Radioactive decay age dating dating in the dark website uk
When an organism dies it ceases to replenish carbon in its tissues and the decay of carbon 14 to nitrogen 14 changes the ratio of carbon 12 to carbon 14.
One TU (Tritium Unit) means a tritium to hydrogen ratio of 10.
Whereas the addition of bomb tritium to the environment practically eliminated the use of natural tritium as a tracer, it offered a new tool, i.e., the use of the bomb tritium peak (Fig.
1) as a ‘dye’ that is delivered to natural water systems from the atmosphere on local to global scales.
If the tritium delivery as a function of time can be reconstructed, this penetration process can be used for quantitative studies of water movement through identification of the bomb peak in certain ground water bodies.
So, the fossil is 8,680 years old, meaning the living organism died 8,680 years ago.