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A drumlin, from the Irish word droimnín ("little ridge"), first recorded in 1833, in the classical sense is an elongated hill in the shape of an inverted spoon or half-buried egg[1][2] formed by glacial ice acting on underlying unconsolidated till or ground moraine. Assemblages of drumlins are referred to as fields or swarms;[3][4] they can create a landscape which is often described as having a 'basket of eggs topography'.[5]
- ^ Menzies(1979) quoted in Benn, D.I. & Evans, D.J.A. 2003 Glaciers & Glaciation, Arnold, London (p431) ISBN 0-340-58431-9
- ^ Bryce, James (1838). "On the evidences of diluvial action in the north of Ireland". Journal of the Geological Society of Dublin. 1: 34–44. hdl:2027/mdp.39015035541435. Originally presented in 1833 by Irish geologist James Bryce (1806–1877). From p. 37: "This peculiar form is so striking that the peasantry have appropriated an expressive name to such ridges; while Knock, Sleive, Ben, have each their peculiar significations, the names Drum and Drumlin (Dorsum) have been applied to such hills as we have been describing."
- ^ Benn, Douglas I.; Evans, David J.A. (2003). Glaciers and Glaciation (First ed.). London: Arnold. p. 434. ISBN 0340584319.
- ^ "Glacial Landforms". Bitesize. BBC. Archived from the original on 21 June 2020. Retrieved 28 March 2021.
- ^ "Cavan" (PDF). Geoschol – Geology for schools in Ireland. Archived (PDF) from the original on 2021-11-22.