Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/27418
Title: On the chemical composition of Titan’s dry lakebed evaporites
Authors: Cordier, D. 
Barnes, J. W. 
Ferreira, A. G. 
Keywords: Satellites, surfaces; Saturn, satellites; Titan; Titan, hydrology; Titan, surface; Prebiotic environments
Issue Date: Dec-2013
Publisher: Elsevier
Citation: CORDIER, D.; BARNES, J. W.; FERREIRA, A. G. - On the chemical composition of Titan’s dry lakebed evaporites. "Icarus". ISSN 0019-1035. Vol. 226 Nº. 2 (2013) p. 1431-1437
Abstract: Titan, the main satellite of Saturn, has an active cycle of methane in its troposphere. Among other evidence for a mechanism of evaporation at work on the ground, dry lakebeds have been discovered. Recent Cassini infrared observations of these empty lakes have revealed a surface composition poor in water ice compared to that of the surrounding terrains—suggesting the existence of organic evaporites deposits. The chemical composition of these possible evaporites is unknown. In this paper, we study evaporite composition using a model that treats both organic solids dissolution and solvent evaporation. Our results suggest the possibility of large abundances of butane and acetylene in the lake evaporites. However, due to uncertainties of the employed theory, these determinations have to be confirmed by laboratory experiments.
URI: http://hdl.handle.net/10316/27418
ISSN: 0019-1035
DOI: 10.1016/j.icarus.2013.07.026
Rights: openAccess
Appears in Collections:FCTUC Eng.Química - Artigos em Revistas Internacionais

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