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Book Chapter

Evolution of periglacial landforms in the ancient mountain range of the Thaumasia Highlands, Mars

By
Angelo Pio Rossi
Angelo Pio Rossi
International Space Science Institute (ISSI), Hallerstrasse 6, CH-3012 Bern, SwitzerlandPresent address: Jacobs University Bremen, Campus Ring 1, D-28759 Bremen, Germany
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Stephan Van Gasselt
Stephan Van Gasselt
Institut für Geologische Wissenschaften, Freie Universität Berlin, Germany
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Monica Pondrelli
Monica Pondrelli
IRSPS, Università d'Annunzio, Pescara, Italy
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James Dohm
James Dohm
Department of Hydrology and Water Resources, University of Arizona, Tucson, AZ 85721, USAThe Museum, University of Tokyo, Tokyo 113-0033, Japan
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Ernst Hauber
Ernst Hauber
DLR Institute for Planetary Research, Berlin, Germany
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Alexander Dumke
Alexander Dumke
Institut für Geologische Wissenschaften, Freie Universität Berlin, Germany
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Tanja Zegers
Tanja Zegers
Faculty of Geosciences, Utrecht University, Utrecht, The Netherlands
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Gerhard Neukum
Gerhard Neukum
Institut für Geologische Wissenschaften, Freie Universität Berlin, Germany
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Published:
January 01, 2011

Abstract

Possible periglacial and relict glacial landforms in the ancient mountain range of the Thaumasia Highlands, Mars, are described. The landforms include large-scale mantling, lineated crater and valley-fill materials, debris aprons, protalus lobes and ramparts. The most pristine ice-related landforms appear to be small-scale protalus lobes and ramparts with no visible distinct impact craters at both medium (High Resolution Stereo Camera (HRSC)) and high (Mars Orbiter Camera (MOC) narrow angle (NA), Context Camera (CTX)) spatial resolution. These small landforms are possibly active at present and post-date more extensive features such as crater fills, possibly formed during high obliquity climatic periods.

In contrast to the rock glacier-like landforms with distribution preferentially occurring on south-facing slopes, possibly controlled by enhanced exposure to the Sun, older, less pristine lineated fill materials show a less systematic distribution of flow directions, suggesting a more generalized periglacial and possibly glacial environment in the Thaumasia Highlands.

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Contents

Geological Society, London, Special Publications

Martian Geomorphology

M. R. Balme
M. R. Balme
Open University, UK
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A. S. Bargery
A. S. Bargery
Lancaster University, UK
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C. J. Gallagher
C. J. Gallagher
University College Dublin, Ireland
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S. Gupta
S. Gupta
Imperial College London, UK
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Geological Society of London
Volume
356
ISBN electronic:
9781862396043
Publication date:
January 01, 2011

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