This is a followup to Bob's comments in reference to guessing the types of terrestrial rock we've seen lately on the list. By the way, I love some of earth's finest rocks...so I do not look down at them at all...but they are not from other planets/sources.
The site below has a list of over 1200 different rocks...staggering to think about. http://www.georeferenceonline.com/MineMatch/images/BGSRocks.htm John ----- Original Message ----- From: "Robert Verish" <[EMAIL PROTECTED]> To: "Meteorite-list Meteoritecentral" <[EMAIL PROTECTED]> Sent: Thursday, January 16, 2003 2:40 PM Subject: [meteorite-list] Terrestrial rock guessing > 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/HelpSubjectGuidesEarthSciGlos sary?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 > ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
