Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite

Details Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite

Mar 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993metic..28...86t&link_type=abstract

Meteoritics (ISSN 0026-1114), vol. 28, no. 1, p. 86-97.

Computer Science

109

Geochemistry, Meteorites, Meteoritic Composition, Nakhlites, Petrology, Electron Microscopy, Igneous Rocks, Mars (Planet), Mineralogy, Weathering, Meteorites, Aqueous Alteration, Lafayette, Snc Meteorites, Nakhlite, Stony Meteorites, Achondrites, Samples, Meteorite, Laboratory Studies, Description, Electron Microscopy, Sem, Tem, Origin, Formation, Mars, Minerals, Smectite, Texture, Composition, Water, Crust, Chemistry, Procedure, Petrography, Mineralogy, Veinlets, Fusion Crust, Oxidation, Transport, Tempera

Scientific paper

The structure and chemical composition of the Lafayette meteorite were examined using several methods. The meteorite contains abundant hydrous post-magnetic alteration material consisting of ferroan smectite clays, magnetite, and ferrihydrite. The textural relations, mineralogy, and composition of these materials were examined and their preterrestrial nature was documented. Olivine, pyroxene, and glass alteration are described and the bulk compositions of the alteration veinlets is discussed. Essential features of the geochemistry of the alteration processes are described. It is suggested that the alteration of the Lafayette meteorite occurred during episodic infiltrations of small volumes of saline water. Constraints placed on water chemistry and water-rock interactions in the Martian crust are outlined.

Affiliated with

Also associated with

No associations

Rating

Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preterrestrial aqueous alteration of the Lafayette (SNC) meteorite will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-1705412