[meteorite-list] Interrogation: announcement of new type basaltic meteorite in 'Science'
From: vincent jacques <meteorh3_6_at_meteoritecentral.com>
Date: Thu Apr 22 09:50:26 2004 Message-ID: <F202vRnfvcySa4k3z6Q000003d4_at_hotmail.com> <html><div style='background-color:'><DIV> <P> </P> <P class=MsoNormal><SPAN lang=EN-GB style="mso-ansi-language: EN-GB">Hello All, </SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="mso-ansi-language: EN-GB"></SPAN><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">It is a very important discovery !! I'm inspired by many interrogations: </SPAN><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">Each collector possede <SPAN style="mso-spacerun: yes"> </SPAN>pallasites and iron meteorites in his collection. <SPAN style="mso-spacerun: yes"> </SPAN>We know several achondrites types and the most <SPAN style="mso-spacerun: yes"> </SPAN>common (HED) would come from Vesta... </SPAN><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB">If <SPAN style="mso-spacerun: yes"> </SPAN>iron meteorites come from the heart of larges asteroids and pallasites from the <SPAN style="mso-spacerun: yes"> </SPAN>next layer, where are the rocks which constituted mantle rock of these asteroids? Would be it also achond rites? How made difference with <SPAN style="mso-spacerun: yes"> </SPAN>real HED from Vesta? </SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT face="Times New Roman">"<EM>Palme, in his News & Views item in the same issue of Science, </EM></FONT><EM>suggests the option that it is a basalt from the planet Mercury. Below the abstract of the Yamaguchi et al. paper</EM>." Wich is our knowledge about the Mercury rocks? How to identify a probable Mercurian meteorite among others planetary meteorites? <SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: FR; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt">Which ejection<SPAN style="mso-spacerun: yes"> </SPAN>speed will must have an Mercury rock , for not be<SPAN style="mso-spacerun: yes"> </SPAN>collected by the solar attraction and <SPAN style="mso-spacerun: yes"> </SPAN>" to go up " the Solar System towards the Earth?</SPA N></SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><SPAN lang=EN-GB style="FONT-SIZE: 10pt; FONT-FAMILY: Arial; mso-ansi-language: EN-GB; mso-fareast-font-family: 'Times New Roman'; mso-fareast-language: FR; mso-bidi-language: AR-SA; mso-bidi-font-size: 12.0pt"></SPAN></SPAN><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT size=2>Whats your ideas? </FONT></SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT size=2>Best wishes</FONT></SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><FONT size=2>Vincent</FONT></SPAN></P> <P class=MsoNormal><SPAN lang=EN-GB style="FONT-FAMILY: Arial; mso-ansi-language: EN-GB"><?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p></o:p></SPAN> </P> <P><BR><BR></P></DIV> <DIV></DIV> <DIV></DIV>>From: Bernd Pauli HD <BERND.PAULI_at_LEHRER1.RZ.UNI-KARLSRUHE.DE> <DIV></DIV>>To: marco.langbroek_at_wanadoo.nl <DIV></DIV>>CC: meteorite-list_at_meteoritecentral.com <DIV></DIV>>Subject: Re: [meteorite-list] announcement of new type basaltic meteorite in 'Science' <DIV></DIV>>Date: Fri, 12 Apr 2002 17:18:54 +0200 <DIV></DIV>> <DIV></DIV>>marco.langbroek_at_wanadoo.nl wrote: <DIV></DIV>> <DIV></DIV>> > A very interesting paper in SCIENCE today. A team of Japanese and American <DIV></DIV>> > scientists has investigated the basaltic meteorite NWA 011, and discovered that <DIV></DIV>> > this meteorite resembles an Eucrite but is different in some aspects, most <DIV></DIV>> > notably the Oxygen Isotope composition. While Eucrite origins are linked with <DIV></DIV>> > asteroid 4 Vesta, their results suggest that NWA 011 must be from another <DIV></DIV>> > parent body. Palme, in his News & Views item in the same issue of Science, <DIV></DIV>> > suggests the option that it is a basalt from the planet Mercury. Below the <DIV></DIV>> > abstract of the Yamaguchi et al. paper. <DIV></DIV>> <DIV></DIV>>See also: <DIV></DIV>> <DIV></DIV>>AFANASIEV S.V. et al. (2000) Dhofar 007 and Northwest Africa 011: <DIV></DIV>>Two new eucrites of different types (MAPS 35-5, Suppl., 2000, A019): <DIV></DIV>> <DIV></DIV>>Here we report data received by studying two new eucrites, Dhofar 007 <DIV></DIV>>from the Oman desert and NWA 011 from the Sahara desert. Based on <DIV></DIV>>chemical, petrologic, and mineralogical analyses they are classified as <DIV></DIV>>cumulate (Dhofar 007) and noncumulate (NWA 011). <DIV></DIV>> <DIV></DIV>>Best regards, <DIV></DIV>> <DIV></DIV>>Bernd <DIV></DIV>> <DIV></DIV>>______________________________________________ <DIV></DIV>>Meteorite-list mailing list <DIV></DIV>>Meteorite-list_at_meteoritecentral.com <DIV></DIV>>http://www.pairlist.net/mailman/listinfo/meteorite-list <DIV></DIV></div><br clear=all><hr>Téléchargez MSN Explorer gratuitement à l'adresse <a href='http://g.msn.com/1HM508001/w'>http://explorer.msn.fr/intl.asp</a>.<br></html> Received on Fri 12 Apr 2002 04:52:55 PM PDT |
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