Chemical reaction path modeling of hydrothermal processes on Mars: Preliminary results

Details Chemical reaction path modeling of hydrothermal processes on Mars: Preliminary results Chemical reaction path modeling of hydrothermal processes on Mars: Preliminary results

Dec 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992msat.work..118p&link_type=abstract

In Lunar and Planetary Inst., Workshop on the Martian Surface and Atmosphere Through Time p 118-119 (SEE N92-28988 19-91)

Other

Chemical Reactions, Geomorphology, Hydrothermal Systems, Impact Melts, Mars Surface, Meteorite Craters, Breccia, Landforms, Montmorillonite, Planetary Geology, Soils

Scientific paper

Hydrothermal processes are thought to have had significant roles in the development of surficial mineralogies and morphological features on Mars. For example, a significant proportion of the Martian soil could consist of the erosional products of hydrothermally altered impact melt sheets. In this model, impact-driven, vapor-dominated hydrothermal systems hydrothermally altered the surrounding rocks and transported volatiles such as S and Cl to the surface. Further support for impact-driven hydrothermal alteration on Mars was provided by studies of the Ries crater, Germany, where suevite deposits were extensively altered to montmorillonite clays by inferred low-temperature (100-130 C) hydrothermal fluids. It was also suggested that surface outflow from both impact-driven and volcano-driven hydrothermal systems could generate the valley networks, thereby eliminating the need for an early warm wet climate. We use computer-driven chemical reaction path calculation to model chemical processes which were likely associated with postulated Martian hydrothermal systems.

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