C14 Radiocarbon Dating - Sample - GU-2224

WITHDRAWN Charcoal CL 86 S18 from a floor deposit of a post-Broch structure, near a hearth, in an area rich in carboniferous shale. 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-2224

Material Dated withdrawn (withdrawn)

Sponsor HS

Uncalibrated date bp +/- error 2350 bp +/-50

Uncalibrated date ad/bc +/- error 400 bc +/-50

Delta -24.6

Calibration program used No

Calibration curve used No