C14 Radiocarbon Dating - Sample - GU-1759

Charcoal from Phase 5 or 6 rubble within inner ditch behind collapsed revetment.

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-1759

Material Dated charcoal (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 1940 bp +/-60

Uncalibrated date ad/bc +/- error ad 10 +/-60

Delta -24.4

Calibration program used No

Calibration curve used No