Early Miocene Subglacial Basalts, the East Antarctic Ice Sheet, and Uplift of the Transantarctic Mountains
- 15 February 1980
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 207 (4432), 757-759
- https://doi.org/10.1126/science.207.4432.757
Abstract
Subglacially erupted volcanic rocks from Mount Early and Sheridan Bluff, Antarctica, yield whole-rock potassium-argon dates and argon-40/argon-39 release spectra of Early Miocene age. Field associations suggest the existence of the East Antarctic ice sheet and significant uplift of the Transantarctic Mountains by that time.Keywords
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