an event thought to have occurred approximately 4.1 to 3.8 billion years ago
Geological Time Scale
a system of chronological dating that relates geological strata to time
Layers of the Earth
Earth is divided into layers. These layers are all different physically and temperature wise.
Stratigraphy
the branch of geology concerned with the order and relative location of stratum and their relationship to the
geological time scale.
Fossil Record
A fossil record is a group of fossils which has been examined and arranged chronologically and in taxonomic
order.
Relative Dating
Relative dating is the scientific way of determining the relative order of past events like the age of an object
compared to another but its not the exact age just a relative age.
Absolute Dating
Relative dating is the scientific way of determining the relative order of past events like the age of an object
compared to another but its not the exact age just a relative age.