C14 Radiocarbon Dating - Sample - GU-1354

Oak charcoal from the primary packing of a massive post pit of a henge.

Canmore ID 26006

Map Number NN91NW

Site type Henge (Neolithic) - (Bronze Age), Timber Circle(S) (Neolithic)

Site number 18

NGR 292850 716250

Council 340

County 24

Parish BLACKFORD

Lab Analysis ID GU-1354

Material Dated charcoal (quercus spp)

Researcher Barclay 1983, 259

Sponsor Historic Scotland

Uncalibrated date bp +/- error 4040 bp +/-70

Uncalibrated date ad/bc +/- error 2090 bc +/-70

Delta -25.2

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10