﻿GNE.SS 
  CRYSTALL.NE 
  ANORTHOSITE 
  " 
  GABBRO 
  CAMBBIAN 
  LWMM^ 
  <^± 
  

  

  LIMESTONE 
  

   GNEISSOID 
  AND 
  BLACK 
  SCHISTS 
  

  

  ANORTHOSITE 
  OR 
  GABBRO 
  

  

  POTSDAM 
  SAND 
  

   SCALE 
  Of 
  MILES 
  

  

  5EOLOGIC 
  MAP 
  OF 
  MINERVA 
  TOWNSHIP. 
  

  

  u^cT"* 
  GRAVELS 
  ETC. 
  

  

  PREXAMB. 
  QUARTZITE 
  

  

  