[meteorite-list] List of meteorites from Vesta?

From: John.L.Cabassi <*John_at_meteoritecentral.com*> Date: Thu, 7 Apr 2011 19:15:53 -0700 Message-ID: <6E11C9278D3A404A86BD2CF252E3E316_at_anitak9bz49jy2> · John_at_meteoritecentral.com

--
Richard Kowalski
Full Moon Photography
IMCA #1081
--- On Thu, 4/7/11, Michael Gilmer <meteoritemike at gmail.com> wrote:
> From: Michael Gilmer <meteoritemike at gmail.com>
> Subject: Re: [meteorite-list] List of meteorites from Vesta?
> To: lebofsky at lpl.arizona.edu
> Cc: meteorite-list at meteoritecentral.com, "Shawn Alan" 
> <photophlow at yahoo.com>
> Date: Thursday, April 7, 2011, 6:14 PM
> Hi Larry and List,
> 
> I stand corrected.? We don't have a smoking gun, but
> we do have a
> smoking crater on Vesta.? :)
> 
> I didn't mean to imply that the origin of HEDs was still in doubt.
> But rather, just to point out that the Vestan origin is a
> theory, like
> relativity or evolution.? We *know* them to be true,
> and we can
> produce evidence that supports the theory, but is the
> Vesta-HED
> connection as sure as the lunar or martian meteorite
> connection?
> 
> We have moon rocks brought back by Apollo astronauts to compare
> first-hand with lunar meteorites.? We have atmospheric
> data from
> Sojourner that we can compare directly with trapped gas in
> Martian
> meteorites.? Those two connections are rock solid, pun
> intended.
> 
> With Vesta, we have spectral analysis and a host of other convincing
> data (as Larry pointed out), but do we have the kind of
> solid evidence
> needed to rule out all other possible parent bodies?
> 
> I'm guess what I am asking here is this - are there any holdouts in
> the scientific community who are not convinced that HEDs
> are from
> Vesta?? And if so, will data from the Dawn mission
> finally push them
> into the "yes" camp?
> 
> It was my understanding that in the spectrum of parent body and
> meteorite matching, the Vesta connection was right below
> lunar and
> mars, but well above angrites and Mercury.
> 
> Best regards,
> 
> MikeG
> 
> ----------------------------------------------------------------------
> Mike Gilmer - Galactic Stone & Ironworks Meteorites
> 
> Website - http://www.galactic-stone.com
> Facebook - http://www.facebook.com/galacticstone
> News Feed - http://www.galactic-stone.com/rss/126516
> Twitter - http://twitter.com/galacticstone
> EOM - 
> http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
>
-----------------------------------------------------------------------
> 
> 
> 
> 
> On 4/7/11, lebofsky at lpl.arizona.edu <lebofsky at lpl.arizona.edu>
> wrote:
> > Hi Michael:
> >
> > Yes, there is a smoking gun and a trail of dust, too.
> >
> > Reflectance spectra of Vesta and areas of Vesta
> consistent with spectra of
> > HED meteorites and composition of HEDs.
> >
> > Big crater that could be the source of said
> meteorites.
> >
> > Vestoids in an area where asteroids can be tossed out
> of the asteroid belt
> > into Earth-crossing orbits.
> >
> > Vestoids IN Earth-crossing orbits. Short of a sample
> return, not sure what
> > more evidence you need (smoking gun but not a
> confession).
> >
> > Larry
> >
> >> Hi Shawn, Larry, and Expat Vestans,
> >>
> >> I included Dunite in my answer to Regine's
> question because I wanted
> >> to be "all inclusive".? Of course, the old
> axiom of "damned if you,
> >> damned if you don't" comes into play here.
> Had I left out Dunite,
> >> someone would have inevitably suggested it.
> Since I included it, the
> >> inevitable question of whether or not it actually
> belongs was brought
> >> up.? This highlights the uncertainty inherent
> in theorizing about
> >> other worlds that we lack first-hand knowledge
> of.
> >>
> >> Even the widely-accepted HED's are theoretically
> assigned to Vesta.
> >> There is no "smoking gun" yet that any meteorite
> originates from Vesta
> >> - at least that is my understanding of the HEDO
> group.? But, so much
> >> "circumstantial" evidence points to Vesta, that it
> is generally agreed
> >> upon to be the parent body of the HEDO
> group.? I don't think anyone is
> >> expecting the Dawn mission to disprove this
> theory.? Everyone expects
> >> Dawn to confirm what the circumstantial evidence
> has implied - that
> >> the HEDO group is truly Vestan.
> >>
> >> While olivine diogenite may not appear in the
> "official"
> >> classification tree, NWA 1877 is classified as
> "diogenite-an" (of
> >> which, there are only two approved as such).
> There other is Grosvenor
> >> Mountains 95555, which is described in the
> write-up as
> >> "diogenite-unique", but looks like an olivine
> diogenite.? Note, there
> >> is at least one possible pairing to NWA 1877
> floating around and NWA
> >> 6149 comes to mind.? (although the latter may
> not be officially paired
> >> yet)
> >>
> >> Note, NWA 6149 (and 5 others) are classified as
> "diogenite-olivine" -
> >> 3 of the others are NWA and one is
> Antarctic.???The earliest apparent
> >> classification for this type (that appears in the
> Bulletin) is NWA
> >> 5603. (2004)
> >>
> >> Best regards,
> >>
> >> MikeG
> >>
> >>
> ----------------------------------------------------------------------
> >> Mike Gilmer - Galactic Stone & Ironworks
> Meteorites
> >>
> >> Website - http://www.galactic-stone.com
> >> Facebook - http://www.facebook.com/galacticstone
> >> News Feed - http://www.galactic-stone.com/rss/126516
> >> Twitter - http://twitter.com/galacticstone
> >> EOM - 
> >> http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
> >>
> ----------------------------------------------------------------------
> -
> >>
> >> On 4/7/11, Shawn Alan <photophlow at yahoo.com>
> wrote:
> >>> Larry and Listerites
> >>>
> >>>
> >>> Thank you Larry for the links..... But I think
> my question is still
> >>> unanswered or it hasn't been directly spelled
> out, which I am that type
> >>> of
> >>> person that needs it all. I do not see
> Olivine diogenite, and Dunite on
> >>> the
> >>> classification menu on the Meteoritical
> Bulletin Database (MBD) which is
> >>> the
> >>> BIBLE of all bibles when it comes to
> classification of meteorites. So
> >>> what I
> >>> am gathering at this time is that these two
> classes or sub or non at
> >>> this
> >>> time are not recognized by the MBD as a
> classification. Am I right? If
> >>> it
> >>> was wouldn't it be listed on the MBD as one.
> So do this mean its a
> >>> subclass
> >>> or something else. I have heard from some that
> dunites are not a
> >>> meteorite
> >>> classification. I have to believe that
> statement could be true because I
> >>> don't see dunites coming up on the MDB
> classification menu or Olivine
> >>> diogenites. By chance who coined these quote
> un quote classifications
> >>> and
> >>> why haven't they been listed on the MBD. I
> find it odd, but again I
> >>>? have seen a few meteorites get these
> weird names or nick names to
> >>> create a
> >>> buzz.
> >>>
> >>> Shawn Alan
> >>> IMCA 1633
> >>> eBaystore
> >>> http://shop.ebay.com/photophlow/m.html
> >>>
> >>>
> >>>
> >>> --- On Thu, 4/7/11, lebofsky at lpl.arizona.edu
> <lebofsky at lpl.arizona.edu>
> >>> wrote:
> >>>
> >>>
> >>> From: lebofsky at lpl.arizona.edu
> <lebofsky at lpl.arizona.edu>
> >>> Subject: Re: [meteorite-list] List of
> meteorites from Vesta?
> >>> To: "Shawn Alan" <photophlow at yahoo.com>
> >>> Cc: fips_bruno at yahoo.de,
> meteorite-list at meteoritecentral.com
> >>> Date: Thursday, April 7, 2011, 5:40 AM
> >>>
> >>>
> >>> Hi Shawn:
> >>>
> >>> I do not think anyone responded to your
> question about olinive-bearing
> >>> diogenites.
> >>>
> >>> Here is a links to articles:
> >>>
> >>> http://www.lpi.usra.edu/meetings/lpsc2003/pdf/1502.pdf
> >>>
> >>> http://www.lpi.usra.edu/meetings/lpsc2008/pdf/1835.pdf
> >>>
> >>> Sorry, but have not been keeping up on the
> subject.
> >>>
> >>> Larry
> >>>
> >>>> Hello Mike, Regine, and Listers
> >>>>
> >>>> Regine there are 486 HED meteorites that
> are non Antarctica. Mike and
> >>>> Listers I have a question... I was trying
> to search for the other two
> >>>> HEDOD.... Olivine diogenite, and Dunites
> on the Meteoritical Bulletin
> >>>> Database and under class they do not have
> those listed. Am I missing
> >>>> something? Or am I overlooking the classes
> and I need glasses?
> >>>>
> >>>>
> >>>> Shawn Alan
> >>>> IMCA 1633
> >>>> eBaystore
> >>>> http://shop.ebay.com/photophlow/m.html
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> [meteorite-list] List of meteorites from
> Vesta?Michael Gilmer
> >>>> meteoritemike at gmail.com
> >>>> Wed Apr 6 22:58:02 EDT 2011
> >>>>
> >>>>
> >>>> Previous message: [meteorite-list] List of
> meteorites from Vesta?
> >>>> Next message: [meteorite-list] List of
> meteorites from Vesta?
> >>>> Messages sorted by: [ date ] [ thread ] [
> subject ] [ author ]
> >>>>
> >>>> Hi Regine,
> >>>>
> >>>> All HEDOD meteorites are assumed to be
> Vestan in origin - Howardite,
> >>>> Eucrite, Diogenite, Olivine diogenite, and
> Dunite. :)
> >>>>
> >>>> Best regards,
> >>>>
> >>>> MikeG
> >>>>
> >>>>
> ----------------------------------------------------------------------
> >>>> Mike Gilmer - Galactic Stone &
> Ironworks Meteorites
> >>>>
> >>>> Website - http://www.galactic-stone.com
> >>>> Facebook - http://www.facebook.com/galacticstone
> >>>> News Feed - http://www.galactic-stone.com/rss/126516
> >>>> Twitter - http://twitter.com/galacticstone
> >>>> EOM - 
> >>>> http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
> >>>>
> ----------------------------------------------------------------------
> -
> >>>>
> >>>> On 4/6/11, Regine Petersen <fips_bruno
> at yahoo.de> wrote:
> >>>>
> >>>>> Hi all,
> >>>>
> >>>>>
> >>>>
> >>>>> Is there a list of assumed Vesta
> meteorites?
> >>>>
> >>>>>
> >>>>
> >>>>> Regine
> >>>>
> >>>>>
> ______________________________________________
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> >>>>
> >>>>>
> >>>>
> >>>>
> >>>>
> >>>> --
> >>>>
> ----------------------------------------------------------------------
> >>>> Mike Gilmer - Galactic Stone &
> Ironworks Meteorites
> >>>>
> >>>> Website - http://www.galactic-stone.com
> >>>> Facebook - http://www.facebook.com/galacticstone
> >>>> News Feed - http://www.galactic-stone.com/rss/126516
> >>>> Twitter - http://twitter.com/galacticstone
> >>>> EOM - 
> >>>> http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
> >>>>
> ----------------------------------------------------------------------
> -
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
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> >>>
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> >>
> >>
> >> --
> >>
> >
> >
> >
> 
> 
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