Tag Archives: volcanos

THEMIS: Collapsed lava channel on Ascraeus Mons

THEMIS Image of the Day, September 1, 2017. This image shows part of the southern flank of Ascraeus Mons. The feature at the bottom of the image is a collapse feature. These features can be caused by several processes. The … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , | Comments Off

THEMIS: Lava levees on Ascraeus Mons’ upper slopes

THEMIS Image of the Day, August 31, 2017. This image of the flank of Ascraeus Mons shows several individual flows where the sides are higher than the center. These are called leveed flows, as the outer margin acts as a … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , , | Comments Off

THEMIS: Into the caldera atop Ascraeus Mons

THEMIS Image of the Day, August 30, 2017. This image shows part of the complex caldera at the summit of the volcano. Calderas are found at the tops of volcanoes and are the source region for magma that rises from … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

THEMIS: Flows and faults on Ascraeus Mons

THEMIS Image of the Day, August 29, 2017. Looking again at the southeastern flank of the volcano the narrow nature of the flows are visible. Given the steep sides of the volcano, flows from the summit run as narrow “rivers” … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , , , | Comments Off

THEMIS: Lava levees on Ascraeus Mons

THEMIS Image of the Day, August 28, 2017. This image shows part of the southeastern flank of Ascraeus Mons. The narrow flows of the volcano dominate the top of the image — note the raised levees flanking the channels — … Continue reading

Posted in Reports | Tagged , , , , , , , , , , , , , , | Comments Off

Olympus Mons: slumps make terraces & scarps

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

Posted in Reports | Tagged , , , , , , , , , , , , | Comments Off

Mineral clues to subglacial volcanos in Sisyphi Montes

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

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS: Ceraunius Tholus

THEMIS Image of the Day, March 6, 2014. Multiple channels dissect the northern flank of Ceraunius Tholus in this VIS image. More THEMIS Images of the Day by geological topic.

Posted in Reports | Tagged , , , , , , , , , , , | Comments Off

HiRISE: Small volcano

Beautiful Mars series: Small volcano to the southwest of Tombaugh Crater. More Beautiful Mars images.

Posted in Reports | Tagged , , , , , , , , , , | Comments Off

THEMIS image: Olympus Mons summit caldera

THEMIS Image of the Day, February 19, 2014. This VIS image shows the central portion of the complex caldera at the summit of Olympus Mons. More THEMIS Images of the Day by geological topic.

Posted in Reports | Tagged , , , , , , , , , | Comments Off