The last occurrence of the Monongahela Lake outburst was an outwash gravel dam backed up slackwater at Allegheny-Monongahela confluence during an Illinoian ponding event during the last glacial retreat.
2.
The "'Pakhuis Formation "'tillite ( a lithified glacial outwash gravel ) occurs on the highest point of Table Mountain, at Maclear's Beacon and on parts of the Hottentots-Holland range.
3.
The site is listed in the Geological Conservation Review because it consists of a complex sequence of Pleistocene sediments, including coarse glacial outwash gravels at the base overlain by a complex sequence of interglacial freshwater, estuarine and marine sands.
4.
Nearby is the Kenn Church, Kenn Pier & Yew Tree Farm SSSI, a geological Site of Special Scientific Interest which is listed in the Geological Conservation Review because it consists of a complex sequence of Pleistocene sediments, including coarse glacial outwash gravels at the base overlain by a complex sequence of interglacial freshwater, estuarine and marine sands.
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