Tag Archives: ice-rich mantling

THEMIS: The bumpy hills of Arcadia Planitia

Posted on June 21, 2018 by rburnham

THEMIS Image of the Day, June 21, 2018. The hills in this VIS image are part of mound located in Arcadia Plantia. Just west of these hills is a long region of grouped hills called Phlegra Montes. The soft contours, … Continue reading →

Posted in Reports | Tagged Arcadia Planitia, Arizona State University, ASU, ground ice, ice-rich mantling, Mars Odyssey, NASA, Phlegra Montes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Mantling on Terra Sabaea channel

Posted on May 4, 2018 by rburnham

THEMIS Image of the Day, May 4, 2018. This VIS image shows one of the numerous unnamed channels in northern Terra Sabaea. The softened features in the image suggest that some kind of mantling material lies over much of the … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, channels, ice-rich mantling, Mars Odyssey, NASA, Terra Sabaea, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Softly rounded hills in Phlegra Montes

Posted on April 25, 2018 by rburnham

THEMIS Image of the Day, April 25, 2018. The rounded hills in this VIS image are located in Arcadia Planitia. Broad linear ridges and groups of hills in this region are part of Phlegra Dorsa (ridges) and Phlegra Montes (hills). … Continue reading →

Posted in Reports | Tagged Arizona State University, ASU, hills, ice-rich mantling, Mars Odyssey, NASA, periglacial processes, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System | Comments Off

THEMIS: Dunes and creeping ground in Lyot Crater

Posted on April 11, 2018 by rburnham

THEMIS Image of the Day, April 11, 2018. Lyot Crater is a large, complex crater in the northern lowlands of Vastitas Borealis. This image is located along the southern rim of the crater and shows part of the dune fields … Continue reading →

Posted in Reports | Tagged active dunes, Arizona State University, ASU, dunes, ice-rich mantling, Lyot Crater, Mars Odyssey, NASA, periglacial processes, sand dunes, solifluction, THEMIS, THEMIS Image of the Day, Thermal Emission Imaging System, Vastitas Borealis | Comments Off

HiRISE: Layered mantling deposits in the northern mid-latitudes

Posted on February 22, 2017 by rburnham

Ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity (axial tilt), as recently as several million years ago. These deposits accumulate over cycles in layers, and here in the southern mid-latitudes, … Continue reading →

Posted in Reports | Tagged High Resolution Imaging Science Experiment, HiRISE, ice-rich mantling, Mars Reconnaissance Orbiter, MRO, NASA, University of Arizona | Comments Off

HiRISE: Old features and new

Posted on February 14, 2017 by rburnham

This image covers a portion of a typical impact crater in Terra Sirenum at about 40 degrees south latitude on Mars. At the top of the image, outside the crater rim, there is a mid-latitude mantle, rough in places where … Continue reading →