Glacial erratics The size of some of the erratics that litter the island is quite awesome! Gwion is a useful scale marker in this image of a cluster of rather angular granite erratics which are up to 5m maximum dimension. In this location it is difficult to imagine any agent apart from a glacier that could move rocks this size. A rough calculation suggests that the larger of these is around twice the payload of a Chinook helicopter!

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Topics:
   + Black-and-white dogs
   + Dog (incidental)
   + Dogs of Ireland
   + Glacial erratics in Ireland
   + Gorumna Island
   + July 2009 in Ireland
   + Mammals of County Galway

Download:

• Source: commons.wikimedia.org # 14200251
• Filename: Glacial erratics - geograph.org.uk - 1453615.jpg
• Thumbnail: 130x98 pixels - image/jpeg
• Preview: 640x480 pixels - image/jpeg
• Full size: 640x480 pixels - image/jpeg - 83,042 bytes

Licensing:

• Artist: Jonathan Wilkins
• License: CC BY-SA 2.0, Creative Commons Attribution-Share Alike 2.0
• Attribution Required

Media information:

• Original datetime: 2009-07-22
• Upload datetime: 2011-03-02T05:21:03Z
• Uploader: User:GeographBot
• SHA1: 0ed08aceab79f3faa8e5ae228b63cf7f995ec627
• Refreshed: 2018-07-29 20:32:39 UTC

Technical Topics:
   + CC-BY-SA-2.0
   + Images by Jonathan Wilkins
   + Images from Geograph Britain and Ireland