Thread: The wonder of nature
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Old 19-02-2010, 06:13 PM
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Wallpapers The wonder of nature
Amazing striped icebergs
Icebergs in Lake Michigan sometimes have stripes, formed by
layers of snow that react to different conditions. Blue stripes are often created when a crevice in the ice sheet
fills up with melt water and freezes so quickly that no bubbles form.

When an iceberg falls into the lake , a layer of water can
freeze to the underside. If this is rich in algae, it can form a
green stripe.

Brown, black and yellow lines are caused by sediment, picked up
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