Planetary science

Ancient equatorial ice on Mars?

NASA's Opportunity rover found enigmatic sulphate deposits at Meridiani Planum on Mars. A proposal that the deposits are sublimation leftovers of large ice-fields, similar in scale to those at the present-day polar caps, adds to the existing hypotheses.

Access options

Rent or Buy article

Get time limited or full article access on ReadCube.

from$8.99

All prices are NET prices.

Figure 1: Ice on Mars.

References

  1. 1

    Squyres, S. W. et al. Science 313, 1403–1407 (2006).

  2. 2

    McCollom, T. M. & Hynek, B. M. Nature 438, 1129–1131 (2005).

  3. 3

    Knauth, L. P., Burt, D. M. & Wohletz, K. H. Nature 438, 1123–1128 (2005).

  4. 4

    Niles, P. B. & Michalski, J. Nature Geosci. 2, 215–220 (2009).

  5. 5

    Schultz, P. H. & Lutz, A. B. Icarus 73, 91–141 (1988).

  6. 6

    Jakosky, B. M. & Carr, M. H. Nature 315, 559–561 (1985).

  7. 7

    Hynek, B. M. & Phillips, R. J. Earth Planet. Sci. Lett. 274, 214–220 (2008).

  8. 8

    Andrews-Hanna, J. C., Phillips, R. J. & Zuber, M. T. Nature 446, 163–166 (2007).

  9. 9

    Tanaka, K. L. Icarus 144, 254–266 (2000).

  10. 10

    Langevin, Y., Poulet, F., Bibring, J.-P. & Gondet, B. Science 307, 1584–1586 (2005).

  11. 11

    Tosca, N. J., Knoll, A. H. & McLennan, S. M. Science 320, 1204–1207 (2008).

  12. 12

    Jakosky, B. M., Nealson, K. H., Bakermans, C., Ley, R. E. & Mellon, M. T. Astrobiology. 3, 343–350 (2003).

Download references

Author information

Rights and permissions

Reprints and Permissions

About this article

Cite this article

Hynek, B. Ancient equatorial ice on Mars?. Nature Geosci 2, 169–170 (2009). https://doi.org/10.1038/ngeo448

Download citation

Further reading