125 



EXCURSION B3. 



THE PALAEOZOIC SECTION AT 

 HAMILTON, ONTARIO. 



BY 



William A. Parks. 



CONTENTS. 



Page 



Introduction 126 



Table of formations 127 



General description of formations 128 



Detailed description of sections 130 



Section at Grimsby 130 



Lockport dolomite 130 



Rochester shale : 131 



Clinton formation 134 



Medina formation 134 



Cataract formation 134 



Section at Hamilton 136 



Lockport dolomite and chert 137 



Other formations 139 



Bibliography 139 



