Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars

Jutta Zipfel, Christian Schröder, Bradley L. Jolliff, Ralf Gellert, Kenneth E. Herkenhoff, Rudolf Rieder, Robert Anderson, James Bell, Johannes Brückner, Joy A. Crisp, Philip Christensen, Benton C. Clark, Paulo A. De Souza, Gerlind Dreibus, Claude D'uston, Thanasis Economou, Steven P. Gorevan, Brian C. Hahn, Göstar Klingelhöfer, Timothy J. MccoyHarry Y. Mcsween, Douglas W. Ming, Richard V. Morris, Daniel S. Rodionov, Steven W. Squyres, Heinrich Wänke, Shawn P. Wright, Michael B. Wyatt, Albert S. Yen

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

The Opportunity rover of the Mars Exploration Rover mission encountered an isolated rock fragment with textural, mineralogical, and chemical properties similar to basaltic shergottites. This finding was confirmed by all rover instruments, and a comprehensive study of these results is reported here. Spectra from the miniature thermal emission spectrometer and the Panoramic Camera reveal a pyroxene-rich mineralogy, which is also evident in Mössbauer spectra and in normative mineralogy derived from bulk chemistry measured by the alpha particle X-ray spectrometer. The correspondence of Bounce Rock's chemical composition with the composition of certain basaltic shergottites, especially Elephant Moraine (EET) 79001 lithology B and Queen Alexandra Range (QUE) 94201, is very close, with only Cl, Fe, and Ti exhibiting deviations. Chemical analyses further demonstrate characteristics typical of Mars such as the Fe/Mn ratio and P concentrations. Possible shock features support the idea that Bounce Rock was ejected from an impact crater, most likely in the Meridiani Planum region. Bopolu crater, 19.3km in diameter, located 75km to the southwest could be the source crater. To date, no other rocks of this composition have been encountered by any of the rovers on Mars. The finding of Bounce Rock by the Opportunity rover provides further direct evidence for an origin of basaltic shergottite meteorites from Mars.

Original languageEnglish (US)
Pages (from-to)1-20
Number of pages20
JournalMeteoritics and Planetary Science
Volume46
Issue number1
DOIs
StatePublished - Jan 2011

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shergottite
basalt
mars
Mars
rocks
shergottites
craters
crater
rock
mineralogy
panoramic cameras
spectrometer
spectrometers
Mars exploration
lithology
elephant
meteorites
moraine
thermal emission
chemical properties

ASJC Scopus subject areas

  • Geophysics
  • Space and Planetary Science

Cite this

Zipfel, J., Schröder, C., Jolliff, B. L., Gellert, R., Herkenhoff, K. E., Rieder, R., ... Yen, A. S. (2011). Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars. Meteoritics and Planetary Science, 46(1), 1-20. https://doi.org/10.1111/j.1945-5100.2010.01127.x

Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars. / Zipfel, Jutta; Schröder, Christian; Jolliff, Bradley L.; Gellert, Ralf; Herkenhoff, Kenneth E.; Rieder, Rudolf; Anderson, Robert; Bell, James; Brückner, Johannes; Crisp, Joy A.; Christensen, Philip; Clark, Benton C.; De Souza, Paulo A.; Dreibus, Gerlind; D'uston, Claude; Economou, Thanasis; Gorevan, Steven P.; Hahn, Brian C.; Klingelhöfer, Göstar; Mccoy, Timothy J.; Mcsween, Harry Y.; Ming, Douglas W.; Morris, Richard V.; Rodionov, Daniel S.; Squyres, Steven W.; Wänke, Heinrich; Wright, Shawn P.; Wyatt, Michael B.; Yen, Albert S.

In: Meteoritics and Planetary Science, Vol. 46, No. 1, 01.2011, p. 1-20.

Research output: Contribution to journalArticle

Zipfel, J, Schröder, C, Jolliff, BL, Gellert, R, Herkenhoff, KE, Rieder, R, Anderson, R, Bell, J, Brückner, J, Crisp, JA, Christensen, P, Clark, BC, De Souza, PA, Dreibus, G, D'uston, C, Economou, T, Gorevan, SP, Hahn, BC, Klingelhöfer, G, Mccoy, TJ, Mcsween, HY, Ming, DW, Morris, RV, Rodionov, DS, Squyres, SW, Wänke, H, Wright, SP, Wyatt, MB & Yen, AS 2011, 'Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars', Meteoritics and Planetary Science, vol. 46, no. 1, pp. 1-20. https://doi.org/10.1111/j.1945-5100.2010.01127.x
Zipfel, Jutta ; Schröder, Christian ; Jolliff, Bradley L. ; Gellert, Ralf ; Herkenhoff, Kenneth E. ; Rieder, Rudolf ; Anderson, Robert ; Bell, James ; Brückner, Johannes ; Crisp, Joy A. ; Christensen, Philip ; Clark, Benton C. ; De Souza, Paulo A. ; Dreibus, Gerlind ; D'uston, Claude ; Economou, Thanasis ; Gorevan, Steven P. ; Hahn, Brian C. ; Klingelhöfer, Göstar ; Mccoy, Timothy J. ; Mcsween, Harry Y. ; Ming, Douglas W. ; Morris, Richard V. ; Rodionov, Daniel S. ; Squyres, Steven W. ; Wänke, Heinrich ; Wright, Shawn P. ; Wyatt, Michael B. ; Yen, Albert S. / Bounce Rock-A shergottite-like basalt encountered at Meridiani Planum, Mars. In: Meteoritics and Planetary Science. 2011 ; Vol. 46, No. 1. pp. 1-20.
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