Wow....these are so beautiful....
When an iceberg falls into the sea, a layer of salty seawater 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
when the ice sheet grinds downhill towards the sea.
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[img id=BLOGGER_PHOTO_ID_5200835940504046738 style="DISPLAY: block; MARGIN: 0px auto 10px; CURSOR: hand; TEXT-ALIGN: center" alt="" src="vny!://3.bp.blogspot.com/_9VHn8inWFcA/SC0Uu5DUDJI/AAAAAAAAAhw/tbux0JkB3-Y/s400/iceberg+2.bmp" border=0]