Map showing the geographical locations of the contributions to the Atlas of Submarine Glacial Landforms (yellow dots). Map showing the geographical locations of the contributions to the Atlas of Submarine Glacial Landforms (yellow dots). GEBCO World Map: Gall projection. Note that the distribution includes Late Ordovician glacial landforms from Northern Africa. J. A. Dowdeswell et al. Geological Society, London, Memoirs 2016;46:3-14 © 2016 The Author(s). Published by The Geological Society of London