[meteorite-list] Irons and fusion crust

From: Christian Anger <christian.anger_at_meteoritecentral.com>
Date: Sun, 7 Jan 2007 20:13:27 +0100
Message-ID: <!~!UENERkVCMDkAAQACAAAAAAAAAAAAAAAAABgAAAAAAAAAF4tPh6W6Hku+xEbDzy+gc8KAAAAQAAAAa16Ux+5j6k2Rx0OOwyyjdwEAAAAA_at_aon.at>

Hi,

here you have excellent fusion crust on a Sikhote Alin,

www.austromet.com/collection/Sikhote_Alin_18.7g_E.jpg


enjoy,

Christian


I.M.C.A. #2673 at www.imca.cc
website: www.austromet.com
 
Ing. Christian Anger
Korngasse 6
2405 Bad Deutsch-Altenburg
AUSTRIA
 
email: christian.anger at aon.at
email: meteorites at austromet.com
> -----Original Message-----
> From: meteorite-list-bounces at meteoritecentral.com [mailto:meteorite-list-
> bounces at meteoritecentral.com] On Behalf Of Dave Freeman mjwy
> Sent: Sunday, January 07, 2007 7:50 PM
> To: Michael Farmer
> Cc: Dr. Svend Buhl; meteorite-list at meteoritecentral.com
> Subject: Re: [meteorite-list] Irons and fusion crust
>
> Dear Crusty's;
> I think the whole deal here with "fusion crust" which is what I choose
> to call it, all boils down to what academia and thus the rest of us
> mortal ones choose to call "fusion crust".
> We have discussed this issue numerous times here and it very much
> relates my thought to President Clinton's comment a while back,
> "No I did not have sex with that woman"......well, one has to define sex
> first. Agreement was that something occurred, just how to define it.
>
> Call it a glassy altered surface deposit if you like and it makes you
> feel good but in my feeling, anything other than an iron surface, and
> anything that has been effected by an iron meteorite blasting through
> the atmosphere and directly related to the affects of heating as a
> result of passing through the Earth's atmosphere should be categorized
> as fusion (because it was hot and burned) crust (because it is on the
> exterior surface of) a meteorite. Don't care if it is glassy or
> melted cheese whiz. Don't care if it is .000001 mm in thickness or a
> full two inch thick crusty black nasty stinky filthy burned rotten
> yam..........if it is a result of heat of entry, and on the surface of
> an iron meteorite when fresh or relatively freshly occurred, then it
> might be a fusion crust.
> Just my 2 sense'.
> Dave Freeman
> with more sense than some
>
>
>
> Michael Farmer wrote:
>
> >I completely agree that iron meteorite falls have
> >fusion crust. Come on, they meteorites are often
> >covered with frothy blue-black crust, sometimes 2 or 3
> >mm thick, it flackes off, it was caused by the fusion
> >of iron minerals while burning at thousands of degrees
> >on entry, exactly the same way silicates form fusion
> >crusts on stones. Thus, we have two different types of
> >materials, burning, and when they land, they have a
> >surface of crust comprised of molten material due to
> >heat alteration.
> >How can that not be called a fusion crust?
> >Michael Farmer
> >______________________________________________
> >Meteorite-list mailing list
> >Meteorite-list at meteoritecentral.com
> >http://six.pairlist.net/mailman/listinfo/meteorite-list
> >
> >
> >
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Received on Sun 07 Jan 2007 02:13:27 PM PST


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