rock flour in a sentence

Example sentences for rock flour

The glaciers in the background grind the rocks underneath as they melt in the summer and produce rock flour.
We also learned the secret of the mountain lakes' brilliant turquoise color: a substance called rock flour.
It is found beneath old swamps, as mud on the bottom of the sea, and as the ground-up rock flour left by melting glaciers.
Rock debris is crushed and ground into fine grains, called rock flour.
The glacial materials near the dam range in size from rock flour to boulders.
Remove dust and rock flour residue from concrete slab with compressed air.
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