[meteorite-list] Achondritic inclusions

From: Mauro Daniel <rocksfromspace_at_meteoritecentral.com>
Date: Sun Sep 19 10:29:27 2004
Message-ID: <BAY24-F1598Bi89Qtpf000b9c35_at_hotmail.com>

Other strange inclusions its visible in

NWA 1259

http://it.geocities.com/meteoriti20002/NWA1259gr.8.6.JPG

NWA 1260

http://it.geocities.com/meteoriti20002/NWA1260gr.2.9.JPG



>From: "Greg Redfern" <gredfern_at_earthlink.net>
>To: <bernd.pauli_at_paulinet.de>, <Meteorite-list@meteoritecentral.com>
>CC: dragonsoup_at_msn.com, christian.anger@aon.at
>Subject: RE: [meteorite-list] Achondritic inclusions
>Date: Sun, 19 Sep 2004 09:48:49 -0400
>
>Bernd,
>
> Could you send me a copy of that JPEG as well? I have some of Dean's
>unclassified material, most probably NWA 869, and I too have "gray,
>featureless areas" in several of mine.
>
>All the best,
>
>Greg
>
>Greg Redfern
>JPL NASA Solar System Ambassador
>http://www.jpl.nasa.gov/ambassador/index.html
>International Meteorite Collectors Association #5781
>http://www.imca.cc
>Member Meteoritical Society
>http://www.meteoriticalsociety.org/
>
>-----Original Message-----
>From: meteorite-list-bounces_at_meteoritecentral.com
>[mailto:meteorite-list-bounces_at_meteoritecentral.com] On Behalf Of
>bernd.pauli_at_paulinet.de
>Sent: Sunday, September 19, 2004 8:53 AM
>To: Meteorite-list_at_meteoritecentral.com
>Cc: christian.anger_at_aon.at; dragonsoup@msn.com
>Subject: [meteorite-list] Achondritic inclusions
>
>Phil wrote:
>
> > I've been curious about a piece of NWA 869 I cut
> > into and am interested in opinions or observations.
>
> > Bernd mentioned "achondritic" gray inclusions more than
> > a year ago ... and Maria just showed a slice containing
> > a couple of them.
>
> > Is this a large half-baked chondrule or one
> > of these achondritic inclusions of some sort.
>
>
>Hello Phil and List,
>
>Let me first of all say that your slice is a wonderful example
>of the many different looks NWA 869 specimens surprise us with!
>
>The lower part of your slice looks very much like L3.x or LL3.x material
>(no surprise as we all know that even L3.8 has been proposed for some
>NWA 869 lithologies).
>
>Those large mineralic clasts look like pyroxene or (especially the one
>on the right) like a mixture of pyroxene and olivine to me. The possibly
>achondritic material I was talking about in my post about a year ago, can
>be seen in O.R. Norton's ENCYCLOPEDIA, p. 144 (lower picture).
>
>This fine-grained material - so fine-grained that it remains featureless
>even under the microscope - is, according to O.R. Norton (p. 144), typical
>of basaltic achondrites.
>
>I am going to send you, Christian, and Maria, (the 869 fan club :-) a
>JPEG of such an inclusion in one of my NWA 869 specimens (purchased from
>Dean Bessey) in a private mail so you get a first-hand impression of what
>I was talking about. It is the gray, featureless area in the 9 o'clock
>position
>of the 30.8-gram piece on the left.
>
>Best regards,
>
>Bernd
>
>
>To: Meteorite-list_at_meteoritecentral.com
>Cc: pkmorgan_at_ctcweb.net
> christian.anger_at_aon.at
> dragonsoup_at_msn.com
>
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Received on Sun 19 Sep 2004 10:29:24 AM PDT