1. Earth History Vocabulary
  2. Unconformity   Radioactive decay  uplift  


Earth History Vocabulary
 
Relative time      Index / guide fossils    Eurypterid        
 
Absolute time      Key bed      Ammonite
 
Law of superposition    Correlation      orogeny
 

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Unconformity      Radioactive decay    uplift    
 
Eon        Carbon 14      extinction
       
Era        Half-life      extensive
 
Period        Stromatolite      abundant
 
Epoch        Trilobites      diverse
 
Evolution      Brachipod
 
 
** Be able to identify the oldest and youngest events in a rock sequence (order of deposition, folding,
faulting, igneous intrusions, occurrence of fossils)
** Be able to list the periods, epochs in order using the ESRT.
** Be able to find specific organisms on the ESRT and identify the time period in which they existed,
Earth history page
** Be able to calculate radioactive decay in a half-life problem.
**Be able to identify numerical dates for specific time periods.
**Be able to identify what geologic events happened during a certain time period.
 
 
 

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