﻿192 
  

  

  NEW 
  YORK 
  STATE 
  MUSEUM 
  

  

  of 
  Albany, 
  showing 
  well 
  the 
  overthrust 
  of 
  the 
  Cambric 
  rocks 
  over 
  

   the 
  Lower 
  Siluric 
  [text 
  fig. 
  34]. 
  

  

  Fig. 
  4 
  Diagram 
  section 
  saovving 
  tne 
  relation^of 
  the 
  Lower 
  Cambric 
  lime- 
  

   stone 
  (B, 
  C) 
  and 
  shale 
  (A) 
  to 
  the 
  Hudson 
  shale 
  !(0h) 
  as 
  exposed 
  at 
  the 
  local- 
  

   ities 
  near 
  Schodack 
  Landing 
  in 
  Rensselaer 
  county. 
  (Copy 
  from 
  Dale) 
  

  

  We 
  also 
  refer 
  in 
  this 
  connection 
  to 
  the 
  section 
  from 
  the 
  Rome 
  

   (Ga.) 
  folio, 
  inserted 
  here 
  as 
  example 
  of 
  overthrust 
  inliers, 
  as 
  

   showing 
  that 
  extensive 
  overthrusts 
  of 
  like 
  character 
  as 
  the 
  one 
  here 
  

   assumed 
  are 
  actually 
  known 
  to 
  occur 
  in 
  the 
  southern 
  Appalachians. 
  

  

  If 
  Dr 
  Ulrich's 
  and 
  the 
  writer's 
  conception 
  of 
  the 
  structure 
  of 
  the 
  

   slate 
  belt 
  is 
  correct, 
  the 
  belts 
  of 
  '' 
  Hudson 
  slate 
  " 
  between 
  the 
  

   Stockbridge 
  limestone 
  and 
  the 
  Cambric 
  at 
  the 
  north 
  end 
  of 
  the 
  

   Taconic 
  mountains 
  are 
  most 
  probably 
  wedges 
  between 
  thrust 
  faults. 
  

  

  There 
  have 
  been 
  distinguished, 
  altogether, 
  14 
  kinds 
  of 
  inliers 
  in 
  

   this 
  essay, 
  which 
  are 
  of 
  very 
  different 
  importance. 
  They 
  may 
  be 
  

   grouped 
  as 
  follows: 
  

  

  r 
  I 
  Deposition 
  inliers, 
  resulting 
  from 
  burying 
  by 
  

  

  I 
  newer 
  strata 
  of 
  

  

  a 
  original 
  outHers 
  

   h 
  erosional 
  irregularities 
  of 
  surface 
  

   c 
  lenses 
  and 
  reefs 
  

  

  A 
  

  

  Caused 
  by 
  

  

  action 
  of 
  

  

  water 
  

  

  2 
  Erosion 
  inliers, 
  comprising 
  those 
  resulting 
  from 
  

   a 
  corrasion 
  — 
  ■ 
  corrasion 
  inliers 
  

   h 
  solution 
  — 
  " 
  sinks 
  " 
  and 
  " 
  coves 
  " 
  

   c 
  glacial 
  erosion 
  — 
  glacial 
  erosion 
  inliers 
  

  

  