Sulfur-induced greenhouse warming on early Mars

  title={Sulfur-induced greenhouse warming on early Mars},
  author={Sarah Stewart Johnson and Michael A. Mischna and Timothy L Grove and Maria T. Zuber},
[1] Mineralogical, geological, geophysical, and isotopic data recently returned from Mars suggest that the delivery of sulfur gases to the atmosphere may have played a significant role in the planet’s early evolution. Using the Gusev Crater basalt composition and a batch melting model, we obtain a high sulfur solubility, approximately 1400 ppm, in Martian mantle melts. We proceed to explore different scenarios for the pulsed degassing of sulfur volatiles associated with the emplacement of near… CONTINUE READING
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