Ancient Antarctic Mountains Discovered Through South Australia's Pink Sands
Researchers trace 590-million-year-old garnet grains to a previously unknown mountain belt beneath Antarctic ice.
- Garnet grains in South Australia's pink sands date back 590 million years, predating local geological formations.
- University of Adelaide team used a new laser-based dating method to trace the garnet's origins.
- The garnet likely traveled from Antarctica during the Late Palaeozoic Ice Age when the continents were connected.
- Findings suggest a significant mountain-building event under East Antarctica's ice sheet.
- This discovery redefines the timeline of tectonic activity in the Pacific region.
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