Researchers here have discovered that a reddish deposit seeping out from the face of a glacier in Antarcticas remote Taylor Valley is probably the last remnant of an ancient salt-water lake. The lake probably formed as much as 5 million years ago when the sea levels were higher and the ocean reached far inland.
A view up one of the gulleys where water runs downslope from the margin of the Taylor Glacier. Iron salt deposits which give blood Falls its name are clearly visible.
Ohio State University scientists reported their conclusions today at the annual meeting of the Geological Society of America in Seattle.
Berry Lyons, a professor of geological sciences and director of OSUs Byrd Polar Research Center, offered the best explanation to date for a strange, nearly-century-old discoloration halfway up the face of the Taylor Glacier in Antarcticas Dry Valleys. The Dry Valleys are well known to polar scientists who have studied these remarkably snow-free troughs leading from the Ross Sea onto the East Antarctic Ice Sheet.
Berry Lyons | Ohio State University
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