NALT

Preferred term

rock flour

Topic

Fine-grained, silt-size sediment formed by the mechanical erosion of bedrock at the base and sides of a glacier by moving ice. When it enters a stream, it turns the stream's color brown, gray, iridescent blue-green, or milky white. Also called glacier flour or glacier milk.

sediments

glacial flour
glacier flour
glacier milk

Field 001 in MARC Authority Format

72643

Spanish

harina de roca

URI

https://lod.nal.usda.gov/nalt/233436

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Created 10/28/14, last modified 11/20/14