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EARTH SCIENCE

Platte Canyon High School
Bailey, Colorado

Time Scale

GEOLOGIC TIME SCALE

Permian

after Harland et al., 1982

  =========================================================
Period Epoch Age Ma age Comments
      248  
Permian P2 Tatarian 253  
Kazanian    
Ufimian 258  
P1 Kungurian 263  
Artinskian 268  
Sakmarian    
Asselian 286