[meteorite-list] List of meteorites from Vesta?

From: Jeff Kuyken <info_at_meteoritecentral.com>
Date: Fri, 8 Apr 2011 19:05:30 +1000
Message-ID: <F60B5D82F2224AE092DF68F3E972DC2A_at_JeffPC>

I've recently studied up on Olivine Diogenites and Dunites and collated the
info from all the papers I could find. So further to Jason's info below, I
also found that a general rule of thumb is that Olivine Diogenites have an
olivine content of >40% while Dunites have an olivine content of >90%.

Cheers,

Jeff


----- Original Message -----
From: "Jason Utas" <meteoritekid at gmail.com>
To: "Meteorite-list" <meteorite-list at meteoritecentral.com>
Sent: Thursday, April 07, 2011 6:20 PM
Subject: Re: [meteorite-list] List of meteorites from Vesta?


Hello All,
A dunite is a type of ultramafic rock composed of olivine. It is
associated with conditions/an origin in the (upper) mantle of a
differentiated body (not just Earth). They form at greater depths
than one would find any significant amount of orthopyroxene, and are
composed primarily of olivine (which is a denser mineral). "Olivine
diogenites" are technically dunites from 4-Vesta; Chassigny is a
Martian dunite.

http://en.wikipedia.org/wiki/Dunite

Regards,
Jason



On Thu, Apr 7, 2011 at 12:33 AM, Greg Catterton
<star_wars_collector at yahoo.com> wrote:
> Dunite is the "Earth version" of Tatahouine.
>
> Greg Catterton
> www.wanderingstarmeteorites.com
> IMCA member 4682
> On Ebay: http://stores.shop.ebay.com/wanderingstarmeteorites
> On Facebook: http://www.facebook.com/WanderingStarMeteorites
>
>
> --- On Thu, 4/7/11, tracy latimer <daistiho at hotmail.com> wrote:
>
>> From: tracy latimer <daistiho at hotmail.com>
>> Subject: Re: [meteorite-list] List of meteorites from Vesta?
>> To:
>> Cc: meteorite-list at meteoritecentral.com
>> Date: Thursday, April 7, 2011, 3:31 AM
>>
>> I had thought that dunites were Martian, like Chassigny.
>> Have dunites been identified from other sources?
>>
>> Best!
>> Tracy Latimer
>>
>> ----------------------------------------
>> > Date: Wed, 6 Apr 2011 22:58:02 -0400
>> > From: meteoritemike at gmail.com
>> > To: fips_bruno at yahoo.de
>> > CC: meteorite-list at meteoritecentral.com
>> > Subject: Re: [meteorite-list] List of meteorites from
>> Vesta?
>> >
>> > 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
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>> >
>> -----------------------------------------------------------------------
>> >
>> > On 4/6/11, Regine Petersen wrote:
>> > > Hi all,
>> > >
>> > > Is there a list of assumed Vesta meteorites?
>> > >
>> > > Regine
>> > > ______________________________________________
>> > > Visit the Archives at
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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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Received on Fri 08 Apr 2011 05:05:30 AM PDT