Methods of dating trees

Posted by / 03-Aug-2020 23:28

Methods of dating trees

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.

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.

The deposit thus occurring forms layers depending on the nature of the material brought in by the people inhabiting the area.

According to this method, the upper deposits are younger and the lower deposits are older.

But, even when the scientific methods of absolute dating are available, this method of dating has not lost its importance, as many a time we have to depend solely on relative dating.Clay tablets found in West Asia contain inscriptional evidence with regard to the occurrence of a solar eclipse.Specialists in the field of astronomical research placed this solar eclipse as on 15 June 763 B. The Almanac belonging to Maya culture of Central America helped in dating several important sites accurately on the basis of astronomy.Once a type has been classified by the aid of its context further specimen of the same type, even when found in isolation, can be assigned their place in terms of dates.Association in simplicity can be illustrated by an example, at the port of Arikamedu near Pondicherry.

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Charred bones are better preserved and are therefore relatively more reliable.

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