Some of the ideas discussed in this blog are published in my new book called "The Stonehenge Bluestones" -- due for publication on June 1st 2018. After that, it will be available by post and through good bookshops everywhere. Bad bookshops might not have it....
To order, click

Wednesday, 29 April 2015

De Geer Moraines

This is a wonderful LIDAR image of De Geer moraines in SW Finland.  These stringy little moraines are generally assumed to form parallel to the retreating ice front  -- but some way up-glacier from the ice edge -- in conditions where the bed material is saturated and where the ice is almost being lifted off the bed in a lake or marine environment. 

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