Glacier mill
A narrow, vertical or nearly vertical, cylindrical shaft with circular cross-section. It is formed in crevasses by the meltwater from glacier’s surface (Figure 1). If it gets wider with depth, it is called AVEN. At the bottom, it is either connected to a pit or a chamber, or transforms into a system of cascades/a horizontal corridor (Fig.2.).
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- Fig. 1 Formation of pit from crevasse (Mavlyudov 2006); 1-ice, 2-crevasse, 3 – water stream, 4 – disintegrating stream
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- Fig. 2 Eimfiellaven pit, Werenksjold Glacier (Spitsbergen) (Mavlyudov 2006)
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