C14 Radiocarbon Dating - Sample - GU-1142

Human bone from an inhumation in a long shallow grave (BH78JY/FSL NAA5) in the interior of the hillfort, cut through natural gravel overlying a palisade trench. PROBLEM: As of 2009, the calibration is uncertain because the marine effect varies (Ascough PhD)

Canmore ID 58800

Map Number NT77NW

Site type Burial(S) (Iron Age), Cist(S) (Iron Age), Fort (Early Iron Age), Settlement (Early Iron Age)

Site number 16

NGR 370111 677388

Council 210

County 12

Parish DUNBAR

Lab Analysis ID GU-1142

Material Dated bone, human (homo sapiens)

Researcher Ashmore and Hill 1984

Sponsor Historic Scotland

Uncalibrated date bp +/- error 1670 bp +/-60

Uncalibrated date ad/bc +/- error ad 280 +/-60

Delta -18.6

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10