[meteorite-list] Ablation Zone 5 Layers...Not

From: Greg Stanley <stanleygregr_at_meteoritecentral.com>
Date: Sat, 21 Nov 2009 09:55:35 -0800
Message-ID: <SNT117-W1612C0A54FE3769131ECE8D2A00_at_phx.gbl>

Martin:

See? Fig. 1 on this UCLA web page.

http://www.ess.ucla.edu/research/cosmochem/meteorite.asp

Not sure if Dr. Wasson has written any papers regarding fusion crusts on irons, but I would think he would endorse anything on the web page.

Greg S.

----------------------------------------
> From: altmann at meteorite-martin.de
> To: Meteorite-list at meteoritecentral.com
> Date: Sat, 21 Nov 2009 13:45:39 +0100
> Subject: Re: [meteorite-list] Ablation Zone 5 Layers...Not
>
> Hi Jason,
>
> I'd say, it's to early to theorize in that very thread.
> Cause it seem to me, that you and Elton are talking at cross-purposes.
>
> Because I suppose, that Elton hadn't yet such an example of a fusion crusted
> iron in his hand. So that the initial base for that discussion isn't given
> yet.
>
> That's no wonder, because fusion crusted irons are extremely rare.
> There are only 49 observed falls, most of them aren't available in form of
> specimens with larger surfaces to the collector or at all. Not many of them
> produced many individuals.
> And early picked Sikhotes with preserved crust (like the one with a crust
> thick like a fingernail from Krinov's 1st flush, I linked to - my personal
> epiphany of iron fusion crust) are rare.
>
> And in my eyes it makes not much sense to have a theoretic discussion if the
> phenomenon, the discussion is about, is such a very concrete one.
>
> Terminology is a very secondary thing, because it describes and/or defines
> objects. Therefore it's not necessary to argue about.
> Use as working terms "fusion crust" for silicate melts, "lard" for iron
> melts :-)
>
> Well to doubt the abilities of a Krinov, Nininger, Buchwald ect because
> their curricula vitae show not enough formal qualifications in that field of
> science (which they often firstly created)
> is very bigheaded (? Don't know the right English term)
> and not directly scientific, cause it doesn't change the physical phenomenon
> of that thing called crust.
>
> Would mean also in turn, that a Ralew, a Hupe, a Fectay, a Haberer...and so
> on, wouldn't be able to recognize a possible Lunar or Martian, because they
> don't have hanging a diploma of geology on the wall :-)
>
> Btw. has Cohen, Ramdohr, Wasson smth written about fusion crust on irons?
>
> Best!
> Martin
>
>
>
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Received on Sat 21 Nov 2009 12:55:35 PM PST