Abstract
ON December 30, 1914, when a heavy rainfall had been followed by a night frost, a layer of prismatic ice was seen immediately below the surface of the heaps of loose clay, in shallow workings in clay-with-flints at the south-west end of Walton Heath, Surrey. The workings are near the crest of the North Downs, at an elevation of about 600 ft. The ice varied from ½ to 1¼ in. in thickness, and resembled the form of calcite known as “beef,” but even in the most compact portions the prisms were not in close contact with one another. When observed, about midday, the ice was melting, and the sides of some of the heaps were strewn with isolated prismatic and acicular crystals of ice.
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DAVIES, G. Curious Forms of Ice. Nature 94, 563 (1915). https://doi.org/10.1038/094563a0
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DOI: https://doi.org/10.1038/094563a0
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