New terrestrial analog for martian megaripple dunes

Wau-an-NamusA new paper [published in Icarus] by M. Foroutan (U. Waterloo, Canada) and co-authors describes the first terrestrial dark sand dunes similar to a type of mysterious dune found on Mars.  These megaripples, found surrounding the remote volcanic caldera Wau-an-Namus, Libya, are similar in scale and morphology to Transverse Aeolian Ridges (TARs) observed on Mars.  Further study of these features at Wau-an-Namus may help scientists understand the formation and evolution of TARs on Mars. [More at links]

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