> Anyone have any thoughts regarding the nature > of the vesicular clasts in the lunar Dho 025?
> The clasts themselves are a couple of mm across > and contain numerous little bubbles / vesicles. > I was wondering where the vesicles come from, > what gases were trapped and so on.... ! These melt pockets indicate intense shock after compaction by an impact event on the Moon. You are probably looking at melt glass (shock-melted plagioclase, anorthite and maybe silica glass) and the gases that were trapped are probably noble gases (not sure with regard to the noble gases). Best wishes, Bernd ______________________________________________ Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
