Ancient eroded layered craters Long/lat : (ranked by distance from ellipse center) 1-341.06E, 24.05N 2-341.07E, 24.01N 3-340.96E, 23.98N 4-340.98E, 23.86N 5-340.94E, 23.86N 6-340.84E, 24.04N 7-341.20E, 23.88N 8-341.22E, 23.89N 9-341.14E, 24.12N 10-341.16E, 24.16N 11-341.18E, 24.17N 12-240.77E, 24.06N 13-340.75E, 24.06N 14 -340.98E, 23.76N 15- 341.01E, 23.75N 16- 340.79E, 23.98N The objective will not be to drive to all of them, but to target the closest to the actual landing site, and possibly some other(s) on the way to other targets. 2 1 3 4 5 6 7 8 9 10 11 12 13 Rational: Eroded craters give a particular access to subsurface layers in a layered unit, as the rover Opportunity showed. Morphology & mineralogy: Even if here we have direct access everywhere to the layered rocks, gentle craters walls will provide good access to many layers in short distances. We tried to select craters whose walls give access to layers of different compositions as seen with NIR spectral CRISM data, and on the HiRISE and HRSC color images. MSL tasks: At large scale, study the layering of the two sub-units, the transition HRSC mosaic with HRSC nadir & color images 15 14 16
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Ancient eroded layered craters Long/lat : (ranked by distance from ellipse center)
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The objective will not be to drive to all of them, but to target the closest to the actual landing site, and possibly some other(s) on the way to other targets.
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Rational: Eroded craters give a particular access to subsurface layers in a layered unit, as the rover Opportunity showed.Morphology & mineralogy: Even if here we have direct access everywhere to the layered rocks, gentle craters walls will provide good access to many layers in short distances. We tried to select craters whose walls give access to layers of different compositions as seen with NIR spectral CRISM data, and on the HiRISE and HRSC color images.MSL tasks: At large scale, study the layering of the two sub-units, the transition from one to the other. At small scale, study the layering, the grain structure, the mineralogy and chemistry of the rocks and the variations from one to the other sub-unit and within in each sub-unit. Moreover the effects of the crater impacts on the rocks will be studied.
HRSC mosaic with HRSC nadir & color images
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1-341.06E, 24.05N2-341.07E, 24.01NClose to the center of the ellipse#1 is smaller but excavates deeper layers.