Glaciation in Taylor Valley, Antarctica, Older Than 2.7 Million Years

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Science  12 Jan 1968:
Vol. 159, Issue 3811, pp. 187-189
DOI: 10.1126/science.159.3811.187


Potassium-argon dates for three samples of basaltic scoria from Taylor Valley, on the west side of McMurdo Sound, indicate that the basalt, which antedates and postdates major glaciations, is at least 2.7 million years old.