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What are the 'parallel roads' of Glen Roy?
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Will the parallel roads of Glen Roy last forever?
Why are there parallel roads?
Glen Roy (Scottish Gaelic: Gleann Ruaidh, meaning "red glen") in the Lochaber area of the Highlands of Scotland is a glen noted for the geological phenomenon of three loch terraces known as the Parallel Roads of Glen Roy.
Learn how the Parallel Roads of Glen Roy, a National Nature Reserve in Scotland, were formed by an ancient glacial lake and how they reveal the history of the last ice age. Explore the geomorphology and sedimentology of this spectacular landscape and its implications for offshore and coastal geology.
Apr 11, 2024 · The parallel roads of Glen Roy will not last forever. These subtle etchings on the hillsides are being torn down by modern fluvial erosion. The tracks of gullies and debris flows now overprint the Pleistocene glacial geomorphology, and the sharp definition of the ancient lakeshores will degrade more and more through time:
These glacially-dammed lakes are responsible for the ‘Parallel Roads’ shorelines, representing successive heights of the water at 260, 325 and 350 metres above sea level. When the ice dams finally melted, about 11,500 years ago, the drainage of these lakes was catastrophically sudden.
Glen Roy is a Scottish valley with horizontal lines on the hills that were once a glacial lake. Learn how Darwin, Agassiz and others debated the origin of these features and how they relate to uniformitarianism.
Jan 29, 2019 · Learn about the origin and history of the parallel roads of Glen Roy, a glacial feature in Scotland. See photos, maps, and explanations of how Darwin, Agassiz, and others interpreted this landscape.
Feb 1, 2017 · The Parallel Roads of Glen Roy, and the neighbouring Glen Spean and Glen Gloy, together form one of the most famous geomorphological landscapes in Britain ( Fig. 1 ).
