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C14 Radiocarbon Dating - Sample - GU-2659
GU-2659
L. littorea; inner shell. PROBLEM: As of 2009, the calibration is uncertain because the marine effect varies (Ascough PhD) and it is not safe simply to correct the age by 405 C14 years. CHECK NEEDED to see if d13C value really positive or '-' simply not entered by me.
Canmore ID 39032
Map Number NR77NW
Site type Cave (Period Unassigned), Midden (Medieval), Occupation Site (Iron Age), Microlith(S)
Site number 12
NGR 173920 676490
Council 130
County 03
Parish SOUTH KNAPDALE
Lab Analysis ID GU-2659
Material Dated shell (Littorina littorea)
Uncalibrated date bp +/- error 1150 bp +/-50
Uncalibrated date ad/bc +/- error ad 800 +/-50
Delta 2.2
Calibration program used No
Calibration curve used No
From information compiled by Patrick Ashmore
