CONTEXTS 



PAGE 



Granite Gneiss 84 



Gabbro 85 



The Lower Cretaceous Fokmatioxs 85 



The Potomac Group 85 



The Patuxent Formation 85 



Areal Distribution 86 



Character of Materials 86 



Paleontologic Character 86 



Strike, Dip, and Thickness 87 



Stratigraphic Relations 87 



The Arundel Formation 87 



Areal Distribution 87 



Character of Materials 88 



Paleontologic Character 89 



Strike, Dip, and Thickness 89 



Stratigraphic Relations 89 



The Patapsco Format ion 90 



Areal Distribution 90 



Character of Materials 90 



Paleontologic Character 90 



Strike, Dip, and Thickness 91 



Stratigraphic Relations 91 



The Upper Cretaceous Formations 91 



The Raritan Formation 91 



Areal Distribution 91 



Character of Materials 92 



Paleontologic Character 92 



Strike, Dip, and Thickness 93 



Stratigraphic Relations 93 



The Magothy Formation 93 



Areal Distribution 94 



Character of Materials 94 



Paleontologic Character 95 



Strike, Dip, and Thickness 96 



Stratigraphic Relations 96 



The Matawan Formation 97 



Areal Distribution 97 



Character of Materials 97 



Paleontologic Character 98 



Strike, Dip, and Thickness 98 



Stratigraphic Relations 98 



The Monmouth Formation 99 



Areal Distribution 99 



Character of Materials 99 



Paleontologic Character 100 



