Dictionary

glacial polish en · NOUN

Meanings

1. (uncountable, usually) The appearance of rock after having been worn smooth by a passing glacier.
   • However, in Canada and Northern Europe—where they are known collectively as "shields"—the basement formations stretch out in the lowlands, smoothed by glacial polish. 1953, Hans Cloos, Conversation with the Earth:
   • Tenaya Lake was at one time under as much as 2,460 feet of glacial ice that produced a pressure of about 74 tons per square foot and extensive glacial polish (fig. 18). 2001, Bill Guyton, Glaciers of California:
   • Glacial polish on lee surfaces may reflect this sorting. 2002, John Menzies, Modern and Past Glacial Environments: Revised Student Edition:

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