Till or Boulder clay, Aber Ogwen, Ogwen Valley, Gywnedd, North Wales, UK.

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Deposits left by two glaciers; the lower grey moraine is that from glaciers which flowed across North Wales, and the upper brown layer is that from glaciers which flowed through the Irish Sea (the stones in this layer can be traced to Scotland Cumbria and Northern Ireland).

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Size: 3610px × 4835px
Location: Aber Ogwen, Ogwen Valley, Gywnedd, North Wales, UK.
Photo credit: © Jim Clark / LGPL / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: age, deposits, erosion, geography, glacial, gywnedd, ice, lgpl, moraine, uk, welsh