[meteorite-list] Selakopi and Glanggang

From: Martin Horejsi <accretiondesk_at_meteoritecentral.com>
Date: Wed Oct 19 14:10:10 2005
Message-ID: <9c2f96d20510191110q13dfe7a8m5a757890bf10c0a4_at_mail.gmail.com>

Hi Bernd,

Thanks for the article. I knew such a text existed, but the reference
I had contained a question mark in the title.

Now a refined question: At what point are meteorites paired? If a same
day fall 50km apart with similar composition is still not enough, then
what is? According to the authors, more study is needed. What might
that study be? And if such synchronicity is not a preponderance of
evidence for pairing, how can any ancient falls on the hot deserts
ever be truly paired?

Just wondering.

Martin

On 19 Oct 2005 18:00:45 UT, bernd.pauli_at_paulinet.de
<bernd.pauli_at_paulinet.de> wrote:
> Hello again,
>
> How about this one: Any thoughts on the relationship
> between Glanggang and Selakopi? Cheers, Martin
>
> No thoughts but this:
>
> FREDRIKSSON K. and PERETSMAN G.S. (1982) Glanggang and Selakopi
> - Two new paired Indonesian chondrites (Meteoritics 17, 1982, pp. 78-86):
>
> Abstract: The Indonesian meteorites Selakopi, and H-5 chondrite, and Glanggang,
> a breccia with H-6 fragments in an H-5 chondritic matrix, were recovered on the
> same day from sites only 50 km apart. The textures and compositions of Selakopi
> and the H-5 portion of Glanggang are very similar, indicating that they are closely
> related. The bulk chemistry of the H-6 portion of Glanggang is also very similar to
> that of the samples mentioned. It has therefore been concluded that Selakopi and
> the Glanggang breccia fragments were derived from the same source area and were
> probably ejected at the same time. Minor differences in bulk composition and texture
> among the three samples may be attributed to local variations on the parent body.
> However, for reasons stipulated in the conclusion, it is recommended that separate
> names be maintained for these meteorites until further, more definitive investigations
> have been made.
>
> Cheers from the wet and
> cold Rhein-Main area,
>
> Bernd
>
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Received on Wed 19 Oct 2005 02:10:08 PM PDT