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AR01055_EMAP_Gazetteer_of_Sites_4-2_10.pdf - The Heritage ...

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Roscommon<br />

Grid Ref: M78818268 (178810/282680)<br />

SMR No: RO021-042017<br />

This consists <strong>of</strong> the remains <strong>of</strong> a much ruined enclosure (58m north-south), within a bank<br />

which is up to 2m wide (although only survived to 0.5m in height).<br />

‘Oweynagat’ (Glenballythomas td.):<br />

Grid Ref: M79598312 (179590/283120)<br />

SMR No: RO022-057028-31<br />

This site has been largely destroyed, but it appears to have consisted <strong>of</strong> a circular enclosure<br />

(18m in diameter), with a modified cave. An ogham stone was incorporated into the<br />

souterrain as a lintel stone.<br />

‘Relignaree’ (Glenballythomas td.):<br />

Grid Ref: M79828286 (179820/282860)<br />

SMR No: RO022-057035<br />

This consists <strong>of</strong> a large univallate enclosure with an internal diameter <strong>of</strong> 100m. <strong>The</strong> bank was<br />

constructed <strong>of</strong> large stones and measured 2.6m wide and 1m high; there was little evidence<br />

<strong>of</strong> an external ditch. In the interior <strong>of</strong> the enclosure there was some trace <strong>of</strong> another smaller,<br />

concentric enclosure, with a diameter <strong>of</strong> 48m. <strong>The</strong> relationship between this and the larger<br />

enclosure have not been resolved. Other internal features include three rectangular houses<br />

(7m by 5m; 10m by 7m; 10m by 6m); and a stone-wall built souterrain.<br />

Radiocarbon Dates:<br />

(PJ Reimer, MGL Baillie, E Bard, A Bayliss, JW Beck, C Bertrand, PG Blackwell, CE Buck, G Burr, KB Cutler, PE<br />

Damon, RL Edwards, RG Fairbanks, M Friedrich, TP Guilderson, KA Hughen, B Kromer, FG McCormac, S Manning, C<br />

Bronk Ramsey, RW Reimer, S Remmele, JR Southon, M Stuiver, S Talamo, FW Taylor, J van der Plicht, and CE<br />

Weyhenmeyer (2004), Radiocarbon 46:1029-1058).<br />

Sample No.<br />

GrN-11200<br />

Context<br />

Charcoal from beneath pillar stone on<br />

Dathi’s Mound<br />

14 C Date Cal. 2 Σ<br />

2120±25 BP 337-330 B.C.;<br />

203-54 B.C.<br />

GrN-11429 Charcoal from the lower levels <strong>of</strong> bank 1940±70 BP 105 B.C. – A.D. 238.<br />

GrN-11430 Charcoal from top <strong>of</strong> bank 1825±30 BP A.D. 88–103;<br />

A.D. 122-255;<br />

A.D. 304-314.<br />

(No plans were available for this site).<br />

References:<br />

Waddell, J. 1983. A Royal Site in Connacht. Journal <strong>of</strong> Irish Archaeology, 1, 21–46.<br />

Waddell, J. & Cruickshank, M. 1987/8. Excavation at Dathi’s Mound, Rathcroaghan,<br />

Roscommon. Journal <strong>of</strong> Irish Archaeology, 4, 23–36.<br />

Waddell, J., Fenwick, J., & Barton, K. 2009. Rathcroghan: Archaeological and geophysical<br />

survey in a ritual landscape. Dublin. Wordwell.<br />

613

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