﻿Report 
  of 
  the 
  State 
  Geologist. 
  413 
  

  

  soft, 
  pyritiferous 
  shale, 
  crumbling 
  rapidly 
  on 
  exposure. 
  It 
  is 
  

   included 
  between 
  the 
  Niagara 
  limestone 
  above 
  and 
  the 
  Hudson 
  

   river 
  shales 
  exposed 
  a 
  short 
  distance 
  below. 
  The 
  exposure 
  was 
  

   found 
  to 
  terminate 
  a 
  short 
  distance 
  northwest 
  of 
  Howe's 
  Cave, 
  

   and 
  it 
  does 
  not 
  appear 
  to 
  extend 
  far 
  east 
  from 
  Schoharie.* 
  

  

  The 
  beds 
  holding 
  approximately 
  the 
  same 
  position 
  of 
  this, 
  begin- 
  

   ning 
  at 
  Eddy 
  ville 
  hear 
  Eondout 
  and 
  extending 
  southward, 
  are 
  quite 
  

   different 
  from 
  those 
  of 
  the 
  Schoharie 
  exposure. 
  There 
  comes 
  in 
  

   front 
  an 
  upper 
  member 
  of 
  white 
  or 
  gray 
  thin-bedded 
  quartzite, 
  

   which 
  is 
  followed 
  in 
  a 
  few 
  miles 
  by 
  an 
  underlying 
  series 
  of 
  hard 
  

   shaJes 
  varying 
  in 
  color 
  from 
  red 
  to 
  brown. 
  These 
  continue 
  for 
  

   several 
  miles 
  wish 
  an 
  average 
  thickness 
  of 
  about 
  twenty 
  feet 
  each, 
  

   the 
  quartzite 
  constituting 
  the 
  floor 
  of 
  the 
  cement 
  quarries 
  in 
  the 
  

   Kosendale-Whiteport 
  region. 
  One 
  cf 
  the 
  finest 
  typical 
  exposures 
  

   of 
  these 
  beds 
  is 
  in 
  the 
  cement 
  quarries 
  two 
  miles 
  northeast 
  of 
  

   Eosendale. 
  Here 
  the 
  quartzite 
  is 
  twenty 
  -two 
  feet 
  thick 
  and 
  con- 
  

   sists 
  of 
  regular 
  beds 
  three 
  to 
  twelve 
  inches 
  in 
  thickness, 
  in 
  greater 
  

   part 
  welded 
  together, 
  of 
  light 
  gray 
  color 
  with 
  buff-brown 
  streaks, 
  

   many 
  of 
  the 
  beds 
  having 
  a 
  characteristic 
  cross-bedding 
  within 
  

   themselves, 
  brought 
  out 
  by 
  slight 
  differences 
  in 
  tint. 
  The 
  over- 
  

   lying 
  cement 
  is 
  perfectly 
  conformable 
  and 
  in 
  greater 
  part 
  welded 
  

   to 
  the 
  quartzite, 
  but 
  is 
  strongly 
  contrasted 
  by 
  the 
  great 
  dissimi- 
  

   larity 
  of 
  its 
  materials. 
  The 
  shales 
  lying 
  below 
  the 
  quartzite 
  are 
  

   in 
  greater 
  part 
  dark 
  dull 
  red 
  in 
  color, 
  moderately 
  fine 
  grained, 
  

   massively 
  bedded 
  as 
  a 
  whole 
  but 
  breaking 
  into 
  shale 
  on 
  exposure, 
  

   and 
  have 
  a 
  thickness 
  of 
  twenty-five 
  feet 
  ; 
  one 
  or 
  two 
  beds 
  are 
  of 
  

   a 
  dirty 
  buff 
  tint 
  in 
  part, 
  and 
  at 
  the 
  top 
  there 
  are 
  two 
  inches 
  of 
  

   gray 
  shale 
  which 
  abruptly 
  give 
  place 
  to 
  the 
  quartzite. 
  About 
  

   four 
  inches 
  below 
  the 
  top 
  there 
  is 
  a 
  two-inch 
  layer 
  of 
  breccia 
  of 
  

   small 
  angular 
  masses 
  of 
  dark 
  gray-blue 
  cement-like 
  materials 
  in 
  a 
  

   gray 
  sand 
  matrix. 
  The 
  lower 
  portion 
  of 
  the 
  shales 
  merges 
  into 
  

   two 
  or 
  three 
  feet 
  of 
  dull 
  gray 
  green 
  grits 
  with 
  blotches 
  of 
  pyrite, 
  

   and 
  some 
  small 
  quartz 
  pebbles 
  which 
  lie 
  on 
  the 
  Hudson 
  river 
  

   shales 
  and 
  may 
  represent 
  the 
  beginning 
  of 
  the 
  Shawangunk 
  grit. 
  

  

  The 
  formation 
  is 
  again 
  well 
  exposed 
  in 
  the 
  railroad 
  cuts 
  (Red 
  

   Rock 
  cut) 
  between 
  Binne 
  water 
  and 
  Whiteport, 
  a 
  mile 
  due 
  west 
  

  

  * 
  The 
  exposure 
  terminates 
  by 
  dipping 
  beneath 
  the 
  surface 
  along 
  the 
  road 
  to 
  the 
  southwest 
  

   from 
  Howe's 
  Cave.— 
  H. 
  

  

  