C14 Radiocarbon Dating - Sample - AA-24965

A single piece of hazel charcoal related to a seeming activity layer and precedes the soils of F615 F622 and F643 which may be late in development.

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-24965

Material Dated charcoal (Corylus avellana)

Researcher Ashmore 1997

Sponsor Historic Scotland

Uncalibrated date bp +/- error 4385 bp +/-50

Uncalibrated date ad/bc +/- error 2435 bc +/-50

Delta -27.2

Completed by National Science Foundation Radiocarbon Facility University of Arizona, USA

Calibration program used OxCal 3.10