SH2928 : Area of glacial deposition in the middle Soch basin

taken 10 years ago, near to Llangian, Gwynedd, Great Britain

Area of glacial deposition in the middle Soch basin
Area of glacial deposition in the middle Soch basin
During the retreat of the Irish Sea Ice Sheet in the latter stages of the Devensian Glaciation (some 80-85,000 years ago) a large sandur system developed over Western Llyn - i.e. the formation of an outwash plain of sandy deposits with characteristic features such as kettles, deltas and braided streams. Added to these meltwater deposits were morainic ridges, the formation of which reflected the periodic oscillations of the glacial snouts. Combined, these deposits disrupted the pre-glacial drainage pattern. This can be seen in the diversion of Afon Soch eastwards to Tremadog Bay, considerably increasing its length. No large stream now drains into Hell's Mouth Bay.
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SH2928, 75 images   (more nearby )
Photographer
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Date Taken
Friday, 21 December, 2007   (more nearby)
Submitted
Tuesday, 1 January, 2008
Category
Glacial feature   (more nearby)
Subject Location
OSGB36: geotagged! SH 291 284 [100m precision]
WGS84: 52:49.5585N 4:32.2239W
Camera Location
OSGB36: geotagged! SH 298 283
View Direction
WEST (about 270 degrees)
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Image classification(about): Geograph
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