﻿Report 
  of 
  the 
  State 
  Geologist. 
  

  

  537 
  

  

  Pentamerus 
  limestone 
  along 
  the 
  creek 
  and 
  canal 
  in 
  this 
  bend. 
  

   Its 
  character 
  is 
  illustrated 
  in 
  the 
  following 
  figure 
  : 
  

  

  Fig. 
  10.— 
  Arches 
  of 
  Pentamerus 
  limestone 
  on 
  Rondout 
  creek 
  just 
  west 
  of 
  the 
  bridge 
  on 
  the 
  

   turnpike 
  from 
  Rosendale 
  to 
  High 
  Falls. 
  A 
  , 
  south 
  bank; 
  B., 
  north 
  bank. 
  

  

  A 
  short 
  distance 
  southwest 
  there 
  is 
  either 
  a 
  slip 
  or 
  slight 
  

   anticlinal 
  in 
  the 
  general 
  synclinal 
  and 
  not 
  far 
  beyond 
  there 
  is 
  

   exposed 
  in 
  the 
  canal 
  bank, 
  a 
  low 
  arch 
  in 
  lower 
  Shaly 
  limestone 
  

   of 
  which 
  the 
  western 
  limb 
  extends 
  thence 
  westward 
  as 
  a 
  

   monocline. 
  

  

  The 
  pitch 
  to 
  the 
  northward 
  is 
  steep 
  in 
  the 
  vicinity 
  of 
  Eondout 
  

   creek 
  in 
  the 
  Eosendale 
  region 
  and 
  for 
  some 
  miles 
  above 
  and 
  as 
  

   shown 
  in 
  the 
  following 
  figure. 
  The 
  main 
  arch 
  of 
  the 
  Kosendale- 
  

   Whiteport 
  anticlinal 
  brings 
  up 
  the 
  Shawangunk 
  grit 
  south 
  of 
  the 
  

   creek. 
  

  

  Fig. 
  11.— 
  Cross 
  section 
  along 
  the 
  south 
  side 
  of 
  Rondout 
  creek 
  through 
  Rosendale. 
  Look 
  

   ing 
  north 
  US., 
  Upper 
  Shaly 
  and 
  Becraft 
  limestones; 
  P., 
  Pentamerus 
  and 
  Tentaculite 
  lime, 
  

   stone; 
  C, 
  Cement 
  series; 
  CI., 
  Clinton 
  and 
  Medina; 
  S., 
  Shawangunk 
  grit; 
  HR., 
  "Hudson 
  river 
  

   shales. 
  

  

  From 
  the 
  highest 
  arch, 
  this 
  formation 
  is 
  removed 
  and 
  the 
  

   Hudson 
  river 
  shales 
  extend 
  nearly 
  to 
  Rosendale. 
  Along 
  the 
  

   eastern 
  side 
  of 
  the 
  lower 
  Coxingkill 
  valley, 
  the 
  Shawangunk 
  grits 
  

   dip 
  down 
  a 
  steep 
  slope 
  into 
  a 
  meadow 
  underlaid 
  by 
  the 
  Clinton 
  

   an 
  1 
  Me-lina 
  formations 
  and 
  the 
  cement 
  series, 
  as 
  shown 
  in 
  figure 
  

   11. 
  West 
  of 
  the 
  kill 
  there 
  is 
  a 
  high 
  ridge 
  of 
  Pentamerus 
  lime- 
  

   stone 
  which 
  extends 
  to 
  the 
  Eondout 
  creek 
  where 
  it 
  exhibits 
  the 
  

   68 
  

  

  