Fluid Inclusions in Allan Hills 84001 and Other Martian Meteorites: Evidence for Volatiles on Mars

Details Fluid Inclusions in Allan Hills 84001 and Other Martian Meteorites: Evidence for Volatiles on Mars Fluid Inclusions in Allan Hills 84001 and Other Martian Meteorites: Evidence for Volatiles on Mars

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mmws.work....3b&link_type=abstract

Workshop on the Issue Martian Meteorites: Where do we Stand and Where are we Going?, p. 3

Computer Science

1

Mars Atmosphere, Meteorites, Snc Meteorites, Inclusions, Mars Surface, Planetary Geology, Meteoritic Composition, Magma, Carbon Dioxide, Pyroxenes

Scientific paper

The important role that volatiles play in planetary evolution is well known. On Earth, volatiles have and continue to play key roles in the development and properties of the crust, hydrosphere, and atmosphere. More recently, the recognition that the mantle contains small but ubiquitous quantities of volatile components has led to an improved understanding of mantle rheology and chemistry and the recycling of volatiles in the Earth system. And, of course, volatiles, especially water, are considered to be a prerequisite for the origin and evolution of life as we know it. The recent announcement that evidence for life had been discovered in the ALH 84001 martian meteorite combined with the highly successful Mars Pathfinder Mission has led to renewed interest in the geochemical evolution of Mars. Much of the scientific effort in this area has been devoted to characterizing the volatiles present in the SNC meteorites and, by inference, the volatiles present on Mars when the rocks formed. Here, the occurrence of "free" volatiles (i.e., volatiles occurring in the fluid state, and not as minor components of minerals and/or glasses) in the ALH 84001 and Nakhla meteorites is reported, along with possible implications.

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