ice-stream
131Cosmogony — • By this term is understood an account of how the universe (cosmos) came into being (gonia • gegona = I have become). It differs from cosmology, or the science of the universe, in this: that the latter aims at understanding the actual… …
132Dirt cone — Dirt cones near Gorsajökull, Sweden A dirt cone is a feature of a glacier or snow patch, in which dirt or debris has fallen onto ice, firn or snow. This debris forms a coating which, when thick enough, insulates the underlying ice or snow.… …