Radiometric
krypton dating via Atom Trap Trace Analysis was used to date ice samples from
the Taylor Glacier of Antarctica at 120,000 years old and will extend the
ability for dating ice up to 1.5 million years old.
by John
Tyburski
Copyright © Science
Recorder, KPR Media, LLC. All rights reserved.
A research
team headed by scientists at Oregon State University, along with colleagues
from several other institutions, used a new radiometric dating method based on
krypton to accurately determine the age of large ice samples taken from the
Taylor Glacier in Antarctica. The new method, called Atom Trap Trace Analysis
(ATTA), allows researchers to measure the extremely low-abundance noble gas
krypton in air bubbles trapped within the ice… [Pending]
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