where snow builds up year on year,
compacts and then 'flows' wherever gravity takes it, but salt glaciers are a new one to me, in Iran there are in fact glaciers made of salt,
the colour is given to the salt by various impurities, above photographs from PGNews,
above is a Landsat image of two salt glaciers that formed when
salt domes erupted from the flanks of mountains in the Zagros fold belt of
Iran. The salt glacier on the left is flowing south. The one on the right is
flowing north. Each glacier is about four miles long from head to toe. To
examine them in more detail (getting close enough to see the crevasses and
ridge surfaces), zoom all the way in on this Bing satellite view, salt glaciers, Amazing.
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