COSMOCHEMISTRY iLLUSTRATED Jarosite Stopwatch on MarsJarosite Stopwatch on Mars Jarosite Stopwatch...
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COSMOCHEMISTRY iLLUSTRATED Jarosite Stopwatch on Mars Jarosite Stopwatch on Mars Jarosite Stopwatch on Mars The Meridiani landing site on Mars is made of eolian deposits altered by water (driven by a fluctuating water table). Mössbauer spectrometry indicates the presence of jarosite, (Na,K,H)Fe 3 (SO 4 ) 2 (OH) 6 . Burns Cliff, Meridiani Planum, Ma ~7m
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Transcript of COSMOCHEMISTRY iLLUSTRATED Jarosite Stopwatch on MarsJarosite Stopwatch on Mars Jarosite Stopwatch...
COSMOCHEMISTRY iLLUSTRATED
Jarosite Stopwatch on MarsJarosite Stopwatch on Mars
Jarosite Stopwatch on Mars
The Meridiani landing site on Mars is made of eolian deposits altered by water (driven by a fluctuating water table). Mössbauer spectrometry indicates the presence of jarosite,(Na,K,H)Fe3(SO4)2(OH)6.
Burns Cliff, Meridiani Planum, Mars
~7m
COSMOCHEMISTRY iLLUSTRATED
Jarosite StabilityJarosite Stability
Jarosite Stopwatch on Mars
Jarosite forms early in basalt weathering and at low pH, relatively oxidizing conditions.
Diagrams after Elwood Madden et al. (2004)