Mathematics – Logic
Scientific paper
Apr 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003eaeja....12058m&link_type=abstract
EGS - AGU - EUG Joint Assembly, Abstracts from the meeting held in Nice, France, 6 - 11 April 2003, abstract #12058
Mathematics
Logic
Scientific paper
It is expected from future Mars missions to bring back a substantial amount of additional compositional data. In particular, the ESA Mars Express spacecraft will return unprecedented stereo images, multi-/hyper-spectral visible/near-infrared data sets, and UV-infrared spectra. These will be acquired and delivered by the HRSC, OMEGA, PFS and SPICAM instruments, with better spatial and/or spectral coverage than previous Mars missions. Detailed investigations of the multispectral and hyperspectral data sets to be returned by HRSC and OMEGA, using additional correlation with complementary spectroscopic data from PFS and SPICAM, will be performed to address the following key issues. (i) the quantitative constraint of the physical/chemical composition and mineralogy of rocks and soils. (ii) the potential genetic connection between rock coatings and surface/airborne fines. (iii) the extent of the control of mixing on the observed composition of soils and rocks. (iv) the controlling role of weathering or other alteration processes in the physical modification or the chemical composition of the surface materials. (v) the evolutionary stages of the sedimentary (or other) geologic processes that created and modified rocks and soils. Data sets acquired in situ at the selected Beagle-2 landing site in Isidis Planitia (90.75 E, 11.6 N) or at the MER landing sites will be used as independent ground truth to the interpretations made at regional scale. The interpretation of the analyses of both OMEGA and HRSC data sets will confirm, complement or challenge the latest results from Mars Global Surveyor and/or Mars Odyssey dealing with, e.g., rock composition variations of the volcanic surface materials, the occurrence of aqueous mineralization, or the detection of crystalline hematite in sedimentary rock formations.
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