Se 
AZ. 
os 
we < Trunk 
“WActonVale 
2 
StHilaire }4 
: Belosil. @: \ Roxton Falls 
% runt 3 Mont St Hilaire 
GC 
West Sheffora 
AY 
Canadian 
Geological Survey, Canada 
Monteregian Hills 
Miles 
10 
Kilometres 
Oo 20 
Legend 
Laurentian 
Pre-Cambrian 
Palzozojc 
Diorites, serpentines, etc, 
(Eastern intrusive series o/der 
than the Monteregian Hills 
Monteregian Hills 
(Nepheline syenite, Essexite, eéc.) 
Consanguineous dyke rocks 
of the Monteregian Hills 
Consanguineous dyke rocks 
of the Monteregian Hills, holding 
many inclusions (Breccias) 
