Sand Origin

Riverbank of Kofarnikhon River (Daryoi Kofarnokhon) and the Lojwarddarа deposit

Random Sand Fact

Did you know that sand ripples can spill ancient secrets? In Tajikistan, scientists have uncovered rare giant sand ripples, hinting at ancient megaflood events.

If you’ve walked on sand you’ve likely noticed sand ripples and dunes formed from wind or water flowing over loose sand.

The direction and speed of the water or wind determine whether there’ll be asymmetrical ripples from single-direction flows as rivers or symmetrical ones from waves washing back and forth.

Preserved ripples and dunes can indicate ancient weather and the environmental conditions in which they were formed. The giant ripples discovered in Tajikistan hold clues still to be examined…

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