rock flour in English

noun
1
finely powdered rock formed by glacial or other erosion.
Much quick clay does not consist of true clay minerals but rather of glacial rock flour : clay-sized particles of quartz and feldspar produced by glacial abrasion of bedrock.

Use "rock flour" in a sentence

Below are sample sentences containing the word "rock flour" from the English Dictionary. We can refer to these sentence patterns for sentences in case of finding sample sentences with the word "rock flour", or refer to the context using the word "rock flour" in the English Dictionary.

1. Inorganic silts and very fine sands, rock flour, silty of Clayey fine sands or Clayey

2. It is supposed that montmorillonite was formed by early hydrothermal alteration of rock flour or fine glass particles.

3. These brilliantly blue lakes get their color from "rock flour", sediment that has been transported through the rivers to the lakes.

4. The colour is due to the refraction of light off the rock flour deposited in the lake on a continual basis.

5. These pulverized minerals become sediment at the bottom of the lake, and some of the rock flour becomes suspended in the water column.