Magnetometry

Date March 2004 - October 2004

Event ID 1163886

Category Recording

Type Magnetometry

Permalink http://canmore.org.uk/event/1163886

HY 30 13 (area) A third season of geophysical survey was undertaken between March and October 2004 in and around the 'Heart of Neolithic Orkney' World Heritage Site (DES 2003, 102). Over 35ha were surveyed using magnetometry. Results have further clarified the extent of known sites and discovered many new ones.

Further survey between the Ness of Brodgar and the Ring of Brodgar (centre HY 299 131) revealed boundary features, possible unknown burnt mounds and barrows, and areas of general background increased magnetic response. This response is similar to that surrounding the Neolithic complex on the Ness of Brodgar, which test pitting has shown is the result of Neolithic midden-enhanced soils.

The area to the NW of Maes Howe (centre HY 314 129) was dominated by geological anomalies and modern disturbance. However, isolated features may represent a possible new settlement site and other archaeological features.

A variety of responses have been detected to the SW of Maes Howe (centre HY 314 126). The northern half of the area is dominated by zones of magnetic disturbance generated by igneous dikes, and throughout the area short linear ferrous-type responses have been noted which are consistent with a series of land drains. Potentially archaeologically significant anomalies have been noted in the SW, including weak suggestions of an oval enclosure and general areas of increased magnetic response. In addition, a group of well-defined anomalies suggesting possible enclosures has been located further S.

Reports lodged with Orkney SMR and the NMRS.

Sponsors: HS, Orkney Islands Council, GSB (Bradford), Orkney Archaeological Trust, Orkney College.

N Card and S Ovendon 2004