Basaltic rocks analyzed by the Spirit rover in Gusev crater

H. Y. McSween, R. E. Arvidson, James Bell, D. Blaney, N. A. Cabrol, Philip Christensen, B. C. Clark, J. A. Crisp, L. S. Crumpler, D. J. Des Marias, Jack Farmer, R. Gellert, A. Ghosh, S. Gorevan, T. Graff, J. Grant, L. A. Haskin, K. E. Herkenhoff, J. R. Johnson, B. L. JolliffG. Klingelhoefer, A. T. Knudson, S. McLennan, K. A. Milam, J. E. Moersch, R. V. Morris, R. Rieder, Steven Ruff, P. A. De Souza, S. W. Squyres, H. Wänke, A. Wang, M. B. Wyatt, A. Yen, J. Zipfel

Research output: Contribution to journalArticle

204 Citations (Scopus)

Abstract

The Spirit landing site in Gusev Crater on Mars contains dark, fine-grained, vesicular rocks interpreted as lavas. Pancam and Mini-Thermal Emission Spectrometer (Mini-TES) spectra suggest that all of these rocks are similar but have variable coatings and dust mantles. Magnified images of brushed and abraded rock surfaces show alteration rinds and veins. Rock interiors contain ≤25% megacrysts. Chemical analyses of rocks by the Alpha Particle X-ray Spectrometer are consistent with picritic basalts, containing normative olivine, pyroxenes, plagioclase, and accessory FeTi oxides. Mössbauer, Pancam, and Mini-TES spectra confirm the presence of olivine, magnetite, and probably pyroxene. These basalts extend the known range of rock compositions composing the martian crust.

Original languageEnglish (US)
Pages (from-to)842-845
Number of pages4
JournalScience
Volume305
Issue number5685
DOIs
StatePublished - Aug 6 2004

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Hot Temperature
Alpha Particles
Ferrosoferric Oxide
Mars
Dust
Oxides
Veins
Fetus
X-Rays
basalt
olivine
plagioclase
pyroxene

ASJC Scopus subject areas

  • General

Cite this

McSween, H. Y., Arvidson, R. E., Bell, J., Blaney, D., Cabrol, N. A., Christensen, P., ... Zipfel, J. (2004). Basaltic rocks analyzed by the Spirit rover in Gusev crater. Science, 305(5685), 842-845. https://doi.org/10.1126/science.1099851

Basaltic rocks analyzed by the Spirit rover in Gusev crater. / McSween, H. Y.; Arvidson, R. E.; Bell, James; Blaney, D.; Cabrol, N. A.; Christensen, Philip; Clark, B. C.; Crisp, J. A.; Crumpler, L. S.; Des Marias, D. J.; Farmer, Jack; Gellert, R.; Ghosh, A.; Gorevan, S.; Graff, T.; Grant, J.; Haskin, L. A.; Herkenhoff, K. E.; Johnson, J. R.; Jolliff, B. L.; Klingelhoefer, G.; Knudson, A. T.; McLennan, S.; Milam, K. A.; Moersch, J. E.; Morris, R. V.; Rieder, R.; Ruff, Steven; De Souza, P. A.; Squyres, S. W.; Wänke, H.; Wang, A.; Wyatt, M. B.; Yen, A.; Zipfel, J.

In: Science, Vol. 305, No. 5685, 06.08.2004, p. 842-845.

Research output: Contribution to journalArticle

McSween, HY, Arvidson, RE, Bell, J, Blaney, D, Cabrol, NA, Christensen, P, Clark, BC, Crisp, JA, Crumpler, LS, Des Marias, DJ, Farmer, J, Gellert, R, Ghosh, A, Gorevan, S, Graff, T, Grant, J, Haskin, LA, Herkenhoff, KE, Johnson, JR, Jolliff, BL, Klingelhoefer, G, Knudson, AT, McLennan, S, Milam, KA, Moersch, JE, Morris, RV, Rieder, R, Ruff, S, De Souza, PA, Squyres, SW, Wänke, H, Wang, A, Wyatt, MB, Yen, A & Zipfel, J 2004, 'Basaltic rocks analyzed by the Spirit rover in Gusev crater', Science, vol. 305, no. 5685, pp. 842-845. https://doi.org/10.1126/science.1099851
McSween HY, Arvidson RE, Bell J, Blaney D, Cabrol NA, Christensen P et al. Basaltic rocks analyzed by the Spirit rover in Gusev crater. Science. 2004 Aug 6;305(5685):842-845. https://doi.org/10.1126/science.1099851
McSween, H. Y. ; Arvidson, R. E. ; Bell, James ; Blaney, D. ; Cabrol, N. A. ; Christensen, Philip ; Clark, B. C. ; Crisp, J. A. ; Crumpler, L. S. ; Des Marias, D. J. ; Farmer, Jack ; Gellert, R. ; Ghosh, A. ; Gorevan, S. ; Graff, T. ; Grant, J. ; Haskin, L. A. ; Herkenhoff, K. E. ; Johnson, J. R. ; Jolliff, B. L. ; Klingelhoefer, G. ; Knudson, A. T. ; McLennan, S. ; Milam, K. A. ; Moersch, J. E. ; Morris, R. V. ; Rieder, R. ; Ruff, Steven ; De Souza, P. A. ; Squyres, S. W. ; Wänke, H. ; Wang, A. ; Wyatt, M. B. ; Yen, A. ; Zipfel, J. / Basaltic rocks analyzed by the Spirit rover in Gusev crater. In: Science. 2004 ; Vol. 305, No. 5685. pp. 842-845.
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AU - Rieder, R.

AU - Ruff, Steven

AU - De Souza, P. A.

AU - Squyres, S. W.

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