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  Impact heat driven volatile redistribution at Occator crater on Ceres as a comparative planetary process

Schenk, P., Scully, J., Buczkowski, D., Sizemore, H., Schmidt, B., Pieters, C., et al. (2020). Impact heat driven volatile redistribution at Occator crater on Ceres as a comparative planetary process. Nature Communications, 11(1): 3679. doi:10.1038/s41467-020-17184-7.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-F974-F Version Permalink: http://hdl.handle.net/21.11116/0000-0007-0A5C-8
Genre: Journal Article

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 Creators:
Schenk, P., Author
Scully, J., Author
Buczkowski, D., Author
Sizemore, H., Author
Schmidt, B., Author
Pieters, C., Author
Neesemann, A., Author
O’Brien, D., Author
Marchi, S., Author
Williams, D., Author
Nathues, Andreas1, Author              
Sanctis, M. De, Author
Tosi, F., Author
Russell, C. T., Author
Castillo-Rogez, J., Author
Raymond, C., Author
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 MPIS_PROJECTS: DAWN
 Abstract: Hydrothermal processes in impact environments on water-rich bodies such as Mars and Earth are relevant to the origins of life. Dawn mapping of dwarf planet (1) Ceres has identified similar deposits within Occator crater. Here we show using Dawn high-resolution stereo imaging and topography that Ceres’ unique composition has resulted in widespread mantling by solidified water- and salt-rich mud-like impact melts with scattered endogenic pits, troughs, and bright mounds indicative of outgassing of volatiles and periglacial-style activity during solidification. These features are distinct from and less extensive than on Mars, indicating that Occator melts may be less gas-rich or volatiles partially inhibited from reaching the surface. Bright salts at Vinalia Faculae form thin surficial precipitates sourced from hydrothermal brine effusion at many individual sites, coalescing in several larger centers, but their ages are statistically indistinguishable from floor materials, allowing for but not requiring migration of brines from deep crustal source(s).

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-020-17184-7
 Degree: -

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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 11 (1) Sequence Number: 3679 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723