Tag Archives: transverse eolian ridges

HiRISE: Bizarre TARs

These strange features in Syria Planum are still being widely debated. They have the same general form as transverse aeolian ridges (TARs) elsewhere on Mars; windblown deposits that are common in the Martian tropics. Their height and spacing are similar … Continue reading

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HiRISE: Crisscrossing sand ridges

Fine sub-parallel ridge sets crossing nearly perpendicular to the other. Beautiful Mars series.

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HiRISE: Braided TARs in Syrtis Major

Transverse aeolian ridges (TARs) are commonly found throughout the Martian tropics, including rocky regions such as Syrtis Major that are largely devoid of dust. These bright wind-blown ripples most often occur in simple sets of ridges with regular size and … Continue reading

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HiRISE: Banded TARs in Iapygia

The tropics of Mars are commonly littered with small bright ripples that were somehow shaped by the wind. Called “transverse aeolian ridges”, or TARs, the features stand up to 6 meters tall and are spaced a few tens of meters … Continue reading

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HiRISE: Dust ridges in Tharsis

Dust ridges in Tharsis; the length of the top ridge in the full-resolution closeup is about 293 meters (961 feet). Beautiful Mars series.

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HiRISE: Feathery ridges

This HiRISE image shows a valley filled with an assortment of linear ridges. These ridges are often referred to as transverse aeolian ridges, or TAR, and they take a variety of forms. Here they sit at right angles to the … Continue reading

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