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  • Title: Textures of the soils and rocks at Gusev Crater from Spirit's Microscopic Imager.
    Author: Herkenhoff KE, Squyres SW, Arvidson R, Bass DS, Bell JF, Bertelsen P, Cabrol NA, Gaddis L, Hayes AG, Hviid SF, Johnson JR, Kinch KM, Madsen MB, Maki JN, McLennan SM, McSween HY, Rice JW, Sims M, Smith PH, Soderblom LA, Spanovich N, Sullivan R, Wang A.
    Journal: Science; 2004 Aug 06; 305(5685):824-6. PubMed ID: 15297663.
    Abstract:
    The Microscopic Imager on the Spirit rover analyzed the textures of the soil and rocks at Gusev crater on Mars at a resolution of 100 micrometers. Weakly bound agglomerates of dust are present in the soil near the Columbia Memorial Station. Some of the brushed or abraded rock surfaces show igneous textures and evidence for alteration rinds, coatings, and veins consistent with secondary mineralization. The rock textures are consistent with a volcanic origin and subsequent alteration and/or weathering by impact events, wind, and possibly water.
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