TABLE OF GEOLOGICAL PERIODS 

 AND FORMATIONS 



TERTIARY OR CAINOZOIC PERIOD. 



Pleistocene 



Pliocene . . 



Miocene . . 



Oligocene . . 



Eocene 



Recent Deposits. 

 1 Valley and Cave Deposits 

 I Glacial Deposits. 



r Cromer Beds. 

 j Norwich Crag. 

 -[ Red Crag. 

 I Coralline Crag. 

 I In India, the Siwalik Formation. 



Not known in Britain but wide-spread on the Continent 

 of Europe. 



It Loup Fork. 

 Lacustrine deposits of North America] Deep River. 

 I John Day. 

 The Santa Cruz Beds of Patagonia are referred to the 

 Miocene. 



I Hamstead and' Bembridge Beds. 

 -J Headon and Osborne Beds. 



I In N. America the freshwater White River Beds belong 

 ^ to the Oligocene. 



Upper : Barton Beds ; In N. America, Uinta Group. 

 Middle: Bracklesham Beds. InN. America, BridgerGroup. 

 Lower : Bagshot Sands, London Clay, Woolwich and 

 Reading Beds. 



('1. Wind River Group. 

 2. Wasatch Group. 

 a "j 3. Torrejon Group. 

 [4. Puerco Group. 



xiv 



