Tag Archives: ice polygons

HiRISE: Translucent ice

Posted on July 3, 2018 by rburnham

Translucent ice. Also note the polygonal ground, another feature of expanding and contracting subsurface ice. Beautiful Mars series. [More at links]

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Enigmatic clastic polygons on Mars

Posted on February 1, 2018 by rburnham

Planetary Geomorphology Image of the Month, February 1, 2018: Laura Brooker (Open University, Milton Keynes, UK). Polygonal ground of centimetre- to decametre-scale is one of the most common features found in cold-climate regions on Earth and on Mars. Polygonal shapes … Continue reading →

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HiRISE: Hexagons in icy terrain

Posted on January 23, 2018 by rburnham

Ground cemented by ice covers the high latitudes of Mars, much as it does in Earth’s cold climates. A common landform that occurs in icy terrain are polygons. Polygonal patterns form by winter cooling and contraction cracking of the frozen … Continue reading →

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