C14 Radiocarbon Dating - Sample - GU-1229
GU-1229
Charcoal from a brown greasy earth organic refuse layer (BB 74 QO Layer 40) used as a levelling in Phase 2b, below the flagged floor surface of Phase 3a room 5 of the eastern cliff settlement.
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-1229
Material Dated charcoal (n.i.)
Sponsor HS
Uncalibrated date bp +/- error 1305 bp +/-55
Uncalibrated date ad/bc +/- error ad 645 +/-55
Delta -25
Calibration program used No
Calibration curve used No
From information compiled by Patrick Ashmore