Alternate Definitions for Glacier flour

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Term: Glacier flour
Definition: A fine powder of silt- and clay-sized particles that a glacier creates as its rock-laden ice scrapes over bedrock; usually flushed out in meltwater streams and causes water to look powdery gray; lakes and oceans that fill with glacier flour may develop a banded appearance; also called rock flour.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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