C14 Radiocarbon Dating - Sample - AA-44620

A grain of hulled barley from sample 17721 Context 2631 a spread of ash in hearth, Structure 8.

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 AA-44620

Material Dated charred grain (hordeum spp)

Researcher Dockrill S and Bond J

Sponsor Various

Uncalibrated date bp +/- error 1990 bp +/-45

Uncalibrated date ad/bc +/- error 40 bc +/-45

Delta -22.9

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

Calibration program used OxCal 3.10