Tag Archives: volcanics

Curiosity finds unexpected mineral on Mars

Posted on June 22, 2016 by rburnham

Scientists have discovered an unexpected mineral in a rock sample at Gale Crater on Mars, a finding that may alter our understanding of how the planet evolved. NASA’s Mars Science Laboratory rover, Curiosity, has been exploring sedimentary rocks within Gale … Continue reading →

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THEMIS: Hebrus Valles

Posted on June 13, 2016 by rburnham

THEMIS Image of the Day, June 13, 2016. This VIS image shows a portion of Hebrus Valles. This channel system is located west of the Elysium volcanic complex. The streamlined islands in the channel indicate the fluid flow was towards … Continue reading →

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Surface expression of intrusive volcanism on Mars

Posted on June 8, 2016 by rburnham

Planetary Geomorphology Image of the Month, May 30, 2016: Peter Fawdon (University of London). Volcanism is an important process that can be observed on the surface of many planetary bodies. Not all magma bodies erupt extrusively onto the planet’s surface, … Continue reading →

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THEMIS: Olympica Fossae

Posted on May 25, 2016 by rburnham

THEMIS Image of the Day, May 25, 2016. Today’s image shows part of Olympica Fossae. The large depression in the bottom half of the image is part of the fossae itself, and is probably a graben. Graben are formed when … Continue reading →

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THEMIS: Buvinda Vallis

Posted on May 18, 2016 by rburnham

THEMIS Image of the Day, May 18, 2016. This VIS image shows a portion of Buvinda Vallis. This channel is located near the northeastern flank of Hecates Tholus. More THEMIS Images of the Day by geological topic.

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Olympus Mons: slumps make terraces & scarps

Posted on May 11, 2016 by rburnham

Scientists from the Division of Planetary Sciences and Remote Sensing in the Institute of Geological Sciences at Freie Universität Berlin have succeeded in creating a model simulating the formation of mysterious structures on the surface of the Mars volcano, Olympus … Continue reading →

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Mineral clues to subglacial volcanos in Sisyphi Montes

Posted on May 3, 2016 by rburnham

Volcanoes erupted beneath an ice sheet on Mars billions of years ago, far from any ice sheet on the Red Planet today, new evidence from NASA’s Mars Reconnaissance Orbiter suggests. The research about these volcanoes helps show there was extensive … Continue reading →

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THEMIS: Peraea Cavus – false color

Posted on May 2, 2016 by rburnham

THEMIS Image of the Day, May 2, 2016. Today’s false color image shows part of Peraea Cavus, a basin located east of Hadriacus Mons. The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple … Continue reading →

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Maars on Mars: Valuable sites in the search for traces of past Martian life

Posted on April 29, 2016 by rburnham

Planetary Geomorphology Image of the Month, April 29, 2016: Sandro Rossato (University of Padova, Italy). Terrestrial maar-diatremes are small volcanoes (see this previous post for a general description) which have craters whose floor lies below the pre-eruptive surface and are … Continue reading →

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THEMIS: Lava flows

Posted on April 22, 2016 by rburnham

THEMIS Image of the Day, April 22, 2016. This VIS image shows part of the lava flows that originated from Arsia Mons. Several different surface textures are visible. More THEMIS Images of the Day by geological topic.

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