EARTH SCIENCE

Platte Canyon High School
Bailey, Colorado

Time Scale

GEOLOGIC TIME SCALE

Triassic

after Harland et al., 1982

  =========================================================
Period Epoch Age Ma age Comments
      213  
Triassic Tr3 Rhaetian 219  
Norian 225  
Carnian 231  
Tr2 Ladinian 238  
Ansian 243  
Scythian
Tr1
Spathian    
Smithian    
Dienerian    
Griesbachian 248