Zusammenfassung der Ressource
Geologic History
- Bombardment
- when astroids
were hitting the
earth from 4.1 to
3.8 billion years
- Geological time scale
- A system of dating that
relates geological strata
to time
- Layers Of The Earth
- there are 4 main layers of
earth crust mantle outer
core and inner core
- Stratigraphy
- the branch of geology with
order and relitive position of
strata and there relationship
to the geological time scale
- Fossil records
- a group of fossils that
have been studied and
arranged bassed on how
old or young they are
- absolute dating
- is the procces of determining based on calender dating
- Reletive dating
- is the science of determing the order of past events