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“If you can use dendrochronology [tree-ring dating] directly, then you have an absolute date.” Combining the use of tree-ring dating with radiocarbon testing, creates accuracy of within a few years, he says, citing a project his lab and colleagues undertook in placing Mesopotamian Middle Bronze Age chronology.“If you only have radiocarbon but have a good set of data and a known archaeological sequence (e.g.When the flora or the fauna die, the C-14 also begins to decay.The smaller the amount of C-14, the older the sample.To be precise, the study’s findings indicate a discrepancy of only a few decades — but that is just dramatic enough to dispel much C-14-based “evidence” of a potential Davidic United Monarchy.In his recent paper in the Proceedings of the National Academy of Sciences of the United States of America (PNAS) journal, “Fluctuating radiocarbon offsets observed in the southern Levant and implications for archaeological chronology debates,” Prof.“We analyze 14C levels in known-age native Juniperus phoenicea tree rings across this period, employing a tree-ring chronology constructed from samples from historic structures at Taybet Zaman (TZM) in southern Jordan,” he writes in the article.

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According to a new Cornell University study of radiocarbon testing in the southern Levant, what little organic material researchers have unearthed that was believed by scientists to have originated at the dawn of the Israelite settlement, may not have been dated properly.

Through a faulty calibration scale, the study argues, organic carbon-14 evidence linking archaeological sites to the Israelite period may have been given false early dates.

This new proposed calculations would cause their “biblical” ties to be much less certain.

Manning, the Goldwin Smith Professor of Classical Archaeology in the Department of Classics and director of the Cornell Tree-Ring Laboratory, gives a qualified answer.

“Of course a lot of effort in archaeology has gone into developing high-precision sequences/dating,” Manning says, naming several of the methods.

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