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Altered basaltic glass - A terrestrial analog to the soil of MarsIn order to understand the nature of weathering processes and the formation of clay-like substances on Mars, analogous terrestrial processes and materials have been examined including sideromelane and palagonite. It is shown that palagonite is a good analog to the soil of Mars to the level of precision available from Viking and ground-based telescopic spectral measurements. Points of resemblance between the two materials include bulk chemical composition, particle size, reflectance spectra, and magnetic properties. A mechanism for the formation of Martian soil, based on a palagonite model, is proposed.
Document ID
19810053547
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Allen, C. C.
(New Mexico Univ. Albuquerque, NM, United States)
Jercinovic, M.
(New Mexico Univ. Albuquerque, NM, United States)
Keil, K.
(New Mexico, University Albuquerque, NM, United States)
Gooding, J. L.
(California Institute of Technology, Jet Propulsion Laboratory, Planetology Section, Pasadena CA, United States)
Date Acquired
August 11, 2013
Publication Date
February 1, 1981
Publication Information
Publication: Icarus
Volume: 45
Subject Category
Lunar And Planetary Exploration
Accession Number
81A37951
Funding Number(s)
CONTRACT_GRANT: NAS7-100
CONTRACT_GRANT: NSG-7579
Distribution Limits
Public
Copyright
Other

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