All sites last accessed: 9 September 2009.
erratic (geology) -- Britannica Online Encyclopedia
West, Ian. 2009 Sarsen Stones and Erratics of the Wessex Coast. http://www.soton.ac.uk/~imw/erratic.htm. Accessed 12th July 2009.
Fremington Clay, North Devon erratics
Boulder Clay and Erratics of Holderness
Glacial erratics mainly from Holderness, East Yorkshire, UK
Erratic boulder display on a protected site in the NetherlandsThe Moine Thrust: Images: Glaciated pavement with erratics
Baltic Flint from Saxony (Germany) on Flintsource.Net
Nephrite, Jadeite, and Other Green Gems
© Internet Archaeology/Author(s)
URL: http://intarch.ac.uk/journal/issue26/34/websites.html
Last updated: Wed Jul 29 2009