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A 7104 Year Annual Tree Ring Chronology for Bristlecone Pine, Pinus Aristata, from the White Mountains, California – C. Ferguson – Tree-Ring Bulletin, Volume 29 (1969) https://arizona.openrepository.com/arizona/bitstream/10150/259957/1/trb-29-03-04-003-029The discussions between the two disciplines must have had a few interesting moments because Radiocarbon Dating [much to their surprise] conceded that “there is significant evidence of systematic differences between the laboratories”. – Radiocarbon, 24, 1982 https://arizona.edu/index.php/radiocarbon/article/download/748/753? origin=publication_detail The composite “workshop data set” is plotted against the 6th order polynominal regressed on the logarithmically scaled data.
Much to our surprise and despite previous findings to the contrary (Damon, Lerman, and Long, 1978; Clark, 1975; Damon, 1970), there is significant evidence of systematic differences between the laboratories represented. Calendric age minus conventional radiocarbon age is the ordinate; the calendric age is the abscissa. – Radiocarbon, 24, 1982 https://arizona.edu/index.php/radiocarbon/article/download/748/753? origin=publication_detail However, an analysis of the “workshop data set” reveals that Radiocarbon Dating of the Bristlecone Pine chronology is far from a perfect fit and that the rounded consensus calibration curve is derived from a very jagged, saw tooth dataset.
Historic houses may be dated through dendrochronology of wooden beams.
Positive values represent radiocarbon ages that are too young (too recent) and, consequently, atmospheric concentrations were greater than that of the standard atmosphere of 1890… Furthermore, the beginning of the chronology [in modern times] represents a major theoretical problem for Radiocarbon Dating because the living outer layers of the Bristlecone Pines appear to be hugely deficient in Carbon-14 [i.e.