Geophysical Survey at Rathcroghan 2010-2012
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Date
2016Author
Schot, Roseanne
Waddell, John
Fenwick, Joseph P.
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Schot, R., Waddell, J. & Fenwick, J. (2016) 'Geophysical Survey at Rathcroghan 2010-2012'. Emania, (23):51-59.
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Abstract
Following an extensive programme of geophysical survey at Rathcroghan published in 2009, five hitherto
unexplored areas were surveyed using magnetic gradiometry in 2010–12. In an area south of Oweynagat a
faint circular anomaly 20m in diameter and an equally faint arc some 8m across are of possible archaeological
significance. Survey between the linear earthworks known as the Mucklaghs did not reveal any definite
archaeological features but examination of Cashelmanannan demonstrates this is a complex multiperiod site.
East of Rathcroghan Mound and its surrounding 360m enclosure, the geophysical evidence suggests that the
avenue approaching the great mound does not extend beyond the enclosure limits. An area on the northwest
was also investigated but apart from a semi-circular anomaly proved to be featureless. The latter, a possible
ring-ditch, does indicate the possibility of significant features adjacent to and outside the enclosure.