C14 Radiocarbon Dating - Sample - GU-1805

Animal bone from the lowest Phase 4 occupation horizon, a grey-brown silty clay with peat and charcoal present, over early extensive midden.

Canmore ID 1731

Map Number HY21SE

Site type Broch (Iron Age), Chambered Cairn (Neolithic), Souterrain (Prehistoric)

Site number 41

NGR 327590 1010920

Council 330

County 22

Parish STROMNESS

Lab Analysis ID GU-1805

Material Dated bone, animal (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 2305 bp +/-60

Uncalibrated date ad/bc +/- error 355 bc +/-60

Delta -24.8

Calibration program used No

Calibration curve used No