C14 Radiocarbon Dating - Sample - GU-7473

Alder from a horizontal sub-surface timber of a marine crannog found lying adjacent to a vertical pile. The horizontal timbers were felled and laid both radially and circumferentially to form a platform.

Canmore ID 43402

Map Number NS47SW

Site type Crannog (Iron Age), Worked Object(S) (19th Century), Logboat (Iron Age)

Site number 8

NGR 241596 673923

Council 160

County 11

Parish OLD KILPATRICK (DUMBARTON)

Lab Analysis ID GU-7473

Material Dated wood (alnus)

Researcher Hale 1998, 126

Sponsor Historic Scotland

Uncalibrated date bp +/- error 2060 bp +/-50

Uncalibrated date ad/bc +/- error 110 bc +/-50

Delta -27.9

Completed by Scottish Universities Environmental Research Centre

Calibration program used OxCal 3.10