Cassini RADAR images at hotei arcus and western Xanadu, Titan: Evidence for geologically recent cryovolcanic activity

Wall, S. D.; Lopes, R. M.; Stofan, E. R.; Wood, C. A.; Radebaugh, J. L.; Horst, S. M.; Stiles, B. W.; Nelson, R. M.; Kamp, L. W.; Janssen, M. A.; Lorenz, R. D.; Limine, J. I.; Fair, T. G.; Mitri, G.; Paillou, P.; Paganelli, F.; Mitchell, K. L.

doi:10.1029/2008GL036415

Images obtained by the Cassini Titan Radar Mapper (RADAR) reveal lobate, flowlike features in the Hotei Arcus region that embay and cover surrounding terrains and channels. We conclude that they are cryovolcanic lava flows younger than surrounding terrain, although we cannot reject the sedimentary alternative. Their appearance is grossly similar to another region in western Xanadu and unlike most of the other volcanic regions on Titan. Both regions correspond to those identified by Cassini's Visual and Infrared Mapping Spectrometer (VIMS) as having variable infrared brightness, strengthening the case that these are recent cryovolcanoes. Citation: Wall, S. D., et al. (2009), Cassini RADAR images at Hotei Arcus and western Xanadu, Titan: Evidence for geologically recent cryovolcanic activity, Geophys. Res. Lett., 36, L04203, doi: 10.1029/2008GL036415.

Titolo:	Cassini RADAR images at hotei arcus and western Xanadu, Titan: Evidence for geologically recent cryovolcanic activity
Autori:	Wall S. D. (Corresponding) Lopes R. M. Stofan E. R. Wood C. A. Radebaugh J. L. Horst S. M. Stiles B. W. Nelson R. M. Kamp L. W. Janssen M. A. Lorenz R. D. Limine J. I. Fair T. G. MITRI, GIUSEPPE Paillou P. Paganelli F. Mitchell K. L. mostra contributor esterni nascondi contributor esterni
Data di pubblicazione:	2009
Rivista:	GEOPHYSICAL RESEARCH LETTERS
Abstract:	Images obtained by the Cassini Titan Radar Mapper (RADAR) reveal lobate, flowlike features in the Hotei Arcus region that embay and cover surrounding terrains and channels. We conclude that they are cryovolcanic lava flows younger than surrounding terrain, although we cannot reject the sedimentary alternative. Their appearance is grossly similar to another region in western Xanadu and unlike most of the other volcanic regions on Titan. Both regions correspond to those identified by Cassini's Visual and Infrared Mapping Spectrometer (VIMS) as having variable infrared brightness, strengthening the case that these are recent cryovolcanoes. Citation: Wall, S. D., et al. (2009), Cassini RADAR images at Hotei Arcus and western Xanadu, Titan: Evidence for geologically recent cryovolcanic activity, Geophys. Res. Lett., 36, L04203, doi: 10.1029/2008GL036415.
Handle:	http://hdl.handle.net/11564/713205
Appare nelle tipologie:	1.1 Articolo in rivista

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