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 Perimeter College

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

From Our Home Page
Archaeology in Historic Preservation

Humans have lived in the area now known as Georgia for more than 12,000 years, and archaeology is the only means by which we are a

Read more...
Judaism and Jews

Historian Ralph Melnick has written that "nearly everything one concludes from a study of Southern Jewry has its opposite that is

Read more...
Vidalia Onions

The Vidalia sweet onion is perhaps the greatest agricultural success story in Georgia's history.

Read more...
Grand Bay Wetland Education Center

The Robert Patten Grand Bay Wetland Education Center, located ten miles north of

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