﻿PHYSICAL 
  GEOLOGY 
  OP 
  THE 
  TTPPEK 
  PUNJAB. 
  

  

  71 
  

  

  or 
  Nahun) 
  has 
  never 
  been 
  detected 
  ; 
  and 
  the 
  features 
  which 
  expose 
  

   Jurassic 
  or 
  other 
  rocks 
  beneath 
  the 
  Eocene 
  limestones 
  and 
  shales 
  of 
  

   the 
  hills 
  at 
  the 
  line 
  of 
  contact, 
  are 
  those 
  produced 
  by 
  the 
  same 
  action 
  

   of 
  denudation 
  which 
  has 
  affected 
  the 
  Murree 
  beds 
  themselves. 
  Nor 
  

   is 
  the 
  line 
  of 
  contact 
  in 
  the 
  Upper 
  Punjab 
  strictly 
  a 
  limit 
  of 
  deposi- 
  

   tion 
  confining 
  the 
  appearance 
  of 
  either 
  the 
  hill-rocks 
  on 
  one 
  side 
  or 
  

  

  

  

  

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  Mr~ 
  

  

  to 
  

  

  

  

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  O 
  

  

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  <^_, 
  ^j 
  

  

  

  

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  — 
  

  

  

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  o 
  

  

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  rS 
  

  

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  .2*8 
  

   1-1 
  

  

  s 
  

  

  the 
  Murree 
  beds 
  on 
  the 
  other. 
  For 
  instance, 
  a 
  mass 
  of 
  grey 
  slaty 
  

   shales 
  with 
  associated 
  red 
  rocks, 
  both 
  containing 
  Nummulites 
  arid 
  

   possessing 
  the 
  aspect 
  of 
  the 
  Subathu 
  portion 
  of 
  the 
  Murree 
  group, 
  

   occurs 
  in 
  the 
  hills 
  crossed 
  from 
  the 
  Peshawur 
  valley 
  southwards 
  by 
  

   the 
  Meer-Kulan 
  Pass, 
  and 
  lying 
  far 
  to 
  the 
  north 
  of 
  the 
  abnormal 
  

   contact-line 
  situated 
  under 
  the 
  southern 
  foot 
  of 
  Nilab 
  Gash 
  moun- 
  

  

  