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Joint Photographic Experts Group Image  |  1997-09-07  |  84KB  |  828x497  |  8-bit (98 colors)
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OCR: Analysis of Martian Samples by the APX-Spectrometer First Preliminary Results from X-ray Data and Comparison with SNC' and the Earth MARS EARTH A-3, Rock A-5, Soil SNC's Continental Crust Oceanic Crust "Barnacle Bill' average Sediments weight- % weight % weight- % weight weight- % weight % Mgo 3.1 8.6 9.3 31.6 3.1 3.1 7.7 A1203 10.1 12. 15 13.0 15. si02 55.0 43. 38 52.7 60 50.0 50.7 K20 0.7 0.022 0.19 0.17 Cao 0. 15 11. TiO2 0.7 0.1 0.7 0.7 Mno 0.E 04 0.55 0.1 0.1 0.16 FeO 2 17. 17.6 FeO/MnO 37.0 Values forK and Mn are probably too high and subiect to revision after further analysis Ti02 probabk