Hello List Members, I am betting that NWA 998 has a different ejection date and crystallization age than the other five Nakhlites. The isotope data is proving to be very interesting and was announced at the 65th Meteoritical Society meeting.
All the best, Adam ----- Original Message ----- From: "Bernd Pauli HD" <[EMAIL PROTECTED]> To: "Meteorite List" <[EMAIL PROTECTED]> Sent: Saturday, January 18, 2003 1:42 PM Subject: [meteorite-list] Martian Ejection Ages > Hello Fellow Martians, > > Here are some ejection ages of > martian meteorites. Enjoy and ponder :-) > > Regards, > > Bernd > > > TABLE 6. Ejection ages (Tej) of martian meteorites > > Meteorite Type Tej (Ma) > > Elephant Moraine A79001 Shergottite 0.73 � 0.15 > SaU 005/094 Shergottite 1.2 � 0.3 > DaG 476/489/670/735/876 Shergottite 1.24 � 0.12 > NWA 480 Shergottite 2.4 � 0.3 > QUE 94201 Shergottite 2.8 � 0.3 > Shergotty Shergottite 3.0 � 0.3 > LA Shergottite 3.0 � 0.3 > Zagami Shergottite 3.0 � 0.3 > ALHA77005 Lherzolite 3.8 � 0.7 > LEW 88516 Lherzolite 3.9 � 0.4 > Y 793605 Lherzolite 4.7 � 0.5 > NWA 817 Nakhlite 9.7 � 1.1 > Governador Valadares Nakhlite 10.0 � 2.10 > Nakhla Nakhlite 10.8 � 0.80 > Lafayette Nakhlite 11.9 � 2.20 > Chassigny Dunite 11.1 � 1.60 > ALH 84001 Orthopyroxenite 14.7 � 0.90 > Dho 019 Shergottite 19.8 � 2.30 > > Reference: > > EUGSTER O. et al. (2002) Ejection ages from 81Kr-83Kr > dating and pre-atmospheric sizes of martian meteorites > (MAPS 37-10, 2002, 1345-1360). > > ______________________________________________ > 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
