lO 
BULLETIN OF THE LABORATORIES 
to the conclusion that garnets are of probable contact origin ; then 
the peculiarity of the formation and occurence of calcite in connection 
with magnetite which we have never noticed before in any rock we 
have studied ;* the association of augite and orthoclase in granite — 
a very rare occurence; and finally the gradual alteration of the schists 
to steatite or soapstone. 
■'=-See Rosenbusch, Micro-Physiographie. Vol. II, p. 247. 
i 
