C14 Radiocarbon Dating - Sample - GU-1254

Charcoal from a burnt clay patch (BB 77 LL Layer 116) within an extensive burned area (115). Below a clay layer and overlying natural clay to the east of the large drain and annexe to building E.

Canmore ID 1796

Map Number HY22NW

Site type Chapel (12th Century), Settlement (12th Century)

Site number 1

NGR 323977 1028513

Council 330

County 22

Parish BIRSAY AND HARRAY

Lab Analysis ID GU-1254

Material Dated charcoal (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 1275 bp +/-50

Uncalibrated date ad/bc +/- error ad 675 +/-50

Delta -25

Calibration program used No

Calibration curve used No