j^9 CONTENTS 



PAGE 



73 

 Fairhaven Diatomaceous Earth 



Plum Point Marls 



The Choptank Formation 



Areal Distribution ^^ 



Strike, Dip and Thickness ^^ 



Character of Materials ^^ 



Stratigraphic Relations ^^ 



Sub-Divisions 



The St. Mary's Formation 



Areal Distribution g^ 



Strike, Dip and Thickness ^^ 



Character of Materials ^^ 



Stratigraphic Relations ^^ 



Sub-Divisions gg 



Local Sections ^2 



Origin of Materials 



93 



The Pleistocene 



93 



The Columbia Group 



94 



The Sunderland Formation ^^ 



Areal Distribution 



95 



!S 



Character of Materials 



Structure and Thickness ^^ 



96 



Stratigraphic Relations ^^ 



Local Sections 



The Wicomico Formation 



Areal Distribution ^^^ 



Structure and Thickness ^^^ 



Character of Materials ^^^ 



Stratigraphic Relations ^^^ 



Local Sections 



101 



The Talbot Formation 



Areal Distribution • ^^2 



Structure and Thickness ^^^ 



Character of Materials ^^^ 



Stratigraphic Relations ^^^ 



Local Sections ^^^ 



Origin of Materials 



The Interpketation of the Geological Record 



Sedimentary Record of the Nanjemoy Formation IJ^ 



Sedimentary Record of the Chesapeake Group ^^_^ 



Sedimentary Record of the Columbia Group 



THE MINERAL RESOURCES OF CALVERT COUNTY. By Benjamin ^^_^ 



L. Miller 



123 



Introductory 



