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A volcano or a meteorite? New evidence sheds light on puzzling discovery in Greenland's ice sheet

Buried deep in Greenland's ice sheet lies a puzzling chemical signature that has sparked intense scientific debate. A sharp spike in platinum concentrations, discovered in an ice core (a cylinder of ...

A volcano or a meteorite? New evidence sheds light on puzzling discovery in Greenland’s ice sheet

New research suggests that a mystery platinum signature found in Greenland’s ice may have come from a volcanic eruption in ...