Here's an interesting excerpt from John McPhee's book "Annals of the Former World" that relates to petrology and terminology:
http://athena.uwindsor.ca/units/leddy/2002.nsf/HelpSubjectGuidesEarthSciGlossary?OpenForm And to see how each of these various rock types relate to each other, take a look at this diagram: http://www.southalabama.edu/geography/allison/gy343/IUGS_Q_A_P.pdf If you would make this diagram into a dart-board and then pick a rock type by throwing a dart at this board, you would have a better than even chance of coming up with the "correct" rock type. ;-) BOb V. __________________________________________________ Do you Yahoo!? New DSL Internet Access from SBC & Yahoo! http://sbc.yahoo.com ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
