C14 Radiocarbon Dating - Sample - GU-2992

Charcoal from part of the destruction deposits (DB03A/2206) of a grubenhaus. The sample is one of a number of burnt pieces of wood all in same deposit.

Canmore ID 68375

Map Number NT67NE

Site type Building(S) (Early Medieval), Courtyard (12th Century), Cross (7th Century), Promontory Fort (Iron Age), Wall(S) (Medieval), Coin(S) (Early Medieval)

Site number 141

NGR 367803 679214

Council 210

County 12

Parish DUNBAR

Lab Analysis ID GU-2992

Material Dated charcoal (Null)

Researcher Hall and Holdsworth 1989; Perry 2000

Sponsor Historic Scotland

Uncalibrated date bp +/- error 1650 bp +/-50

Uncalibrated date ad/bc +/- error ad 300 +/-50

Delta -24.9

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10