Science

Seafloor sediments reveal how East Antarctic ice temporarily halted its retreat and advanced 40 miles

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 07/10/2026, 17:40:23 UTC.

Briefings

Researchers from Kiel University and the Alfred Wegener Institute discovered a massive 580-cubic-kilometer sedimentary wedge in Vincennes Bay, East Antarctica. This grounding-zone wedge, 260 meters high and 65 kilometers long, represents the largest known isolated wedge on a glaciated continental shelf and serves as a critical archive of the region's glacial history.

Key points

• Researchers led by Kiel University and the Alfred Wegener Institute identified a 580-cubic-kilometer sedimentary wedge in Vincennes Bay, East Antarctica.
• The wedge is 260 meters high and 65 kilometers long, making it the largest known isolated grounding-zone wedge on a glaciated continental shelf.

Context and limitations

This snapshot captures the discovery of a specific sedimentary body; it does not cover the full timeline of East Antarctic ice retreat or the complete geological history of the region.

Generated by Bittrees-hosted qwen35-2b sha256:aaf42c8b7c3c on 08/10/2026, 01:22:59 UTC. Based on publisher-provided feed evidence; may not cover the full original article. Check the source for details.

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