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The unique geomorphology and structural geology of the Haulani crater of dwarf planet Ceres as revealed by geological mapping of equatorial quadrangle Ac-6 Haulani

Krohn, Katrin and Jaumann, R. and Otto, Katharina A. and Schulzeck, Franziska and Neesemann, Adrian and Nass, Andrea and Stephan, Katrin and Tosi, F. and Wagner, Roland and Zambon, F. and von der Gathen, Isabel and Williams, D.A. and Buczkowski, D.L. and De Sanctis, M.C. and Kersten, Elke and Matz, Klaus-Dieter and Mest, S.C. and Pieters, C.M. and Preusker, Frank and Roatsch, Thomas and Scully, J.E.C. and Russell, C.T. and Raymond, C.A. (2017) The unique geomorphology and structural geology of the Haulani crater of dwarf planet Ceres as revealed by geological mapping of equatorial quadrangle Ac-6 Haulani. Icarus. Elsevier. DOI: 10.1016/j.icarus.2017.09.014 ISSN 0019-1035 (In Press)

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Official URL: http://www.sciencedirect.com/science/article/pii/S0019103516305140

Abstract

The dwarf planet Ceres has been explored by NASA's Dawn spacecraft with the goal of characterizing its geology, mineralogy, topography, shape, and internal structure. One outcome of this exploration is the production of geologic maps, meant to unveil the geologic history of Ceres. In this paper, we present the geologic map of the Ac-6 Haulani quadrangle (Lat. 22°S-22°N, Long. 0°-72°E) based on Low Altitude Mapping Orbit (LAMO) (35 m/pixel) data supplemented with color and spectral data, as well as a digital terrain model from the High Altitude Mapping Orbit (HAMO) (135 m/pixel, vertical accuracy of about 10 m). The 34 km diameter Haulani crater is one of the youngest features on Ceres and the most prominent one in the quadrangle. Haulani was formed on a topographical transition in North-south direction and shows a complex morphology with a variety of lobate flows and tectonic features. Multiple cracks and depressions around the crater indicate the failure of subsurface material. These were likely formed by the subsidence of material due to the instability of the subsurface. The mapping of Ac-6 Haulani suggests that Ceres is built up of layers with different material properties. We propose that Ceres has a solid crust and a variable ice-rich subsurface consistent with previous and recent models of Ceres' interior.

Item URL in elib:https://elib.dlr.de/115016/
Document Type:Article
Additional Information:Bisher nur online erschienen.
Title:The unique geomorphology and structural geology of the Haulani crater of dwarf planet Ceres as revealed by geological mapping of equatorial quadrangle Ac-6 Haulani
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Krohn, Katrinkatrin.krohn (at) dlr.dehttps://orcid.org/0000-0001-8518-4985
Jaumann, R.ralf.jaumann (at) dlr.deUNSPECIFIED
Otto, Katharina A.Katharina.Otto (at) dlr.dehttps://orcid.org/0000-0002-0675-1177
Schulzeck, FranziskaFranziska.Schulzeck (at) dlr.deUNSPECIFIED
Neesemann, Adrianadrian.neesemann (at) fu-berlin.deUNSPECIFIED
Nass, Andreaandrea.nass (at) dlr.deUNSPECIFIED
Stephan, KatrinKatrin.Stephan (at) dlr.deUNSPECIFIED
Tosi, F.inaf-iasf istituto di astrofisica spaziale e fisica cosmica, roma italyUNSPECIFIED
Wagner, RolandRoland.Wagner (at) dlr.deUNSPECIFIED
Zambon, F.inaf-iaps, via del fosso del cavaliere 100, i-00133 rome, italyUNSPECIFIED
von der Gathen, IsabelIsabel.Gathen (at) dlr.deUNSPECIFIED
Williams, D.A.arizona state universityUNSPECIFIED
Buczkowski, D.L.johns hopkins university applied physics laboratory 11100 johns hopkins rd. laurel, md 20723-6099, usaUNSPECIFIED
De Sanctis, M.C.istituto nazionale di astrofisica, rome, italy.UNSPECIFIED
Kersten, ElkeElke.Kersten (at) dlr.deUNSPECIFIED
Matz, Klaus-Dieterklaus-dieter.matz (at) dlr.deUNSPECIFIED
Mest, S.C.planetary science institute,tucson, azUNSPECIFIED
Pieters, C.M.brown university, providence, ri, usaUNSPECIFIED
Preusker, Frankfrank.preusker (at) dlr.deUNSPECIFIED
Roatsch, ThomasThomas.Roatsch (at) dlr.deUNSPECIFIED
Scully, J.E.C.nasa jpl, california institute of technology, pasadena, californiaUNSPECIFIED
Russell, C.T.institute of geophysics, university of california, los angeles, los angeles, ca 90095UNSPECIFIED
Raymond, C.A.jet propulsion laboratory, california institute of technology, pasadena, ca 91109-8099, usaUNSPECIFIED
Date:29 September 2017
Journal or Publication Title:Icarus
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
DOI :10.1016/j.icarus.2017.09.014
Publisher:Elsevier
ISSN:0019-1035
Status:In Press
Keywords:cryovolcanism, dwarf planet, asteroids, Ceres, mapping, blue material
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Projekt DAWN
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Institute of Planetary Research > Planetary Geodesy
Deposited By: Krohn, Dr.rer.nat Katrin
Deposited On:10 Nov 2017 12:48
Last Modified:01 Feb 2020 03:00

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