﻿252 
  . 
  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  hill 
  to 
  the 
  east 
  of 
  South 
  Berne. 
  The 
  rocks 
  in 
  the 
  high 
  land 
  of 
  

   the 
  northwestern 
  part 
  of 
  the 
  township 
  are 
  well 
  covered 
  by 
  soil 
  

   and 
  drift 
  and 
  there 
  are 
  two 
  small 
  glacial 
  lakes 
  in 
  the 
  north- 
  

   western 
  corner. 
  Near 
  the 
  head 
  of 
  the 
  brook 
  which 
  enters 
  the 
  

   Catskill 
  at 
  Preston 
  Hollow, 
  about 
  two 
  and 
  one 
  half 
  miles 
  west 
  of 
  

   Rensselaerville, 
  are 
  red 
  shales 
  which 
  are 
  approximately 
  950 
  feet 
  

   higher 
  than 
  those 
  on 
  the 
  bank 
  of 
  the 
  Catskill 
  below 
  Preston 
  

   Hollow. 
  

  

  LVI 
  A 
  1 
  . 
  On 
  the 
  bank 
  of 
  the 
  Preston 
  Hollow 
  brook, 
  approxi- 
  

   mately 
  160 
  feet 
  higher 
  than 
  the 
  red 
  shales 
  on 
  the 
  Catskill 
  is 
  an 
  

   olive 
  shale 
  at 
  the 
  base, 
  then 
  a 
  crumbly, 
  irregular 
  shale, 
  capped 
  by 
  

   a 
  coarse 
  sandstone 
  four 
  feet 
  thick 
  (A 
  3 
  ). 
  Near 
  the 
  southern 
  end 
  of 
  

   this 
  cliff 
  there 
  is 
  a 
  break 
  in 
  the 
  rocks 
  with 
  a 
  small 
  overthrust 
  

   fault. 
  At 
  this 
  place 
  the 
  crumbly 
  shale 
  is 
  shown 
  near 
  the 
  top 
  of 
  

   the 
  cliff, 
  while 
  at 
  its 
  northern 
  end 
  it 
  is 
  not 
  more 
  than 
  three 
  feet 
  

   above 
  the 
  water. 
  

  

  On 
  the 
  western 
  bank 
  of 
  Catskill 
  creek 
  three 
  fourths 
  of 
  a 
  mile 
  

   below 
  Preston 
  Hollow, 
  and 
  just 
  above 
  the 
  bridge 
  on 
  the 
  

   Preston 
  Hollow-Cooksburg 
  highway, 
  is 
  a 
  fine 
  exposure 
  of 
  red, 
  

   argillaceous 
  shale 
  20 
  feet 
  thick 
  (A 
  1 
  ). 
  Near 
  the 
  center 
  of 
  

   the 
  ledge 
  is 
  an 
  olive 
  band 
  while 
  some 
  of 
  it 
  is 
  mottled 
  red 
  and 
  

   green. 
  At 
  the 
  southern 
  end 
  of 
  the 
  cliff 
  is 
  a 
  stratum 
  of 
  coarse 
  

   grained, 
  grayish 
  sandstone 
  which 
  has 
  either 
  fallen 
  or 
  been 
  pushed 
  

   up. 
  There 
  is 
  a 
  small 
  anticline 
  shown 
  in 
  the 
  cliff 
  so 
  that 
  it 
  is 
  

   not 
  possible 
  to 
  make 
  any 
  general 
  estimate 
  of 
  the 
  dip 
  at 
  this 
  

   locality. 
  These 
  red 
  rocks 
  are 
  near 
  the 
  base 
  of 
  the 
  Oneonta 
  for- 
  

   mation 
  which 
  extends 
  only 
  about 
  one 
  mile 
  farther 
  south 
  along 
  

   the 
  creek 
  valley. 
  This 
  bluff 
  of 
  red 
  shale 
  is 
  barometrically 
  950 
  

   feet 
  lower 
  than 
  the 
  red 
  shale 
  near 
  the 
  head 
  of 
  the 
  Preston 
  

   Hollow 
  brook, 
  1350 
  feet 
  lower 
  than 
  the 
  top 
  of 
  Berne 
  hill 
  and 
  

   1100 
  feet 
  lower 
  than 
  the 
  base 
  of 
  the 
  red 
  shale 
  near 
  the 
  Turner 
  

   sehoolhouse 
  in 
  the 
  southwestern 
  part 
  of 
  Berne 
  township. 
  The 
  

   distance 
  between 
  these 
  two 
  localities 
  is 
  nine 
  miles 
  which 
  gives 
  

   a 
  S'SW 
  dip 
  of 
  approximately 
  120 
  feet 
  a 
  mile. 
  

  

  The 
  Oneonta 
  formation 
  extends 
  up 
  the 
  Catskill 
  valley 
  from 
  

   south 
  of 
  Cooksburg 
  to 
  near 
  the 
  county 
  line 
  below 
  Living- 
  

  

  