A 200-300 year gap between radiocarbon dating and historical records has been documented in studies of Old Kingdom monuments, including the Great Pyramid. However, BBC reporting on a 2010 study noted that 'radiocarbon dating was used to show that the chronology of Egypt's Old, Middle and New Kingdoms is indeed accurate.' The gap appears to be an earlier finding that subsequent research has addressed through improved calibration methods, not evidence that archaeological dating is fundamentally non-scientific.
Archaeology as pseudoscience and carbon dating methodology critique

Key facts
- Archaeology uses scientific methods but draws non-scientific conclusions
- Carbon dating on the Great Pyramid shows a 200-300 year gap with written records
- Bayesian modeling was used to push dates to most recent period to eliminate gap
- The Edgar Casey Foundation and David Koonce funded the carbon dating to prove written records wrong
- When assumptions go in, conclusions come out matching those assumptions
- Daren Cuyu (Derinkuyu Underground City) underground city in Turkey has reversed stratigraphy - top layers dug first
- Byzantine Christian artifacts found there do not prove when initial tunnels were dug
Site mentioned
Sources
Radiocarbon Dates of Old and Middle Kingdom Monuments in Egyptresearchgate.net
This was also shown by a large study conducted between 1984 and 1995 on monuments of the Old Kingdom and the Middle Kingdom, with a gap of 200-300 years for the ...
The Curious Conflict Between Radiocarbon Dating and Early Egyptianarmstronginstitute.org
Libby, founder of radiocarbon dating, after considerable examination of the available evidence in 1963, decided that Egyptian historical events ...
Carbon-14 dating, explained - UChicago Newsnews.uchicago.edu
First developed in the late 1940s at UChicago, carbon dating can determine the age of organic materials as old as 60000 years.
An absolute chronology for early Egypt using radiocarbon dating ...pmc.ncbi.nlm.nih.gov
Here, we produce an absolute chronology for Early Egypt by combining radiocarbon and archaeological evidence within a Bayesian paradigm.
Dating the Pyramids - Archaeology Magazine Archivearchive.archaeology.org
The calibrated dates from the 1995 Old Kingdom pyramid samples tended to be 100 to 200 years older than the historical dates for the respective kings and about ...
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