I am a native in this world And think in it as a native thinks

Wednesday, July 24, 2019

Glacial green

One more view from the Rocky Mountaineer -- a preview of coming attractions glimpsed through the trees.

The beautiful emeralds and teals of mountain lakes is caused by rock flour, or glacial flour. I got to dip my finger in a sample; it's a very fine powder the consistency of baking flour or talcum and though it's a dull muddy gray in color, when the particles are suspended in water and the light reflects off them you get these amazing colors.

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