Dating methods used in anthropology bipolar disorder dating man
At that time the radioactive disintegration takes over in an uncompensated manner. only half the C-14 will remain after the half-life period.In the disintegration process the Carbon-14 returns to nitrogen emitting a beta particle in the process.In such cases subjective element cannot be ruled out.But, for a single culture site the method is quite reliable.Charred bones are better preserved and are therefore relatively more reliable.Charcoal is best material specially if derived from short live plants.
Association in simplicity can be illustrated by an example, at the port of Arikamedu near Pondicherry.
Whenever and where ever such antiquities are found, associated finds are automatically dated.
For example Mauryan terracottas, Roman amphorae, Harappan pottery, NBP , PGW,etc.
Specimens of organic material which can yield good amount of carbon can be collected for C-14 dating.
For example charcoal, wood, shell, paper, leaves, cloth, animal hair, bone, pollen, tooth, iron, prehistoric soot from the ceiling of the caves practically any material containing some carbon can be subjected Bones are generally affected by ground water carbonates and are therefore least reliable for dating.