Tag Archives: valleys

HiRISE: Crater tadpoles

Posted on February 9, 2018 by rburnham

This impact crater looks amusingly like a tadpole because of the valley that was carved by water that used to fill it. When the water level inside the crater increased, it breached the crater wall, flowed outward and formed a … Continue reading →

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HiRISE: Fresh shallow valleys

Posted on October 19, 2017 by rburnham

Fresh shallow valleys. Beautiful Mars series.

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HiRISE: Branching valley in Syrtis Major region

Posted on April 12, 2017 by rburnham

A branching valley in Syrtis Major region. Beautiful Mars series.

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HiRISE: A small valley within a larger valley

Posted on February 23, 2017 by rburnham

A small valley within a larger valley in Terra Sirenum. Beautiful Mars series.

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HiRISE: Smooth and fractured deposits in Eridania valleys

Posted on January 13, 2017 by rburnham

The ancient highland channels in this image empty into the Eridania Basin (not visible), a large topographically low enclosure with smooth-appearing terrains that may have once contained a large paleolake or ancient sea. Water in these channels flowed to the … Continue reading →

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HiRISE: Channeled valley east of Protonilus Mensae

Posted on June 29, 2016 by rburnham

Channelized valley east of Protonilus Mensae. Beautiful Mars series.

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HiRISE: Valley cross-cutting a circular landform

Posted on November 24, 2015 by rburnham

Valley cross-cutting a circular landform — These dune ridges are only tens of meters or less apart. Beautiful Mars series.

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HiRISE: Fresh shallow valley in north Arabia Terra

Posted on November 5, 2015 by rburnham

A fresh shallow valley in north Arabia Terra. Beautiful Mars series.

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HiRISE: Fresh valley in northern Arabia Terra

Posted on February 20, 2015 by rburnham

This relatively fresh, shallowly incised valley was once filled with water and/or ice and flowed to the west toward a large, local depression in northern Arabia Terra (36.5 degrees north, 0.3 degrees east). This type of valley is younger and … Continue reading →

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