﻿142 
  

  

  TWENTY-FIRST 
  REPORT 
  ON 
  THE 
  STATE 
  CABINET. 
  

  

  Sections 
  of 
  Gravel 
  Banks. 
  

  

  Fig. 
  15. 
  

  

  In 
  Greenbush 
  I 
  have 
  carefully 
  observed 
  a 
  

   ~ 
  ~-r 
  — 
  ~~~ 
  / 
  <> 
  y} 
  gravel 
  hill 
  b 
  (fig. 
  15), 
  upon 
  which 
  red 
  clay 
  rests, 
  

   WJ3 
  3§S0$&0i 
  aR 
  d 
  against 
  which 
  lies 
  undisturbed, 
  horizontal, 
  

  

  — 
  — 
  — 
  ^oO'-^, 
  '■'.■.'J 
  £ 
  ^ 
  C 
  

  

  ~^-^=^ 
  r 
  ^pf^£- 
  laminated, 
  red 
  clav 
  a. 
  The 
  locality 
  is 
  one 
  quar- 
  

  

  "~^^fe?^i|^g» 
  ter 
  of 
  a 
  mile 
  east 
  from 
  the 
  South 
  Ferry. 
  At 
  

  

  f 
  e*V«**5^"«feS 
  the 
  Patroon's 
  a 
  remarkable, 
  inclined 
  bed 
  of 
  clav 
  

  

  ;ravel, 
  as 
  shown 
  in 
  fig. 
  16. 
  

  

  lies 
  under 
  and 
  over 
  gj 
  

  

  Fig. 
  16. 
  

  

  1. 
  Soil. 
  2. 
  Slightly 
  sorted 
  gravel. 
  3 
  and 
  4. 
  Eed 
  and 
  blue 
  

   clay 
  with 
  concretions. 
  (The 
  coloration 
  is 
  independent 
  of 
  the 
  

   laminae.) 
  5. 
  Stratified, 
  coarse 
  and 
  fine 
  sands, 
  with 
  rarely 
  lenticu- 
  

  

  Beyond 
  this 
  section 
  the 
  hill 
  rises 
  100 
  

  

  lar 
  beds 
  of 
  coarse 
  gravel, 
  

   feet 
  higher. 
  

  

  Fig. 
  17. 
  

  

  Fig. 
  17 
  is 
  a 
  section 
  of 
  

   a 
  gravel 
  bank 
  near 
  the 
  

   Patroon's, 
  representing 
  

   faults 
  in 
  beds 
  of 
  fine 
  and 
  

   coarse 
  (dark 
  and 
  yellow) 
  

   sand. 
  The 
  height 
  of 
  the 
  

   section 
  is 
  live 
  feet. 
  Fig. 
  

   18 
  is 
  a 
  section, 
  six 
  feet 
  in 
  

   height, 
  from 
  the 
  same 
  

   locality, 
  also 
  representing 
  

  

  