Evidence from opportunity's microscopic imager for water on Meridiani Planum

K. E. Herkenhoff; S. W. Squyres; R. Arvidson; D. S. Bass; J. F. Bell; P. Bertelsen; B. L. Ehlmann; W. Farrand; L. Gaddis; R. Greeley; J. Grotzinger; A. G. Hayes; S. F. Hviid; J. R. Johnson; B. Jolliff; K. M. Kinch; A. H. Knoll; M. B. Madsen; J. N. Maki; S. M. McLennan; H. Y. McSween; D. W. Ming; J. W. Rice; L. Richter; M. Sims; P. H. Smith; L. A. Soderblom; N. Spanovich; R. Sullivan; S. Thompson; T. Wdowiak; C. Weitz; P. Whelley

doi:10.1126/science.1105286

Evidence from opportunity's microscopic imager for water on Meridiani Planum

K. E. Herkenhoff, S. W. Squyres, R. Arvidson, D. S. Bass, J. F. Bell, P. Bertelsen, B. L. Ehlmann, W. Farrand, L. Gaddis, R. Greeley, J. Grotzinger, A. G. Hayes, S. F. Hviid, J. R. Johnson, B. Jolliff, K. M. Kinch, A. H. Knoll, M. B. Madsen, J. N. Maki, S. M. McLennanH. Y. McSween, D. W. Ming, J. W. Rice, L. Richter, M. Sims, P. H. Smith, L. A. Soderblom, N. Spanovich, R. Sullivan, S. Thompson, T. Wdowiak, C. Weitz, P. Whelley

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Abstract

The Microscopic Imager on the Opportunity rover analyzed textures of soils and rocks at Meridiani Planum at a scale of 31 micrometers per pixel. The uppermost millimeter of some soils is weakly cemented, whereas other soils show little evidence of cohesion. Rock outcrops are laminated on a millimeter scale; image mosaics of cross-stratification suggest that some sediments were deposited by flowing water. Vugs in some outcrop faces are probably molds formed by dissolution of relatively soluble minerals during diagenesis. Microscopic images support the hypothesis that hematite-rich spherules observed in outcrops and soils also formed diagenetically as concretions.

Original language	English (US)
Pages (from-to)	1727-1730
Number of pages	4
Journal	Science
Volume	306
Issue number	5702
DOIs	https://doi.org/10.1126/science.1105286
State	Published - Dec 3 2004
Externally published	Yes

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Herkenhoff, K. E., Squyres, S. W., Arvidson, R., Bass, D. S., Bell, J. F., Bertelsen, P., Ehlmann, B. L., Farrand, W., Gaddis, L., Greeley, R., Grotzinger, J., Hayes, A. G., Hviid, S. F., Johnson, J. R., Jolliff, B., Kinch, K. M., Knoll, A. H., Madsen, M. B., Maki, J. N., ... Whelley, P. (2004). Evidence from opportunity's microscopic imager for water on Meridiani Planum. Science, 306(5702), 1727-1730. https://doi.org/10.1126/science.1105286

Herkenhoff, KE, Squyres, SW, Arvidson, R, Bass, DS, Bell, JF, Bertelsen, P, Ehlmann, BL, Farrand, W, Gaddis, L, Greeley, R, Grotzinger, J, Hayes, AG, Hviid, SF, Johnson, JR, Jolliff, B, Kinch, KM, Knoll, AH, Madsen, MB, Maki, JN, McLennan, SM, McSween, HY, Ming, DW, Rice, JW, Richter, L, Sims, M, Smith, PH, Soderblom, LA, Spanovich, N, Sullivan, R, Thompson, S, Wdowiak, T, Weitz, C & Whelley, P 2004, 'Evidence from opportunity's microscopic imager for water on Meridiani Planum', Science, vol. 306, no. 5702, pp. 1727-1730. https://doi.org/10.1126/science.1105286

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abstract = "The Microscopic Imager on the Opportunity rover analyzed textures of soils and rocks at Meridiani Planum at a scale of 31 micrometers per pixel. The uppermost millimeter of some soils is weakly cemented, whereas other soils show little evidence of cohesion. Rock outcrops are laminated on a millimeter scale; image mosaics of cross-stratification suggest that some sediments were deposited by flowing water. Vugs in some outcrop faces are probably molds formed by dissolution of relatively soluble minerals during diagenesis. Microscopic images support the hypothesis that hematite-rich spherules observed in outcrops and soils also formed diagenetically as concretions.",

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AU - Squyres, S. W.

AU - Arvidson, R.

AU - Bass, D. S.

AU - Bell, J. F.

AU - Bertelsen, P.

AU - Ehlmann, B. L.

AU - Farrand, W.

AU - Gaddis, L.

AU - Greeley, R.

AU - Grotzinger, J.

AU - Hayes, A. G.

AU - Hviid, S. F.

AU - Johnson, J. R.

AU - Jolliff, B.

AU - Kinch, K. M.

AU - Knoll, A. H.

AU - Madsen, M. B.

AU - Maki, J. N.

AU - McLennan, S. M.

AU - McSween, H. Y.

AU - Ming, D. W.

AU - Rice, J. W.

AU - Richter, L.

AU - Sims, M.

AU - Smith, P. H.

AU - Soderblom, L. A.

AU - Spanovich, N.

AU - Sullivan, R.

AU - Thompson, S.

AU - Wdowiak, T.

AU - Weitz, C.

AU - Whelley, P.

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Evidence from opportunity's microscopic imager for water on Meridiani Planum

Abstract

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