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C14 Radiocarbon Dating - Sample - SUERC-2433

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Scottish Radiocarbon Database

SUERC-2433

A whole peat sample (Sample 33818) from the middle of a deposit of peat 5205, filling a man-made cut at the base (west) of the broch. Assessment of the seeds and insect remains from within the peat indicate that the deposit was formed in-situ, possibly around a spring flush, in what was then a grazed meadow, prior to the broch construction.

Canmore ID 556

Map Number HU31SE

Site type Broch (Iron Age), Settlement (Period Unassigned)

Site number 21

NGR 438980 1110650

Council 360

County 29

Parish DUNROSSNESS

Lab Analysis ID SUERC-2433

Material Dated Peat (Null)

Researcher Nicholson, R

Sponsor Historic Scotland

Uncalibrated date bp +/- error 2700 bp +/-40

Uncalibrated date ad/bc +/- error 750 bc +/-40

Delta -28.2

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10

From information compiled by Patrick Ashmore