Physics
Scientific paper
Mar 1996
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996lpi....27..909m&link_type=abstract
Lunar and Planetary Science, volume 27, page 909
Physics
Jarosites, Mars, Oxidation, Spectra: Reflectance, Weathering
Scientific paper
We report XRD and reflectivity data for samples of tephra from the summit cones of Mauna Kea Volcano that have been oxidatively altered to the hydoxysulfate minerals alunite and jarosite, presumably by hot, sulfur-bearing magmatic gas and/or fluids percolating up through the cinder cone. This process could also occur on Mars, where the heat source could be impact processes in addition to volcanic processes. It is possible that the ~900 nm band observed in certain martian spectral data results from jarosites and is evidence for these processes.
Golden D. C.
Ming Douglas W.
Morris Richard V.
Thompson David R.
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