An assessment of the meteoritic contribution to the Martian soil

Details An assessment of the meteoritic contribution to the Martian soil An assessment of the meteoritic contribution to the Martian soil

Aug 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990jgr....9514497f&link_type=abstract

(American Geophysical Union and Geological Society of America, International Conference on Mars, 4th, Tucson, AZ, Jan. 10-13, 19

Mathematics

Logic

61

Atmospheric Density, Atmospheric Entry, Mars Surface, Meteoritic Composition, Soils, Chemical Composition, Lunar Surface, X Ray Fluorescence

Scientific paper

The flux of meteoritic material at Mars was assessed and the perturbations to the indigenous soil produced by the addition of meteoritic material to the Martian soil was determined. Using the measured mass influx at earth and the estimates of the Mars/earth flux ratio, the planet-wide mateoritic mass influx on Mars was found to be between 2700 and 59,000 t/yr. Assuming a uniform distribution into a soil with a mean planetary production rate of 1 m/b.y., it is estimated that this mass influx would produce a meteoritic concentration in the Mars soil ranging from 2 to 29 percent by mass. Experimental measurements which a Mars lander spacecraft could make to determine the fraction of meteoritic material in the soils are suggested.

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