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Initial Gelogical Maps of the AC-H-10 Rongo and AC-H-15 Zadeni Quadrangles of Ceres using DAWN spacecraft data

Platz, Thomas and Nathues, Andreas and Crown, David and Mest, Scott Charles and Williams, David and Hoffmann, Martin and Schäfer, Michael and Sizemore, Hanna and Ruesch, Ottaviano and Preusker, Frank (2015) Initial Gelogical Maps of the AC-H-10 Rongo and AC-H-15 Zadeni Quadrangles of Ceres using DAWN spacecraft data. GSA Annual Meeting, 01-04 Nov 2015, Baltimore, Maryland, USA.

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Abstract

We used geologic mapping applied to Dawn spacecraft data as a tool to understand the geologic history of the Ac-H-10 Rongo and Ac-H-15 Zadeni quadrangles of dwarf planet Ceres. These regions, Rongo and Zadeni, are located between 22°S-22°N and 288°-360°E and 65-90°S and 0°-360°E, respectively. The Rongo Quadrangle hosts a number of features: 1) the southwest portion is dissected by curvilinear structures likely caused by Yalode basin formation; 2) the central part is marked by dome-like constructs up to 100 km across; 3) a peculiar bright, c.4 km tall, conical structure informally known as the ‘pyramid’; 4) impact craters of various diameters appear moderately to highly degraded or are partially buried; and 5) bright material is primarily exposed in the central portion and often associated with craters. Rongo crater (68 km across) exhibits a central peak and scalloped walls indicative of its degraded appearance. The Zadeni Quadrangle is characterised by impact craters up to 130 km in diameter of which Zadeni crater is the largest. Impact craters across all sizes exhibit fresh to highly degraded morphologies or are partially buried. Many craters developed central peaks. Inter-crater plains are generally hummocky with isolated regions of smooth-textured surfaces. The south pole area (85-90°S) is poorly illuminated and may host a large impact structure. Upcoming work includes compositional assessment of surface units utilising FC colour images and VIR spectral data and establishment of relative and absolute stratigraphy using crater-based dating techniques.

Item URL in elib:https://elib.dlr.de/101364/
Document Type:Conference or Workshop Item (Poster)
Title:Initial Gelogical Maps of the AC-H-10 Rongo and AC-H-15 Zadeni Quadrangles of Ceres using DAWN spacecraft data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Platz, ThomasMax Planck Institut für SonnensystemforschungUNSPECIFIED
Nathues, AndreasMax Planck Institute for Solar System Research, Katlenburg-Lindau, Germany.UNSPECIFIED
Crown, DavidPlanetary Science InstituteUNSPECIFIED
Mest, Scott CharlesPlanetary Science Institute, Tucson, AZ, United States.UNSPECIFIED
Williams, DavidArizona State UniversityUNSPECIFIED
Hoffmann, MartinMax Planck Institute, Katlenburg-Lindau, Germany.UNSPECIFIED
Schäfer, MichaelMax Planck Institute for Solar System Research, Katlenburg-Lindau, Germany.UNSPECIFIED
Sizemore, HannaPlanetary Science Institute, Tucson, AZ, United States.UNSPECIFIED
Ruesch, OttavianoPlanetologie, Westfälische Wilhelms-Universität, Wilhelm-Klemm-Str. 10, 48149 Münster, GermanyUNSPECIFIED
Preusker, Frankfrank.preusker (at) dlr.deUNSPECIFIED
Date:2015
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:Dawn, Ceres, Geological Map
Event Title:GSA Annual Meeting
Event Location:Baltimore, Maryland, USA
Event Type:international Conference
Event Dates:01-04 Nov 2015
Organizer:The Geological Society of America
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 Geodesy
Deposited By: Scholten, Dipl.-Ing. Frank
Deposited On:05 Jan 2016 13:08
Last Modified:10 May 2016 23:39

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