﻿518 
  \ 
  i:w 
  5 
  • 
  >RK 
  B 
  i 
  Nil' 
  M 
  i 
  si.i'M 
  

  

  tnv. 
  where 
  alternating 
  fine 
  grained 
  sandstone, 
  conglomerate 
  

   lid 
  gray 
  fissile 
  argillaceous 
  and 
  arenaceous 
  shales 
  occur. 
  

   These 
  rocks 
  did 
  not 
  yield 
  any 
  fossils; 
  but, 
  as 
  they 
  are 
  lithologic- 
  

   Bily 
  similar 
  to 
  the 
  Lorraine 
  beds 
  of 
  the 
  Mohawk 
  valley, 
  dip 
  regu- 
  

   larly 
  ai 
  l^ 
  io 
  d 
  80 
  \\ 
  and 
  aiv 
  consequently 
  outside 
  of 
  the 
  

  

  nn 
  of 
  disturbance 
  of 
  the 
  Hudson 
  river 
  valley 
  and 
  probably 
  

  

  iinuous 
  with 
  the 
  Lorraine 
  beds 
  of 
  the 
  Mohawk 
  valley, 
  they 
  

  

  can 
  with 
  a 
  sufficient 
  degree 
  of 
  certainty 
  be 
  correlated 
  with 
  these 
  

  

  de. 
  Furthermore, 
  [Jtica 
  shale 
  fossils 
  (see 
  i><l<>ir 
  station 
  31) 
  

  

  were 
  found 
  in 
  underlying 
  rocks 
  farther 
  down 
  the 
  creek. 
  Similar 
  

  

  shining 
  gray 
  fissile 
  shales 
  were 
  found 
  on 
  the 
  south 
  bank 
  of 
  the 
  

  

  nMiis 
  kill 
  about 
  a 
  mile 
  above 
  (west) 
  the 
  mouth 
  of 
  the 
  Vly; 
  

   and 
  an 
  excellent 
  exposure 
  of 
  Lorraine 
  beds 
  was 
  met 
  at 
  French 
  

   mills, 
  11 
  miles 
  west 
  of 
  Albany, 
  where 
  gray 
  sandstone 
  banks, 
  10 
  

   feet 
  and 
  more 
  in 
  thickness 
  with 
  intercalated 
  shales, 
  cross 
  the 
  

  

  river. 
  

  

  South 
  of 
  this 
  neighborhood, 
  at 
  the 
  Indian 
  Ladder, 
  the 
  Lorraine 
  

   beds 
  underlie 
  the 
  Manlius 
  limestone, 
  and 
  yielded 
  Dalmanel- 
  

   1 
  a 
  t 
  est 
  u 
  din 
  a 
  r 
  i 
  a 
  and 
  T 
  r 
  i 
  ii 
  u 
  c 
  Lens 
  c 
  o 
  n 
  c 
  e 
  n«t 
  r 
  i 
  c 
  u 
  s, 
  

   eported 
  by 
  Walcott. 
  Other 
  outcrops 
  of 
  Lorraine 
  beds 
  can 
  be 
  

   observed 
  at 
  several 
  places 
  along 
  the 
  foot 
  of 
  the 
  Helderberg 
  

   mountains. 
  One 
  of 
  the 
  best 
  of 
  these 
  is 
  that 
  along 
  Sprayt 
  kill 
  

   at 
  South 
  Bethlehem, 
  where, 
  below 
  the 
  railroad 
  bridge, 
  some 
  20 
  

   feet 
  of 
  sandstone 
  causes 
  a 
  waterfall 
  and 
  farther 
  n]>, 
  at 
  Callanan's 
  

   road 
  metal 
  quarry, 
  the 
  contact 
  with 
  the 
  CJpper 
  Siluric 
  Water- 
  

   lime 
  ie 
  • 
  d. 
  Numerous 
  sandstone 
  banks 
  alternate 
  here 
  with 
  

   lighl 
  colo 
  <i't. 
  argillaceous 
  shale 
  and 
  some 
  bands 
  of 
  more 
  

   tie. 
  In 
  the 
  shale, 
  18 
  feet 
  below 
  the 
  Waterlime, 
  a 
  Cory- 
  

   id 
  « 
  • 
  s 
  was 
  found. 
  These 
  beds 
  dip 
  slightly 
  southwest. 
  A 
  very 
  

   adstone 
  with 
  bluish 
  green 
  mud 
  pebbles 
  is 
  exposed 
  4J 
  

   rail, 
  nil 
  dose 
  below 
  the 
  Waterlime 
  and 
  Manlius 
  lime- 
  

   the 
  road 
  leading 
  from 
  Ravena 
  to 
  Aquetuck. 
  It 
  

   60 
  e 
  and 
  dips 
  40°, 
  n 
  L50° 
  e, 
  is 
  hence, 
  again 
  involved 
  

   lilting 
  io 
  the 
  east, 
  characteristic 
  of 
  the 
  Hudson 
  valley 
  re- 
  

   i. 
  It 
  is 
  doubtful 
  whether 
  iliis 
  sandstone 
  still 
  belongs 
  to 
  the 
  

   Lo 
  heady 
  the 
  sandy 
  development 
  of 
  a 
  deeper 
  

   rike 
  would 
  carry 
  it 
  far 
  to 
  the 
  east 
  of 
  the 
  Lorraine 
  

  

  