﻿Quart. 
  Journ, 
  Geol. 
  Soc. 
  Vol, 
  LIIL 
  PI. 
  XVI. 
  

  

  SKETCH-MAP, 
  to 
  shew 
  

  

  THE 
  APPROXIMATE 
  POSITION 
  

  

  AND 
  CHARACTER 
  

  

  OF 
  THE 
  

  

  RAUENTHAL 
  SERPENTINE. 
  

  

  [Length 
  of 
  Serpentine 
  outcrop 
  fromN. 
  

   very 
  roughly^ 
  about 
  1/4 
  mile] 
  

  

  -.Serpentine 
  

   Serpentine-blocks 
  01- 
  fragments 
  

  

  Layer 
  of 
  Amphibolite\ 
  

   H.ornblendic 
  streak 
  or\ 
  

   Chlorite 
  [patch 
  \ 
  *"» 
  the 
  

  

  Enstatite 
  \Serpenti^ 
  e 
  

  

  Chlorite 
  and 
  Enstatite) 
  

  

  Gneiss 
  

  

  0000000 
  Gneiss 
  -fragments 
  or 
  blocks. 
  

  

  [?*w_\J 
  Granite 
  

  

  xx 
  Granite 
  -fragments 
  or 
  lloclts. 
  

  

  Probable 
  bottndary 
  of 
  Serpentine 
  

   Poundary 
  less 
  certain.. 
  

   -Road 
  

  

  -^ 
  Path 
  

  

  Stream 
  

  

  'The 
  ground 
  is 
  mostly 
  covered 
  

   Hyith 
  wood-. 
  

  

  