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Seriation is an archaeological technique involving the description of stylistic changes in artifacts and of changes in the popularity of distinct styles in order to accurately describe the sequence of variation over time.

The seriation of stratified deposits permits archaeologists to assess the relative age of particular styles.

Este método de datación relativa sigue siendo común a pesar de la amplia disponibilidad de métodos de datación absoluta, ya que es rápido y económico en comparación con los métodos de datación científica tales como la datación por radiocarbono.

La seriación de superficie es especialmente importante para los estudios de reconocimiento regional que incluyen un gran número de sitios con poca o ninguna excavación.

Caution is urged when dating surface assemblages purely through seriation because the surface may not actually be representative of excavated assemblages.

Stratigraphic dating assumes that the lower layers in any particular profile are older than the upper layers in that profile ( "the law of superposition" ) and that an object cannot be older than the materials of which it is composed.This unique study addresses this question using data from seven sites in the Virú Valley on the north coast of Peru.Surface assemblages are compared with excavated ones using the G-test statistic.As new locations are investigated, the geologist attempts to fit the new profiles into the master sequence of geological strata for that region.The depth of the strata within the master sequence provides the investigator with the relative date of any particular profile.

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