C14 Radiocarbon Dating - Sample - GU-1550

Human bone from an inhumation (skeleton 1, BY 76 AN Context 13) encased by Context 12, the sand fill of a cist-grave below cairn 1.

Canmore ID 73552

Map Number HY22NW

Site type Cairn (Period Unassigned), Cist (Period Unassigned), Human Remains (Period Unassigned)

Site number 61

NGR 324670 1028060

Council 330

County 22

Parish BIRSAY AND HARRAY

Lab Analysis ID GU-1550

Material Dated bone, human (homo sapiens)

Sponsor HS

Uncalibrated date bp +/- error 1640 bp +/-70

Uncalibrated date ad/bc +/- error ad 310 +/-70

Delta -23

Calibration program used No

Calibration curve used No