Hi Bernd and Maria and good morning list,
I have a slice of Maria's NWA 869 and would like to compare mine to the ones you are talking about. Bernd would you be so kind to send me a copy too? Danke!
And Maria, I tried to look at this URL and can't access your image.
http://photos.yahoo.com/dragonsoup_maria.
Sternengruss, Moni
From: "Greg Redfern" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>, <[EMAIL PROTECTED]> CC: [EMAIL PROTECTED], [EMAIL PROTECTED] 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: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of [EMAIL PROTECTED] Sent: Sunday, September 19, 2004 8:53 AM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] 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
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