C14 Radiocarbon Dating - Sample - Birm-348C

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Scottish Radiocarbon Database

Birm-348C

Shell from lower shell midden. 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

Canmore ID 37804

Map Number NR38NE

Site type Shell Midden (Mesolithic)

Site number 15

NGR 135860 688010

Council 130

County 03

Parish COLONSAY AND ORONSAY

Lab Analysis ID Birm-348C

Material Dated shell (n.i.)

Uncalibrated date bp +/- error 5570 bp +/-140

Uncalibrated date ad/bc +/- error 3620 bc +/-140

Calibration program used No

Calibration curve used No

From information compiled by Patrick Ashmore