Elemental Geochemistry of Sedimentary Rocks at Yellowknife Bay, Gale Crater, Mars

@article{McLennan2014ElementalGO,
  title={Elemental Geochemistry of Sedimentary Rocks at Yellowknife Bay, Gale Crater, Mars},
  author={S. McLennan and R. Anderson and J. Bell and J. Bridges and F. Calef and J. L. Campbell and B. Clark and S. Clegg and P. Conrad and A. Cousin and D. D. Des Marais and G. Dromart and M. Dyar and L. Edgar and B. Ehlmann and C. Fabre and O. Forni and O. Gasnault and R. Gellert and S. Gordon and J. Grant and J. Grotzinger and S. Gupta and K. Herkenhoff and J. Hurowitz and P. King and S. Le Mou{\'e}lic and L. Leshin and R. L{\'e}veill{\'e} and K. Lewis and N. Mangold and S. Maurice and D. Ming and R. Morris and M. Nachon and H. Newsom and A. Ollila and G. Perrett and M. Rice and M. E. Schmidt and S. Schwenzer and K. Stack and E. Stolper and D. Sumner and A. Treiman and S. VanBommel and D. Vaniman and A. Vasavada and R. Wiens and R. A. Yingst},
  journal={Science},
  year={2014},
  volume={343}
}
Sedimentary rocks examined by the Curiosity rover at Yellowknife Bay, Mars, were derived from sources that evolved from an approximately average martian crustal composition to one influenced by alkaline basalts. No evidence of chemical weathering is preserved, indicating arid, possibly cold, paleoclimates and rapid erosion and deposition. The absence of predicted geochemical variations indicates that magnetite and phyllosilicates formed by diagenesis under low-temperature, circumneutral pH… Expand
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