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Stories about: morains

What's a Mountain Glacier? We consider ice just a solid, brittle, crystalline material because we use to see it in small amounts. But when ice forms a ticker layer, of 60-100 m (200-330 ft), the under part behaves like a plastic material, engaged in a slow flow so that the whole ice mass spreads over an extended area or displace on slope. This... 28 March 2007 11:30 GMT