Cryovolcanism on Ceres

O. Ruesch; T. Platz; P. Schenk; L. A. McFadden; J. C. Castillo-Rogez; L. C. Quick; S. Byrne; F. Preusker; D. P. O'Brien; N. Schmedemann; David Williams; J. Y. Li; M. T. Bland; H. Hiesinger; T. Kneissl; A. Neesemann; M. Schaefer; J. H. Pasckert; B. E. Schmidt; D. L. Buczkowski; M. V. Sykes; A. Nathues; T. Roatsch; M. Hoffmann; C. A. Raymond; C. T. Russell

doi:10.1126/science.aaf4286

Cryovolcanism on Ceres

O. Ruesch, T. Platz, P. Schenk, L. A. McFadden, J. C. Castillo-Rogez, L. C. Quick, S. Byrne, F. Preusker, D. P. O'Brien, N. Schmedemann, David Williams, J. Y. Li, M. T. Bland, H. Hiesinger, T. Kneissl, A. Neesemann, M. Schaefer, J. H. Pasckert, B. E. Schmidt, D. L. BuczkowskiM. V. Sykes, A. Nathues, T. Roatsch, M. Hoffmann, C. A. Raymond, C. T. Russell

Earth and Space Exploration, School of (SESE)

Research output: Contribution to journal › Article › peer-review

160 Scopus citations

Abstract

Volcanic edifices are abundant on rocky bodies of the inner solar system. In the cold outer solar system, volcanism can occur on solid bodies with a water-ice shell, but derived cryovolcanic constructs have proved elusive.We report the discovery, using Dawn Framing Camera images, of a landform on dwarf planet Ceres that we argue represents a viscous cryovolcanic dome. Parent material of the cryomagma is a mixture of secondary minerals, including salts and water ice. Absolute model ages from impact craters reveal that extrusion of the dome has occurred recently. Ceres' evolution must have been able to sustain recent interior activity and associated surface expressions.We propose salts with low eutectic temperatures and thermal conductivities as key drivers for Ceres' long-term internal evolution.

Original language	English (US)
Article number	aaf4286
Journal	Science
Volume	353
Issue number	6303
DOIs	https://doi.org/10.1126/science.aaf4286
State	Published - Sep 2 2016

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Ruesch, O., Platz, T., Schenk, P., McFadden, L. A., Castillo-Rogez, J. C., Quick, L. C., Byrne, S., Preusker, F., O'Brien, D. P., Schmedemann, N., Williams, D., Li, J. Y., Bland, M. T., Hiesinger, H., Kneissl, T., Neesemann, A., Schaefer, M., Pasckert, J. H., Schmidt, B. E., ... Russell, C. T. (2016). Cryovolcanism on Ceres. Science, 353(6303), Article aaf4286. https://doi.org/10.1126/science.aaf4286

Ruesch, O, Platz, T, Schenk, P, McFadden, LA, Castillo-Rogez, JC, Quick, LC, Byrne, S, Preusker, F, O'Brien, DP, Schmedemann, N, Williams, D, Li, JY, Bland, MT, Hiesinger, H, Kneissl, T, Neesemann, A, Schaefer, M, Pasckert, JH, Schmidt, BE, Buczkowski, DL, Sykes, MV, Nathues, A, Roatsch, T, Hoffmann, M, Raymond, CA & Russell, CT 2016, 'Cryovolcanism on Ceres', Science, vol. 353, no. 6303, aaf4286. https://doi.org/10.1126/science.aaf4286

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abstract = "Volcanic edifices are abundant on rocky bodies of the inner solar system. In the cold outer solar system, volcanism can occur on solid bodies with a water-ice shell, but derived cryovolcanic constructs have proved elusive.We report the discovery, using Dawn Framing Camera images, of a landform on dwarf planet Ceres that we argue represents a viscous cryovolcanic dome. Parent material of the cryomagma is a mixture of secondary minerals, including salts and water ice. Absolute model ages from impact craters reveal that extrusion of the dome has occurred recently. Ceres' evolution must have been able to sustain recent interior activity and associated surface expressions.We propose salts with low eutectic temperatures and thermal conductivities as key drivers for Ceres' long-term internal evolution.",

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AU - Ruesch, O.

AU - Platz, T.

AU - Schenk, P.

AU - McFadden, L. A.

AU - Castillo-Rogez, J. C.

AU - Quick, L. C.

AU - Byrne, S.

AU - Preusker, F.

AU - O'Brien, D. P.

AU - Schmedemann, N.

AU - Williams, David

AU - Li, J. Y.

AU - Bland, M. T.

AU - Hiesinger, H.

AU - Kneissl, T.

AU - Neesemann, A.

AU - Schaefer, M.

AU - Pasckert, J. H.

AU - Schmidt, B. E.

AU - Buczkowski, D. L.

AU - Sykes, M. V.

AU - Nathues, A.

AU - Roatsch, T.

AU - Hoffmann, M.

AU - Raymond, C. A.

AU - Russell, C. T.

PY - 2016/9/2

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AB - Volcanic edifices are abundant on rocky bodies of the inner solar system. In the cold outer solar system, volcanism can occur on solid bodies with a water-ice shell, but derived cryovolcanic constructs have proved elusive.We report the discovery, using Dawn Framing Camera images, of a landform on dwarf planet Ceres that we argue represents a viscous cryovolcanic dome. Parent material of the cryomagma is a mixture of secondary minerals, including salts and water ice. Absolute model ages from impact craters reveal that extrusion of the dome has occurred recently. Ceres' evolution must have been able to sustain recent interior activity and associated surface expressions.We propose salts with low eutectic temperatures and thermal conductivities as key drivers for Ceres' long-term internal evolution.

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Cryovolcanism on Ceres

Abstract

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