Morphology and Composition of the Surface of Mars: Mars Odyssey THEMIS Results-Reference-Cited by-同舟云学术

Morphology and Composition of the Surface of Mars: Mars Odyssey THEMIS Results

Published:2003-06-27 Issue:5628 Volume:300 Page:2056-2061
ISSN:0036-8075
Container-title:Science
language:en
Short-container-title:Science

Author:

Christensen Philip R.¹²³⁴⁵,Bandfield Joshua L.¹²³⁴⁵,Bell III James F.¹²³⁴⁵,Gorelick Noel¹²³⁴⁵,Hamilton Victoria E.¹²³⁴⁵,Ivanov Anton¹²³⁴⁵,Jakosky Bruce M.¹²³⁴⁵,Kieffer Hugh H.¹²³⁴⁵,Lane Melissa D.¹²³⁴⁵,Malin Michael C.¹²³⁴⁵,McConnochie Timothy¹²³⁴⁵,McEwen Alfred S.¹²³⁴⁵,McSween Harry Y.¹²³⁴⁵,Mehall Greg L.¹²³⁴⁵,Moersch Jeffery E.¹²³⁴⁵,Nealson Kenneth H.¹²³⁴⁵,Rice James W.¹²³⁴⁵,Richardson Mark I.¹²³⁴⁵,Ruff Steven W.¹²³⁴⁵,Smith Michael D.¹²³⁴⁵,Titus Timothy N.¹²³⁴⁵,Wyatt Michael B.¹²³⁴⁵

Affiliation:

1. Department of Geological Sciences, Arizona State University, Tempe, AZ 85287–6305, USA.

2. Department of Astronomy, Cornell University, Ithaca, NY 14853–6801, USA.

3. Hawaii Institute of Geophysics and Planetology, University of Hawaii, Honolulu, HI 96822, USA.

4. Jet Propulsion Laboratory, Pasadena, CA 91109–8099, USA.

5. LASP, University of Colorado, Boulder, CO 80309, USA.

Abstract

The Thermal Emission Imaging System (THEMIS) on Mars Odyssey has produced infrared to visible wavelength images of the martian surface that show lithologically distinct layers with variable thickness, implying temporal changes in the processes or environments during or after their formation. Kilometer-scale exposures of bedrockare observed; elsewhere airfall dust completely mantles the surface over thousands of square kilometers. Mars has compositional variations at 100-meter scales, for example, an exposure of olivine-rich basalt in the walls of Ganges Chasma. Thermally distinct ejecta facies occur around some craters with variations associated with crater age. Polar observations have identified temporal patches of water frost in the north polar cap. No thermal signatures associated with endogenic heat sources have been identified.

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

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