Evidence for middle amazonian catastrophic flooding and glaciation on mars

J. Alexis P Rodríguez, Virginia C. Gulick, Victor Baker, Thomas Platz, Alberto G. Fairén, Hideaki Miyamoto, Jeffrey S. Kargel, James W. Rice, Natalie Glines

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Early geologic investigations of Mars revealed some of the largest channels in the Solar System (outflow channels), which appear to have mostly developed ~3. byr ago. These channels have been the subject of much scientific inquiry since the 1970s and proposed formative processes included surface erosion by catastrophic floods, glaciers, debris flows and lava flows. Based on the analysis of newly acquired Mars Reconnaissance Orbiter (MRO) Context (CTX, 5.15-5.91. m/pixel) and High Resolution Imaging Science Experiment (HiRISE, 25-50. cm/pixel) image data, we have identified a few locations contained within relatively narrow canyons of the southern circum-Chryse outflow channels that retain well-preserved decameter/hectometer-scale landform assemblages. These terrains include landforms consistent in shape, dimension and overall assemblage to those produced by catastrophic floods, and at one location, to glacial morphologies. Impact crater statistics for four of these surfaces, located within upstream, midstream and downstream outflow channel surfaces, yield an age estimate of ~600. myr. This suggests that the southern circum-Chryse outflow channels were locally resurfaced by some of the most recent catastrophic floods on the planet, and that these floods coexisted within regional glacier environments as recently as during the Middle Amazonian.

Original languageEnglish (US)
Pages (from-to)202-210
Number of pages9
JournalIcarus
Volume242
DOIs
StatePublished - Dec 1 2014

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mars
glaciation
Mars
flooding
outflow
landforms
glaciers
landform
pixel
glacier
pixels
Mars Reconnaissance Orbiter
canyons
lava
lava flow
debris
craters
debris flow
solar system
upstream

Keywords

  • Geological processes
  • Mars
  • Surface

ASJC Scopus subject areas

  • Space and Planetary Science
  • Astronomy and Astrophysics

Cite this

Rodríguez, J. A. P., Gulick, V. C., Baker, V., Platz, T., Fairén, A. G., Miyamoto, H., ... Glines, N. (2014). Evidence for middle amazonian catastrophic flooding and glaciation on mars. Icarus, 242, 202-210. https://doi.org/10.1016/j.icarus.2014.06.008

Evidence for middle amazonian catastrophic flooding and glaciation on mars. / Rodríguez, J. Alexis P; Gulick, Virginia C.; Baker, Victor; Platz, Thomas; Fairén, Alberto G.; Miyamoto, Hideaki; Kargel, Jeffrey S.; Rice, James W.; Glines, Natalie.

In: Icarus, Vol. 242, 01.12.2014, p. 202-210.

Research output: Contribution to journalArticle

Rodríguez, JAP, Gulick, VC, Baker, V, Platz, T, Fairén, AG, Miyamoto, H, Kargel, JS, Rice, JW & Glines, N 2014, 'Evidence for middle amazonian catastrophic flooding and glaciation on mars', Icarus, vol. 242, pp. 202-210. https://doi.org/10.1016/j.icarus.2014.06.008
Rodríguez JAP, Gulick VC, Baker V, Platz T, Fairén AG, Miyamoto H et al. Evidence for middle amazonian catastrophic flooding and glaciation on mars. Icarus. 2014 Dec 1;242:202-210. https://doi.org/10.1016/j.icarus.2014.06.008
Rodríguez, J. Alexis P ; Gulick, Virginia C. ; Baker, Victor ; Platz, Thomas ; Fairén, Alberto G. ; Miyamoto, Hideaki ; Kargel, Jeffrey S. ; Rice, James W. ; Glines, Natalie. / Evidence for middle amazonian catastrophic flooding and glaciation on mars. In: Icarus. 2014 ; Vol. 242. pp. 202-210.
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