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Stratigraphy is the oldest of the relative dating methods that archaeologists use to date things.Stratigraphy is based on the law of superposition--like a layer cake, the lowest layers must have been formed first.This term means that older artefacts are usually found below younger items.For those researchers working in the field of human history, the chronology of events remains a major element of reflection.Relative techniques can determine the sequence of events but not the precise date of an event, making these methods unreliable.b) Absolute These methods are based on calculating the date of artefacts in a more precise way using different attributes of materials.

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Today, many different radioactive elements have been used, but the most famous absolute dating method is radiocarbon dating, which uses the isotope C.

The scholar most associated with the rules of stratigraphy (or law of superposition) is probably the geologist Charles Lyell.

The basis for stratigraphy seems quite intuitive today, but its applications were no less than earth-shattering to archaeological theory.

Limits to relative dating are that it cannot provide an accurate year or a specific date of use.

The style of the artefact and its archaeology location stratigraphically are required to arrive at a relative date.

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