Science
NASA Finds Billion-Year-Old Sand Dunes Preserved on Mars, And They Look Familiar – ScienceAlert
Tucked away in a canyon on Mars, scientists have discovered a windswept field of solid sand, which turned to rock roughly a billion years ago.
Tucked away in a canyon on Mars, scientists have discovered a windswept field of solid sand, which turned to rock roughly a billion years ago.
Despite being heavily eroded, this frozen plain of palaeo-dunes has withstood time remarkably well, much more so than fossilised waves of sand on Earth, which are subject to the whims of wind, water, and the shifting landscapes of deep time.
Understanding how these duneforms stood the test of time could give us insight into the sedimentary processes on …
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