﻿I 
  M 
  

  

  EXTENSION 
  OF 
  ZONE 
  OF 
  NORMANS 
  KILL 
  &EDS 
  

   I 
  /.</,/, 
  /• 
  DiceUogmptus 
  beds) 
  

  

  That 
  the 
  Dicellograptua 
  beda 
  extend 
  farther 
  south 
  along 
  the 
  

   Hudson 
  river 
  is 
  fully 
  demonstrated 
  by 
  the 
  collection 
  made 
  by 
  

   Ford 
  at 
  Bchodack 
  Landing 
  and 
  by 
  the 
  rich 
  collecting 
  grounda 
  of 
  

  

  ptolitea 
  near 
  Stockport 
  <>n 
  the 
  Kinderhook 
  creek 
  and 
  at 
  Mt 
  

   Moreno, 
  Dear 
  Hudson. 
  An 
  occurrence 
  worthy 
  of 
  record 
  is 
  the 
  

   alternation 
  of 
  indurated 
  green 
  slate 
  containing 
  fucoids. 
  with 
  

   black, 
  graptolite-bearing 
  shales, 
  in 
  a 
  quarry 
  at 
  the 
  north 
  side 
  of 
  

   Ml 
  Moreno 
  where 
  the 
  alternating 
  hands 
  often 
  do 
  not 
  exceed 
  an 
  

   inch 
  in 
  thicknee 
  

  

  The 
  presence 
  of 
  the 
  Normans 
  kill 
  fauna 
  at 
  the 
  Poesten 
  kill 
  near 
  

   Troy, 
  at 
  Rensselaer, 
  the 
  Moordener 
  kill, 
  Bchodack 
  Landing, 
  the 
  

   Kinderhook 
  creek 
  and 
  Hudson, 
  all 
  east 
  of 
  the 
  Hudson 
  river, 
  and 
  

   at 
  the 
  Normans 
  kill 
  (Kenwood) 
  and 
  the 
  Abbey 
  (Glenmont), 
  west 
  

   of 
  the 
  river, 
  demonstrates 
  the 
  presence 
  of 
  a 
  zone 
  of 
  Normans 
  

   kill 
  or 
  Dicellograptua 
  beda 
  to 
  the 
  east 
  of 
  the 
  other 
  zones, 
  as 
  a 
  

   glance 
  at 
  the 
  map 
  will 
  show. 
  This 
  zone 
  may 
  extend 
  northward 
  

   through 
  Vermont 
  into 
  Canada. 
  It 
  has 
  also 
  been 
  found 
  in 
  Maine 
  

  

  • 
  

  

  TAXONOMIC 
  POSITION 
  OF 
  THE 
  NORMANS 
  KILL 
  GRAP- 
  

  

  TOLITE 
  BEDS 
  

  

  In 
  tin* 
  region 
  northeast, 
  easl 
  and 
  southeast 
  <>f 
  Albany 
  the 
  

  

  Normana 
  kill 
  zone 
  is 
  cut 
  off 
  by 
  the 
  overthrust 
  fault 
  which 
  

  

  brought 
  it 
  in 
  contact 
  with 
  the 
  Cambric 
  beds. 
  Farther 
  south 
  it 
  

  

  haa 
  been 
  found 
  t<» 
  rest 
  on 
  lower 
  Trenton 
  limestone 
  (33). 
  These 
  

  

  oton 
  limestone 
  beds, 
  which 
  are 
  in 
  the 
  north 
  only 
  indicated 
  by 
  

  

  the 
  conglomerate 
  beds 
  of 
  Ryaedorph 
  hill, 
  the 
  Moordener 
  kill 
  and 
  

  

  odacfc 
  Landing, 
  wonld, 
  hence, 
  constitute 
  a 
  fifth 
  zone. 
  Be- 
  

  

  tw< 
  - 
  /one 
  and 
  the 
  zone 
  of 
  middle 
  Trenton 
  shales 
  and 
  liine- 
  

  

  ag 
  ;it 
  Watervliet 
  and 
  south 
  Troy, 
  is 
  now 
  inter- 
  

  

  Dicellograptua 
  zone. 
  There 
  can. 
  hence, 
  in 
  the 
  mass 
  of 
  

  

  "Hudson 
  river 
  shales" 
  be 
  discerned 
  four 
  zones 
  from 
  west 
  to 
  east, 
  

  

  mely: 
  

  

  