C14 Radiocarbon Dating - Sample - GU-2540

ANOMALOUS Charcoal from the broch. PROBLEM: Anomalous date probably from an admixture of a small amount of shale.

Canmore ID 6546

Map Number NC80SE

Site type Broch (Iron Age)

Site number 4

NGR 287040 901370

Council 270

County 31

Parish GOLSPIE

Lab Analysis ID GU-2540

Material Dated charcoal

Sponsor HS

Uncalibrated date bp +/- error 4290 bp +/-90

Uncalibrated date ad/bc +/- error 2340 bc +/-90

Delta -27.7

Calibration program used No

Calibration curve used No