[meteorite-list] Spade Versus Estacado

From: Michael L Blood <mlblood_at_meteoritecentral.com>
Date: Thu Apr 22 10:16:37 2004
Message-ID: <BB753322.A1C4%mlblood_at_cox.net>

Sorry Adam,
        I got mixed up with all that talk of 1000 NWA and only one
melt, etc.
        Michael

on 8/29/03 11:29 AM, Adam Hupe at adamhupe_at_comcast.net wrote:

> Hi Michael and List,
>
> I was not questioning Matt's integrity at all. Both meteorites were found
> in Texas less than 35 miles apart and are very similar in appearance. Since
> finely metal-grained H6s with dark matrixes and low shock are rare I feel a
> pairing must be considered. In any case both Spade and Estacado are
> beautiful stones.
>
> All the best,
>
> Adam
>
>
> ----- Original Message -----
> From: "Michael L Blood" <mlblood_at_cox.net>
> To: "Adam Hupe" <adamhupe_at_comcast.net>;
> <meteorite-list_at_meteoritecentral.com>; <bernd.pauli@paulinet.de>
> Sent: Friday, August 29, 2003 11:29 AM
> Subject: Re: [meteorite-list] Spade Versus Estacado
>
>
>> Bernd's observations and opinion are good enough for this cowboy.
>> Also, isn't Matt's meteorite a US find? Matt's integrity is beyond
>> question in my book.
>> Michael
>>
>>
>> on 8/29/03 9:00 AM, Adam Hupe at adamhupe_at_comcast.net wrote:
>>
>>> Dear List Members,
>>>
>>> If somebody wants to sell an Estacado specimen and a Spade specimen to
> us at
>>> the Denver show we would be happy to donate them to a world class
> researcher
>>> who will also be at the show for comparative purposes. We are in the
>>> process of working with several laboratories to sort out NWA pairings
>>> (mainly the stony-irons) and have provided several samples to each
> facility.
>>> We have found that shock and weathering levels amongst other things are
>>> variable even from the same strewn field in many cases.
>>>
>>> The evenly disbursed, fine-grained metal gives Estacado the appearance
> that
>>> there is more metal than there actually is. I have only seen this
> texture in
>>> one other H chondrite and that is NWA 1792 before looking at Spade. Add
> the
>>> darkened matrix and you have a pretty stunning looking meteorite. After
>>> cutting thousands of NWA meteorites I have only seen this texture once,
> in
>>> my opinion making it rare. I think all suspected pairings should be
>>> investigated to keep the books clean, so to speak.
>>>
>>> All the best,
>>>
>>> Adam Hupe
>>>
>>>
>>>
>>>
>>>
>>>
>>> ----- Original Message -----
>>> From: <bernd.pauli_at_paulinet.de>
>>> To: <Meteorite-list_at_meteoritecentral.com>
>>> Sent: Friday, August 29, 2003 8:38 AM
>>> Subject: [meteorite-list] Spade Versus Estacado
>>>
>>>
>>>> Hello once again,
>>>>
>>>> Another possible inconsistency:
>>>>
>>>> My Estacado thin section measures 2.3 x 1.6 cm (3.68 cm^2)
>>>> and I found at least 7 relict POP chondrules and 1 relict, barred
>>>> chondrule.
>>>>
>>>> This would also be in clear contrast to A.E. Rubin's statement:
>>>>
>>>> "The impact melt origin of [Spade] is indicated by the low
>>>> modal abundances of relict chondrules (1.8 vol.%) ..."
>>>>
>>>> Bernd
>>>>
>>>>
>>>> ______________________________________________
>>>> Meteorite-list mailing list
>>>> Meteorite-list_at_meteoritecentral.com
>>>> http://www.pairlist.net/mailman/listinfo/meteorite-list
>>>
>>>
>>> ______________________________________________
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>>
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>> Philip K. Dick
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>

Reality is that which, when you stop believing in it, doesn't go away.
    Philip K. Dick

--
SUPPORT OUR TROUPS:
http://www.takebackthemedia.com/onearmy.html
--
Worth Seeing:
-  Earth at night from satellite:
http://antwrp.gsfc.nasa.gov/apod/image/0011/earthlights_dmsp_big.jpg
- Interactive Lady Liberty:
http://doody36.home.attbi.com/liberty.htm
- Earth - variety of choices:
http://www.fourmilab.ch/earthview/vplanet.html
--
Panoramic view of Meteor Crater:
http://www.virtualguidebooks.com/Arizona/GrandCanyonRoute66/MeteorCrater/Met
eorCraterRimL.html
--
Cool Calendar & Clock:
  http://www.yugop.com/ver3/stuff/03/fla.html
--
Michael Blood Meteorites & Didgeridoos for sale at:
http://www.michaelbloodmeteorites.com/

Received on Fri 29 Aug 2003 07:43:14 PM PDT