C14 Radiocarbon Dating - Sample - AA-51377

Humic acid from peat plant macrofossils (S. 95-96 cm) at the base of Stonehall Peat Core 1 immediately adjacent to the site of Stonehall. The pollen record shows a significant representation of grass and ribwort plantain pollen at this depth.

Canmore ID 91745

Map Number HY31SE

Site type Settlement (Period Unassigned), Unidentified Pottery (Neolithic)

Site number 38

NGR 336600 1012600

Council 330

County 22

Parish FIRTH

Lab Analysis ID AA-51377

Material Dated Peat (n.i.)

Sponsor HS

Uncalibrated date bp +/- error 3475 bp +/-40

Uncalibrated date ad/bc +/- error 1525 bc +/-40

Delta -29.8

Calibration program used No

Calibration curve used No