Geological History

Geological History

1. Bombardment

   • Layers of the Earth
     • Geological Time Scale
       • Used to find the timing and relationship of events that have happened in earth’s history
     • Stratigraphy
       • Stratigraphy is a form of geology concerned with the study of rock layers and layering.
     • The layers of the earth are the crust,upper mantle,mantle, outer core, inner core
   • Fossil Record
     • A fossil record is what that animal that died left behind
   • Relative Dating
     • Guessing the age of different fossils by the layers of rock they are in
   • Constant shower of meteors that rained down on earth for millions of years

2. Absolute Dating

   • Finding the age of a fossil by the amount of unstable atoms in it

Bilder und Dateien der Mindmap