Example of chronometric dating
This means that the oldest are the strata that are lying at the bottom.
However, age of deposition does not mean the age of artifacts found in that layer.
One half-life is the amount of time required for of the original atoms in a sample to decay.
Though using similar methods, these two techniques differ in certain ways that will be discussed in this article.
In other words, the change in numbers of atoms follows a geometric scale as illustrated by the graph below.other carbon isotopes in the same ratio as exists in the atmosphere.