General : Blue glacial ice.

Glacial ice often appears blue as in this picture of the Alaskan Mendenhall glacier from May 2011. The reason is that

Glacier Power - Why is Glacier Ice Blue?

Blue Glaciers, Blue Icebergs and the Antarctic Museum of Modern

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Scientists take a peek below Antarctica's 'doomsday glacier

Why is glacier ice blue? - Woods Hole Oceanographic Institution

Why is the Ice Blue? In Glacier Bay (U.S. National Park Service)

Antarctic Peninsula, In general, a glacier is formed and ma…

Basic Information - Glacier Bay National Park & Preserve (U.S. National Park Service)

Glacier, Definition, Formation, Types, Examples, & Facts

Doomsday Glacier melting in Antarctica is bad for sea level rise

Perito Moreno Glacier in South America - Tours and Activities

UN secretary general warns of catastrophic consequences due to ice

First ever images of Antarctica's 'Doomsday glacier' show melting from below - ABC News