Earth's History 1

Earth's History 1

1. Stratigraphy

   • A branch of geology concerned with the order and relative position of strata and their relationship to the geological time scale.

2. Bombardment

   • A countiusois attack of bombs and missles and in this case the attack was a meteor shower for billions of years

3. Geological Time Scale

   • Is a system of chronological dating that relates geological strata to time

4. Layers of the Earth

   • an outer silicate solid, crust, a liquid outer core, a solid inner core.

5. Absolute Dating

   • Same thing as Relative dating just more accurate

6. Relative Dating

   • Relative dating is used to arrange geological events, and the rocks they leave behind, in a sequence.

7. Fossil Record

   • The fossil record refers to the placement of fossils throughout the surface layers of the Earth. Older fossils are buried more deeply than younger ones.