CONTENTS 



PAGE 



Introduction : 11 



Topography 11 



Geology 13 



Calcareous conglomerates 18 



Trap rocks 22 



The Palisades 22 



Ladentown trap 39 



Union hill trap 42 



Dikes 42 



Structure 43 



Dip and strike 43 



Faults 44 



Northwest border 46 



Eastern border 48 



Conditions of formation 49 



