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At the beginning of the process, it is important to remember that only certain materials can be tested using carbon dating, i.e. Sites like Stonehenge, Chichén Itzá, and Rapa Nui, where the focus is on large stone monuments, cannot be dated unless corroborating evidence can be found to assign a possible date.
Such was the case at these three sites, where wooden and pollen elements could be dated, providing a speculative chronology for the sites as a whole, but even these are subject to error and constant scrutiny by the academic community.
The date assigned to a sample will initially be given as a raw b.p. Often this margin of error is negligible in establishing a general chronology. Archaeology: Theories, Methods, and Practices (3rd edition). Help Cy Ark preserve more sites by making a small donation.
or “before present.” This dates the sample to ‘X’ amount of years before present; the ‘present’ being set at the year 1950 on the Gregorian calendar. But when a very precise timeline is needed, it can be very frustrating to have a margin of thirty years thwarting your efforts. Radio Carbon: An International Journal of Cosmogenic Isotope Research Radio Carbon Web Info Renfrew, C.
Chances are, right now, you have a Gregorian calendar stuck to your wall.