Hi Paul - Interesting links, but as we now know, volcanism and impact are not necessarily unrelated. See the recent work on the Shiva impact for more on this. Ed ______________________________________________ Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list