[meteorite-list] Petrologic types

From: (wrong string) ørn Sørheim <bsoerhei_at_meteoritecentral.com>
Date: Thu Apr 22 10:23:47 2004
Message-ID: <200303121242.NAA18417_at_mail59.fg.online.no>

Hei Lars,
Even finer grading, lowest value of 3.x means the chondrules
are the most distinct, higher values that they become
more 'blured'. But even 3.8 are quite distinct since
it's 3, not 4,5,6 in the first place.

I think it's only the petrologic type 3 that have this subdivision,
it's not so much needed, or it's no so easy to make
a coherent subdivision in the less distinct 1-2 & 4-5-6.
That's as far as I understand it, at least ...

Bjørn Sørheim

At 08:43 12.03.03 +0100, you wrote:
>Ho ..... sorry typing error ...... Hi
>I have been thinking - not that I do that very often - What does the
petrologic type 3.8 mean ?
>I understand the types 3-4-5-6 but when it comes to the decimals I fall off.
>Can anyone enlighten me ? (or how it is spelled)
>I just bought a NWA 987 L3.8 so I want to know more about it.
>
>Regards
>Lars
Received on Wed 12 Mar 2003 07:42:23 AM PST