C14 Radiocarbon Dating - Sample - SUERC-2426

A charred barley grain (Sample 33769) from a sandy deposit 3351 filling the base of a pit 3350 dug directly to the north of the primary hearth within the Structure 11 (Iron Age wheelhouse). The pit contained abundant pottery fragments, a degraded iron object with straw impressions and an amber bead, as well as many charcoal fragments (probably representing driftwood).

Canmore ID 556

Map Number HU31SE

Site type Broch (Iron Age), Settlement (Period Unassigned)

Site number 21

NGR 438980 1110650

Council 360

County 29

Parish DUNROSSNESS

Lab Analysis ID SUERC-2426

Material Dated Charred grain (hordeum spp)

Researcher Nicholson, R

Sponsor Historic Scotland

Uncalibrated date bp +/- error 1960 bp +/-35

Uncalibrated date ad/bc +/- error 10 bc +/-35

Delta -23.6

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10