Seriation dating

In stratigraphic relative dating, the succession of layers can be seen as the timeline of its formation or deposition.However, this is mainly applicable to an undisturbed arrangement of rocks.Animals evolve rapidly, and these evolution's are reflected by the variations in their bones or teeth.When they die, their remains get fossilized and are used by scientists to determine the era in which they lived.

Grand Canyon is a gorge located in Northern Arizona, USA. While some of the layers are uplifted, most of the landform is left undisturbed by nature.

If two fossils belong to the same strata, then they are assumed to have the same amount of nitrogen and fluorine.

In case of a difference in the fluorine content, they are considered to be from different eras. It is an in-depth analysis in all the possible ways, taking into account all the related complexities.

In anthropology, the study of humans living in the prehistoric era is done by collecting the data of human fossils found during excavations or research.

Most of the soft tissues of the human body get decomposed with only the hard tissues left for research.

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