NDLI: Nanophase carbonates on mars: formation, detection, and implications

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Nanophase carbonates on mars: formation, detection, and implications

Content Provider	NASA Technical Reports Server (NTRS)
Author	Niles, P. B. Archer, P. D. Lauer, H. V. Morris, R. V. Rampe, E. B. Sutter, B. Ming, D. W.
Copyright Year	2014
Description	Despite having an atmosphere composed primarily of CO2 and evidence for abundant water in the past, carbonate minerals have only been discovered on Mars in small amounts in martian dust, in soils in the Northern Plains, and in outcrops of limited spatial extent. Recently, carbonates have been identified as the possible source of CO2 released during thermal analysis of material from an aeolian deposit named Rocknest and drilled sample from the sheepbed mudstone, both samples analyzed by the Mars Science Laboratory (MSL) in Gale Crater. Both the Phoenix lander and MSL carry thermal analysis instruments, the Thermal and Evolved Gas Analyzer (TEGA) on Phoenix and the Sample Analysis at Mars (SAM) instrument on MSL. While thermal analysis does not provide definitive mineralogy, it can detect volatile-bearing minerals present at very low abundance and the temperature profiles of evolved gases can reveal physical properties of the sample. For example, the decomposition temperature of volatilebearing minerals depends heavily on the particle size of the mineral.
File Size	220225
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20140008713
Archival Resource Key	ark:/13960/t7cs0tg3q
Language	English
Publisher Date	2014-07-14
Access Restriction	Open
Subject Keyword	Lunar And Planetary Science And Exploration Soils Mineralogy Carbon Dioxide Mars Science Laboratory Mars Surface Decomposition Carbonates Minerals Temperature Profiles Thermal Analysis Gas Analysis Gas Detectors Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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