C14 Radiocarbon Dating - Sample - AA-24959
AA-24959
A single piece of birch charcoal from an early cultivation soil beneath the two main upper OGS. The sample came from an area of charcoal concentration which gave the impression that a fire had been lit on a cultivation surface then dug over once.
Canmore ID 4156
Map Number NB23SW
Site type Avenue (Neolithic), Chambered Cairn (Neolithic), Stone Circle (Neolithic) - (Bronze Age), Stone Row(S) (Neolithic) - (Bronze Age)
Site number 1
NGR 121300 933017
Council 410
County 26
Parish UIG
Lab Analysis ID AA-24959
Material Dated charcoal (betula)
Researcher Ashmore 1997
Sponsor Historic Scotland
Uncalibrated date bp +/- error 4140 bp +/-45
Uncalibrated date ad/bc +/- error 2190 bc +/-45
Delta -26.3
Completed by National Science Foundation Radiocarbon Facility University of Arizona, USA
Calibration program used OxCal 3.10
From information compiled by Patrick Ashmore