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

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.

Bibliographic Details
Published in:Science
Main Authors: Armstrong, Richard Lee, Hamilton, Warren, Denton, George H.
Format: Article in Journal/Newspaper
Language:English
Published: American Association for the Advancement of Science (AAAS) 1968
Subjects:
Online Access:http://dx.doi.org/10.1126/science.159.3811.187
https://www.science.org/doi/pdf/10.1126/science.159.3811.187
Description
Summary: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.