THE BOOK
Some of the ideas discussed in this blog are published in my book called "The Bluestone Enigma" -- available by post and through good bookshops everywhere. Bad bookshops might not have it....
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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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