Prehistoric date for Newgrange Cursus!

News just in! Stephen Hoper of the C14 lab in Belfast has just sent us the incredible news that a charcoal sample from the base of the outermost ditch of the ‘cursus’ dates to the Neolithic, most likely between 2632BC and 2472BC. The detailed report can be found at the end of this post.

Sample no.: UBA-38707

Radiocarbon Age BP 4034 +/- 33

% area enclosed cal AD age ranges relative area under probability distribution

68.3 (1 sigma) cal BC       2581- 2546 0.370

                                             2541- 2488 0.630

95.4 (2 sigma) cal BC        2832- 2820 0.018

                                              2657- 2655 0.002

                                              2632- 2472 0.980

UBA38707

CalibrationCurve

GroganDates
Based on Eoin Grogan, ‘Radiocarbon dates from Brugh na Bóinne’ in George Eogan, ‘Prehistoric and early historic culture change at Brugh na Bóinne, Proceedings of the Royal Irish Academy, 91C (1991), pp 105–32, pp 126–32.

 

Author: Matthew Stout

Lecturer, School of History and Geography, St Patrick's Campus, DCU

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