C14 Radiocarbon Dating - Sample - AA-51551

A piece of hazel charcoal (KAM AMS 11) from a layer 508 below paving slabs contained within round house 4.

Canmore ID 50329

Map Number NT16NW

Site type Fort (Prehistoric)

Site number 2

NGR 313150 666550

Council 230

County 19

Parish RATHO

Lab Analysis ID AA-51551

Material Dated Charcoal (Corylus avellana)

Researcher Gregory, R

Sponsor Historic Scotland

Uncalibrated date bp +/- error 2180 bp +/-40

Uncalibrated date ad/bc +/- error 230 bc +/-40

Delta -25.5

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

Calibration program used OxCal 3.10