14 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



TABLE OF GEOLOGIC TIME 



, DESCRIPTION OF CENTRAL CONNECTICUT. 



A Part of the Appalachian Province. The geologic province 

 of the Appalachian mountain system stretches from Newfound- 

 land to Georgia and in width it reaches from the Atlantic coastal 

 plains to the plains of the Central States. It is divided into many 

 belts, which form sub-provinces, each with its own geologic 

 record, each telling better than another some particular geologic 

 story. The history of each region is in part local, in part general. 

 A description, therefore, of the geologic past of central Connecti- 

 cut since the Paleozoic gives a general view of events similar to 

 those which have passed over all that belt of the Appalachian 



1 The Archeozoic and lower Proterozoic make up together the complex of basal rocks 

 often called the Archean. 



