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

K. Krohn, R. Jaumann, K. A. Otto, F. Schulzeck, A. Neesemann, A. Nass, K. Stephan, F. Tosi, R. J. Wagner, F. Zambon, I. von der Gathen, David Williams, D. L. Buczkowski, M. C. De Sanctis, E. Kersten, K. D. Matz, S. C. Mest, C. M. Pieters, F. Preusker, T. Roatsch & 3 others J. E.C. Scully, C. T. Russell, C. A. Raymond

Research output: Contribution to journalArticle

6 Citations (Scopus)

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) (∼35m/pixel) data supplemented with color and spectral data, as well as a digital terrain model from the High Altitude Mapping Orbit (HAMO) (∼135m/pixel, vertical accuracy of about 10m). The 34km 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.

Original languageEnglish (US)
JournalIcarus
DOIs
StateAccepted/In press - Jan 1 2017

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dwarf planets
geomorphology
structural geology
geological mapping
geology
craters
crater
planet
pixel
pixels
orbits
tectonic feature
low altitude
digital terrain model
subsidence
mineralogy
high altitude
tectonics
crusts
topography

ASJC Scopus subject areas

  • Astronomy and Astrophysics
  • Space and Planetary Science

Cite this

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, K.; Jaumann, R.; Otto, K. A.; Schulzeck, F.; Neesemann, A.; Nass, A.; Stephan, K.; Tosi, F.; Wagner, R. J.; Zambon, F.; von der Gathen, I.; Williams, David; Buczkowski, D. L.; De Sanctis, M. C.; Kersten, E.; Matz, K. D.; Mest, S. C.; Pieters, C. M.; Preusker, F.; Roatsch, T.; Scully, J. E.C.; Russell, C. T.; Raymond, C. A.

In: Icarus, 01.01.2017.

Research output: Contribution to journalArticle

Krohn, K, Jaumann, R, Otto, KA, Schulzeck, F, Neesemann, A, Nass, A, Stephan, K, Tosi, F, Wagner, RJ, Zambon, F, von der Gathen, I, Williams, D, Buczkowski, DL, De Sanctis, MC, Kersten, E, Matz, KD, Mest, SC, Pieters, CM, Preusker, F, Roatsch, T, Scully, JEC, Russell, CT & Raymond, CA 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. https://doi.org/10.1016/j.icarus.2017.09.014
Krohn, K. ; Jaumann, R. ; Otto, K. A. ; Schulzeck, F. ; Neesemann, A. ; Nass, A. ; Stephan, K. ; Tosi, F. ; Wagner, R. J. ; Zambon, F. ; von der Gathen, I. ; Williams, David ; Buczkowski, D. L. ; De Sanctis, M. C. ; Kersten, E. ; Matz, K. D. ; Mest, S. C. ; Pieters, C. M. ; Preusker, F. ; Roatsch, T. ; Scully, J. E.C. ; Russell, C. T. ; Raymond, C. A. / 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. In: Icarus. 2017.
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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) (∼35m/pixel) data supplemented with color and spectral data, as well as a digital terrain model from the High Altitude Mapping Orbit (HAMO) (∼135m/pixel, vertical accuracy of about 10m). The 34km 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.",
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AU - Jaumann, R.

AU - Otto, K. A.

AU - Schulzeck, F.

AU - Neesemann, A.

AU - Nass, A.

AU - Stephan, K.

AU - Tosi, F.

AU - Wagner, R. J.

AU - Zambon, F.

AU - von der Gathen, I.

AU - Williams, David

AU - Buczkowski, D. L.

AU - De Sanctis, M. C.

AU - Kersten, E.

AU - Matz, K. D.

AU - Mest, S. C.

AU - Pieters, C. M.

AU - Preusker, F.

AU - Roatsch, T.

AU - Scully, J. E.C.

AU - Russell, C. T.

AU - Raymond, C. A.

PY - 2017/1/1

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N2 - 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) (∼35m/pixel) data supplemented with color and spectral data, as well as a digital terrain model from the High Altitude Mapping Orbit (HAMO) (∼135m/pixel, vertical accuracy of about 10m). The 34km 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.

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