Glacial cycles

Ancient Antarctic Ice Core: A 1.2-Million-Year-Old Discovery

A 1.7-mile-long ice core, the oldest ever discovered at 1.2 million years old, has been extracted from Antarctica’s Little Dome C. Recovered by an international team, the core contains a high-resolution climate record spanning 1.2 million years, detailing atmospheric temperatures and greenhouse gas concentrations. Analysis of this core may resolve climate mysteries surrounding glacial cycle disruptions between 900,000 and 1.2 million years ago. The ice core will be transported to Europe for further analysis, potentially revealing even older climate records and insights into East Antarctica’s glacial history.

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