C14 Radiocarbon Dating - Sample - GU-1154

Animal bone from a deposit (Bu 78.267) on the floor of a massive roundhouse, below 1.5 m of rubble. L51/ phase IIa. See also GU-1152 (2440+/-65) and GU-1228 (2470+/-95) from a similar context and GU-1153 (2545+/-65) from a later context; they are not significantly different from each other once their errors have been adjusted to a minimum of +/- 110 C14 years.

Canmore ID 1483

Map Number HY20NE

Site type Broch (Iron Age), Souterrain (Prehistoric)

Site number 11

NGR 326967 1009348

Council 330

County 22

Parish STROMNESS

Lab Analysis ID GU-1154

Material Dated bone, animal (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 2460 bp +/-80

Uncalibrated date ad/bc +/- error 510 bc +/-80

Delta -21.5

Calibration program used No

Calibration curve used No