Timeline: Geologic Eras

ERA PERIOD EPOCH

CENOZOIC (65.5 million years ago to present)

Neogene (23 million years ago to the present) Holocene (11,500 years ago to present)
    Pleistocene (1.8 million years ago to 11,500 years ago)
    Pliocene (5.3-1.8 million years ago)
    Miocene (23-5.3 million years ago)
  Paleogene (65.5-23 million years ago) Oligocene (33.9-23 million years ago)
    Eocene (55.8-33.9 million years ago)
    Paleocene (65.5-55.8 million years ago)
MESOZOIC (251-65.5 million years ago) Cretaceous (145.5-65.5 million years ago)  
  Jurassic (200-145.5 million years ago)  
  Triassic (251-200 million years ago)  
PALEOZOIC (542-251 million years ago) Permian (299-251 milion years ago)  
  Pennsylvanian (318-299 million years ago)  
  Mississippian (359-318 million years ago)  
  Devonian (416-359 million years ago)  
  Silurian (444-416 million years ago)  
  Ordovician (488-444 million years ago)  
  Cambrian (542-488 million years ago)  
PRECAMBRIAN (undefined to 542 million years ago) Proterozoic (2,500-542 million years ago)  
  Archean (undefined to 2,500 million years ago)  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


Source: Pamela J. W. Gore, Georgia State University Perimeter College

 
From Our Home Page
Atlanta Falcons

In 1965 the Atlanta Falcons became the first professional football team in the city of Atlanta and the fifteenth National Football Lea

Read more...
Art in Georgia from 1895 to 1960

The period from 1895 to 1960 in Georgia was characterized by a widening support for and interest in the state's art and artists.

Read more...
Moravians

The Moravians are Protestants who trace their origins to ancient Bohemia, in the present-day Czech Republic. The denomination was founded in the fifteenth century.

Read more...
State's Rights Hotel

The State's Rights Hotel served as Georgia's Whig Party headquarters from about 1839 to 1847.

Read more...
Courtesy of Hargrett Rare Book and Manuscript Library, University of Georgia Libraries