Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover

Philip Christensen, M. B. Wyatt, T. D. Glotch, A. D. Rogers, S. Anwar, R. E. Arvidson, J. L. Bandfield, D. L. Blaney, C. Budney, W. M. Calvin, A. Fallacaro, R. L. Fergason, N. Gorelick, T. G. Graff, V. E. Hamilton, A. G. Hayes, J. R. Johnson, A. T. Knudson, H. Y. McSween, G. L. Mehall & 7 others L. K. Mehall, J. E. Moersch, R. V. Morris, M. D. Smith, S. W. Squyres, Steven Ruff, M. J. Wolff

Research output: Contribution to journal › Article

261 Citations (Scopus)

Abstract

The Miniature Thermal Emission Spectrometer (Mini-TES) on Opportunity investigated the mineral abundances and compositions of outcrops, rocks, and soils at Meridiani Planum. Coarse crystalline hematite and olivine-rich basaltic sands were observed as predicted from orbital TES spectroscopy. Outcrops of aqueous origin are composed of 15 to 35% by volume magnesium and calcium sulfates [a high-silica component modeled as a combination of glass, feldspar, and sheet silicates (∼20 to 30%)], and hematite; only minor jarosite is identified in Mini-TES spectra. Mini-TES spectra show only a hematite signature in the millimeter-sized spherules. Basaltic materials have more plagioclase than pyroxene, contain olivine, and are similar in inferred mineral composition to basalt mapped from orbit. Bounce rock is dominated by clinopyroxene and is close in inferred mineral composition to the basaltic martian meteorites. Bright wind streak material matches global dust. Waterlain rocks covered by unaltered basaltic sands suggest a change from an aqueous environment to one dominated by physical weathering.

Original languageEnglish (US)
Pages (from-to)1733-1739
Number of pages7
JournalScience
Volume306
Issue number5702
DOIs
StatePublished - Dec 3 2004

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Temazepam
Minerals
Hot Temperature
Meteoroids
Calcium Sulfate
Silicates
Magnesium Sulfate
Orbit
Dust
Silicon Dioxide
Glass
Spectrum Analysis
Soil
ferric oxide
olivine

ASJC Scopus subject areas

  • General

Cite this

Christensen, P., Wyatt, M. B., Glotch, T. D., Rogers, A. D., Anwar, S., Arvidson, R. E., ... Wolff, M. J. (2004). Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover. Science, 306(5702), 1733-1739. https://doi.org/10.1126/science.1104909

Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover. / Christensen, Philip; Wyatt, M. B.; Glotch, T. D.; Rogers, A. D.; Anwar, S.; Arvidson, R. E.; Bandfield, J. L.; Blaney, D. L.; Budney, C.; Calvin, W. M.; Fallacaro, A.; Fergason, R. L.; Gorelick, N.; Graff, T. G.; Hamilton, V. E.; Hayes, A. G.; Johnson, J. R.; Knudson, A. T.; McSween, H. Y.; Mehall, G. L.; Mehall, L. K.; Moersch, J. E.; Morris, R. V.; Smith, M. D.; Squyres, S. W.; Ruff, Steven; Wolff, M. J.

In: Science, Vol. 306, No. 5702, 03.12.2004, p. 1733-1739.

Research output: Contribution to journal › Article

Christensen, P, Wyatt, MB, Glotch, TD, Rogers, AD, Anwar, S, Arvidson, RE, Bandfield, JL, Blaney, DL, Budney, C, Calvin, WM, Fallacaro, A, Fergason, RL, Gorelick, N, Graff, TG, Hamilton, VE, Hayes, AG, Johnson, JR, Knudson, AT, McSween, HY, Mehall, GL, Mehall, LK, Moersch, JE, Morris, RV, Smith, MD, Squyres, SW, Ruff, S & Wolff, MJ 2004, 'Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover', Science, vol. 306, no. 5702, pp. 1733-1739. https://doi.org/10.1126/science.1104909
Christensen P, Wyatt MB, Glotch TD, Rogers AD, Anwar S, Arvidson RE et al. Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover. Science. 2004 Dec 3;306(5702):1733-1739. https://doi.org/10.1126/science.1104909
Christensen, Philip ; Wyatt, M. B. ; Glotch, T. D. ; Rogers, A. D. ; Anwar, S. ; Arvidson, R. E. ; Bandfield, J. L. ; Blaney, D. L. ; Budney, C. ; Calvin, W. M. ; Fallacaro, A. ; Fergason, R. L. ; Gorelick, N. ; Graff, T. G. ; Hamilton, V. E. ; Hayes, A. G. ; Johnson, J. R. ; Knudson, A. T. ; McSween, H. Y. ; Mehall, G. L. ; Mehall, L. K. ; Moersch, J. E. ; Morris, R. V. ; Smith, M. D. ; Squyres, S. W. ; Ruff, Steven ; Wolff, M. J. / Mineralogy at Meridiani Planum from the Mini-TES experiment on the opportunity rover. In: Science. 2004 ; Vol. 306, No. 5702. pp. 1733-1739.
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