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It is likely that, by the pyramid age, the Egyptians had been intensively exploiting wood for fuel for a long time.
Interest in Egyptian chronology is widespread in both popular and scholarly circles.
In spite of this discrepancy, the radiocarbon dates confirmed that the Great Pyramid belonged to the historical era studied by Egyptologists. Koch Foundation supported us for another round of radiocarbon dating.
We broadened our sampling to include material from: We also took samples from our Giza Plateau Mapping Project Lost City excavations (4th Dynasty), where we discovered two largely intact bakeries in 1991.
For Khufu’s Great Pyramid, they scatter over a range of about 400 years.
We have fair agreement for the 1st Dynasty tombs at North Saqqara between our historical dates, previous radiocarbon dates, and our radiocarbon dates on reed material.
By measuring how much C14 remains in a sample of organic material, we can estimate its age within a range of dates.
Samples older than 50,000 to 60,000 years are not useful for radiocarbon testing because by then, the amount of C14 remaining is too small to be dated.The radioactive carbon isotope is no longer replenished; it only decays.Scientists have calculated the rate at which C14 decays.Test results from Middle Kingdom pyramid (Senwosret II).Ancient Egypt’s population was restricted to the narrow confines of the Nile Valley with, we assume, a sparse cover of trees.Some of this recycled wood was burned, for example, in mortar preparation.