[meteorite-list] impact melts and mesosiderites
From: John Divelbiss <j.divelbiss_at_meteoritecentral.com>
Date: Thu Apr 22 09:52:24 2004 Message-ID: <000801c24ef5$e4593200$83085a0c_at_0m824> This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C24ED4.5C3B0400 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hello all, I want to ask the group their opinion on whether they agree with the = latest book from Norton that places mesosiderites in the achondrite = section, rather than the stony-iron section of the book. As I understand = it, he "suggests" that mesosiderites are merely impact melts of the = howardite/eucrite parent body with an iron body. Similar to H and L = impact melts. Personally, I agree with this concept after comparing Chico (L6 IMB), = Sahara 98362 (H6 IMB) and the new Gao (b) (H5? IMB) with slices of = mesosiderites Vaca Muerta and Ethersville.=20 Vaca Muerta looks like the H and L IMB's, while the Ethersville I have = has larger pockets of metal than the others...but similar to some of = "normal" Gao I have. Will mesosiderites one day be renamed Howardite impact melts or Eucrite = impact melts? I may be going too fast here, but the suggestion in the Norton book = leads a novice like me down that path. Wondering??? John Divelbiss Reading, PA IMCA 2006 =20 ------=_NextPart_000_0005_01C24ED4.5C3B0400 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3D"text/html; charset=3Diso-8859-1" = http-equiv=3DContent-Type> <META content=3D"MSHTML 5.00.3314.2100" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT size=3D2>Hello all,</FONT></DIV> <DIV> </DIV> <DIV><FONT size=3D2>I want to ask the group their opinion on whether = they agree=20 with the latest book from Norton that places mesosiderites in the = achondrite=20 section, rather than the stony-iron section of the book. As I understand = it, he=20 "suggests" that mesosiderites are merely impact melts of the = howardite/eucrite=20 parent body with an iron body. Similar to H and L impact = melts.</FONT></DIV> <DIV> </DIV> <DIV><FONT size=3D2>Personally, I agree with this concept after=20 comparing Chico (L6 IMB), Sahara 98362 (H6 IMB) and the new = Gao (b)=20 (H5? IMB) with slices of mesosiderites Vaca Muerta and=20 Ethersville. </FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Vaca Muerta looks like the H and L IMB's, while the=20 Ethersville I have has larger pockets of metal than the others...but = similar to=20 some of "normal" Gao I have.</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Will mesosiderites one day be renamed=20 Howardite impact melts or Eucrite impact melts?</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>I may be going too fast here, but the suggestion in = the Norton=20 book leads a novice like me down that path.</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>Wondering???</FONT></DIV> <DIV><FONT size=3D2></FONT> </DIV> <DIV><FONT size=3D2>John Divelbiss</FONT></DIV> <DIV><FONT size=3D2>Reading, PA</FONT></DIV> <DIV><FONT size=3D2>IMCA 2006 = </FONT></DIV></BODY></HTML> ------=_NextPart_000_0005_01C24ED4.5C3B0400-- Received on Wed 28 Aug 2002 08:49:10 PM PDT |
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