Unverified50% confidenceFactExact time
Glacial erratics are massive stones transported by ancient glaciers from rock formations hundreds of kilometers away and left beneath the plains after the ice age ended.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
O'Hare Airport Unearths a 50-Ton Boulder, Igniting a Wave of Creative Naming Ideas Online
hackernewshackernews10/19/2026
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