4 
  feet) 
  

  

  Clinton 
  beds 
  \ 
  4 
  Clinton 
  upper 
  limestone 
  (crystalline) 
  

  

  5 
  Top 
  beds 
  of 
  Clinton 
  limestone 
  

  

  6 
  Clinton 
  lens. 
  Niagara 
  gorge 
  

  

  7 
  Clinton 
  lens. 
  R. 
  W. 
  & 
  O. 
  railroad 
  

  

  8 
  Lowest 
  foot 
  of 
  shale 
  

  

  9 
  Shale 
  3 
  feet 
  above 
  Clinton 
  limestone 
  

  

  10 
  Shale 
  4 
  feet 
  above 
  Clinton 
  limestone 
  

  

  11 
  Shale 
  5 
  feet 
  above 
  Clinton 
  limestone 
  

   Lower 
  shale 
  { 
  12 
  Shale 
  6 
  to 
  8 
  feet 
  above 
  Clinton 
  lime- 
  

   stone 
  

  

  13 
  Shale 
  19 
  feet 
  above 
  Clinton 
  limestone 
  

  

  14 
  Shale 
  25 
  feet 
  above 
  Clinton 
  limestone 
  

   [ 
  15 
  Bryozoa 
  beds 
  

  

  Upper 
  shale 
  16 
  Upper 
  shales 
  

  

  17 
  Lockport 
  limestones 
  

  

  18 
  Waterlime, 
  Buffalo 
  

  

  19 
  Manlius 
  limestone 
  

  

  