C14 Radiocarbon Dating - Sample - AA-37259

A grain of hulled barley from sample 11910 Context 1818 a fill, overlying floor surface 1897, 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-37259

Material Dated charred grain (hordeum spp)

Researcher Dockrill S and Bond J

Sponsor Various

Uncalibrated date bp +/- error 2095 bp +/-40

Uncalibrated date ad/bc +/- error 145 bc +/-40

Delta -23.2

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

Calibration program used OxCal 3.10