Gossans on Mars: Spectral features attributed to jarosite

Details Gossans on Mars: Spectral features attributed to jarosite Gossans on Mars: Spectral features attributed to jarosite

May 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987pggp.rept..176b&link_type=abstract

In NASA, Washington, Reports of Planetary Geology and Geophysics Program, 1986 p 176-177 (SEE N87-23341 16-91)

Physics

Geophysics

Igneous Rocks, Mars Surface, Minerals, Permafrost, Spectral Reflectance, Spectrum Analysis, Sulfides, Iron Oxides, Mars (Planet), Viking Spacecraft

Scientific paper

Jarosites, which are present in terrestrial gossans capping oxidized sulfides associated with mafic igneous rocks, may also be present in Martian regolith. Spectral characteristics of jarosites are displayed in remote sensed reflectance spectra of bright regions of Mars surface. The occurrence of jarosite in the regolith would imply that acidic permafrost and sulfide ores exist beneath the surface of Mars.

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