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Generally speaking, the more complex a poem or piece of pottery is, the more advanced it is and the later it falls in the chronology.
Egyptologists, for example, created a relative chronology of pre-pharaonic Egypt based on increasing complexity in ceramics found at burial sites.
Both methods date rock instead of organic material. But unlike radiocarbon dating, the older the sample, the more accurate the dating — researchers typically use these methods on finds at least 500,000 years old.
Paleomagnetism: Earth’s magnetic polarity flip-flops about every 100,000 to 600,000 years.Methods fall into one of two categories: relative or absolute.Before more precise absolute dating tools were possible, researchers used a variety of comparative approaches called relative dating.Tephrochronology: Within hours or days of a volcanic eruption, tephra — fragments of rock and other material hurled into the atmosphere by the event — is deposited in a single layer with a unique geochemical fingerprint.
Researchers can first apply an absolute dating method to the layer.
Uranium series dating: U-series dating includes a number of methods, each based on different uranium isotopes’ decay rates.
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