[meteorite-list] question about olivine diogenites

From: Kieron Heard <kieron.heard_at_meteoritecentral.com>
Date: Fri, 11 Jun 2010 17:51:11 +0100
Message-ID: <NDEIIIDBJLODKDEGFPMIOEHLCOAA.kieron.heard_at_ukonline.co.uk>

Thanks for your replies chaps but I am still mystified. I accept that NWA
1459 is another example of an olivine diogenite, but why then is its
recommended classification in the MetBull Database simply 'diogenite' and
not 'diogenite-olivine'?


Regards, Kieron



-----Original Message-----
From: Greg Hupe [mailto:gmhupe at htn.net]
Sent: 11 June 2010 17:30
To: Greg Stanley; kieron.heard at ukonline.co.uk;
meteorite-list at meteoritecentral.com
Subject: Re: [meteorite-list] question about olivine diogenites


Hello Kieron, GregS and List,

The first recognized Olivine Diogenite was NWA 1459, then came along NWA
1877(w/ pairing 5603, and others), then NWA 5480 (and pairings). I am not
familiar with GRA 98108.

Hope this helps.

Best regards,
Greg

====================
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The Hupe Collection
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----- Original Message -----
From: "Greg Stanley" <stanleygregr at hotmail.com>
To: <kieron.heard at ukonline.co.uk>; <meteorite-list at meteoritecentral.com>
Sent: Friday, June 11, 2010 12:13 PM
Subject: Re: [meteorite-list] question about olivine diogenites


>
> List:
>
> Is not NWA 5480 an olivine diogenite too?
>
> Greg S.
>
> ----------------------------------------
>> From: kieron.heard at ukonline.co.uk
>> To: meteorite-list at meteoritecentral.com
>> Date: Fri, 11 Jun 2010 10:13:49 +0100
>> Subject: [meteorite-list] question about olivine diogenites
>>
>> Hi Folks,
>>
>> I wonder if anyone can offer some advice? I am pleased to have obtained a
>> sample of NWA 6149 (prov) - an olivine diogenite. This prompted me to do
>> some research on the MetBull Database, and I see that there are only
>> three
>> meteorites that are classified there as 'olivine diogenites' (MIL 07001,
>> NWA
>> 5603 and NWA 6157). Other stones that have in the past been described as
>> olivine diogenites (such as GRA 98108 and NWA 1459) have recommended
>> classifications of 'diogenite', despite seeming to have a significant
>> olivine content.
>>
>> So my question is, What is the requirement for a meteorite to be recorded
>> in
>> the database as as 'olivine diogenite'?
>>
>> Thanks in advance for any information.
>>
>>
>> Regards, Kieron
>>
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Received on Fri 11 Jun 2010 12:51:11 PM PDT