C14 Radiocarbon Dating - Sample - AA-24969

A single piece of willow charcoal from the fill of an early pit H775. Undoubtedly residual, but provides a TPQ for Stone 42 of the Stone Ring.

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-24969

Material Dated charcoal

Researcher Ashmore 1997

Sponsor Historic Scotland

Uncalibrated date bp +/- error 4095 bp +/-45

Uncalibrated date ad/bc +/- error 2145 bc +/-45

Delta -25.4

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

Calibration program used OxCal 3.10