Tag Archives: terrace craters

Terraced craters reveal buried ice sheet on Mars

Posted on June 30, 2017 by rburnham

Planetary Geomorphology Image of the Month, June 30, 2017: A.M. Branson (University of Arizona). When an object impacts into layered material, it can form a crater with terraces in the crater’s walls at the layer boundaries, rather than the simple bowl-shape … Continue reading →

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Terraced craters point to subsurface ice sheets

Posted on August 27, 2015 by rburnham

Just beneath the planet’s dirt surface, University of Arizona researchers found an enormous slab of water ice, measuring 130 feet thick and covering an area equivalent to that of California and Texas combined. It was a “crazy-looking crater” on the … Continue reading →

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