The different shades of blue in the ice crystals inside these caves is a natural phenomenon that has left scientists baffled for years. As global warming is on the rise, there is a chance that these ice caves might be affected. Geologists are doing everything possible in their capacity to save these ice caves from becoming extinct. The glacier was named Auke (Auk) Glacier by naturalist John Muir for the Tlingit Auk Kwaan band.