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glacial polish

noun

Definitions

  1. The appearance of rock after having been worn smooth by a passing glacier.

    • 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).
    • Glacial polish on lee surfaces may reflect this sorting.
    • 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.

The neighborhood

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sense glosses and etymology drawn from English Wiktionary · source · CC-BY-SA