Dear list members,
Katol is officially listed as an L6 in the Bulletin now!
http://www.lpi.usra.edu/meteor/metbull.php?sea=Katolsfor=namesants=falls=valids=stype=containslrec=50map=gebrowse=country=Allsrt=namecateg=Allmblist=Allrect=phot=snew=0pnt=Normal%20tablecode=58500
Happy new year 2014
Wow, this is just a surprize, or maybe not ?
For me the crust looks alot like chondrite material, so Im not surprized
here.
But still interesting
-[ MARCIN CIMALA ]-[ I.M.C.A.#3667 ]-
http://www.Meteoryty.pl marcin(at)meteoryty.pl
http://www.PolandMET.com
I'm glad I did not take that bet on this one. Surprised also.
Cheers
John
On Tue, Dec 31, 2013 at 7:30 AM, PolandMET mar...@polandmet.com wrote:
Wow, this is just a surprize, or maybe not ?
For me the crust looks alot like chondrite material, so Im not surprized
here.
But still interesting
Nice GeoChem data. Interesting to see the XFR data included.
Happy New Year!
Jim Wooddell
On 12/31/2013 8:14 AM, karmaka wrote:
Dear list members,
Katol is officially listed as an L6 in the Bulletin now!
Super write-up by Laurence Garvie, but strange that there was so much
mystery surrounding what turns out to be garden variety L6, albeit a
nice fresh fall. I wonder why people thought it was achondrite-ung?
Oxygen and geochem are unequivocal EOC, no mystery at all.
Carl Agee
Hello List, Listees, Listers, Listoids
here, there, and everywhere ...
Midnight in about 6 hours CET and therefore time to wish you
and yours a wonderful, happy, prosperous and healthy New Year!
Bernd
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Hi Carl and all!
Yes, nice write-up! It seems to raise a bar for geochem if someone
wanted to go this far with a particular
specimen. Cool to see Karen involved!
So now, I have all sorts of ideas for one I am working on! Now all I
need to do is win the lottery! NMU is becoming or has
Hello all!
I am trying to find a better method to preserve iron and pallasite
slices from rusting. I currently use that standard plastic box with
silica and a good closing tape. The silica remains unsaturated for
about 6-12 months and after this time I need to replace it. Does
anyone here tried a
Carl, the huge metal nodules, the large green crystals throughout the matrix,
very odd meteorites, everyone who looked at it thought it was an achondrite,
including many scientists.
I've never seen an L6 with white matrix and some pieces nearly green with
crystals.
Not your garden variety
All,
Here are the top 10 meteorite searches from the MetBull database in
2013, in decreasing order of popularity.
Sikhote-Alin (Iron, IIAB)
Chelyabinsk (LL5)
Northwest Africa 7325 (Achondrite-ung)
Hoba (Iron, IVB)
Fukang (Pallasite, PMG)
Northwest Africa 7034 (Martian (basaltic breccia))
Hi Mike,
No doubt an interesting meteorite! I guess I should qualify it by
saying the oxygen and the olivine and pyroxene geochem data are garden
variety EOC. I guess looks can be deceiving -- yet another testimony
to lab data being the blind taste test.
Carl
http://www.universetoday.com/107542/jan-16-may-be-last-best-chance-to-search-for-comet-isons-remains/
Jan. 16 May Be Last Best Chance to Search for Comet ISON's Remains
by Bob King
Universe Today
December 30, 2013
[Graphic]
Comet ISON revolves around the sun in steeply inclined orbit. Earth
Do yourself a favor and buy a dehumidifier and a humidity gauge.
Depending on where you live, depends on how much you¹ll have to run it. I
live in Jersey so mine runs late spring to early fall when humidity is
over 40% in my ³Moon Room². Pieces I have etched 20 years ago have not a
sign of rust!
Something happened in week 18 of 2013 (end of April), and thousands of
people looked at Sikhote-Alin. This was about 7 weeks after the fall of
Chelyabinsk. I don't know what it triggered this. But this spike,
combined with the normal background interest in S-A, put it in 1st place.
In point
Very interesting Jeff
Can You post detailed list lets say TOP100 with numbers of hits on each
meteorite ?
Why peoples search for Sikhotes ? NWA869 ? hmm. They dont see enough of them
on ebay, google photos, web pages, their own boxes ? This is like search for
potatos or coca-cola bottles.
The lab data you (Carl) mention suggests only L, nothing more. No
one's arguing with that. We had that data months ago.
As I understand it, not one chondrule was observed optically in Katol;
they were found only when examining BSE images. This would have ruled
out a chondritic classification
Mike, Andy, Jim,
I don't have bias one way or another in the case of Katol, but looking
at the data in the write-up this is a clear-cut L6 chondrite -- no
ambiguity. There are chondrules albeit highly equilbrated, the
olivines are L6, the pyroxenes are L6, the oxygen isotopes are
L-chondrite. If
Hello Jeff, hello List,
Jeff wrote:
Something happened in week 18 of 2013 (end of April), and thousands of
people looked at Sikhote-Alin. This was about 7 weeks after the fall of
Chelyabinsk. I don't know what it triggered this.
One possible explanation may be that people hoped they would
Jason,
The lab data suggest more than just L. The low standard deviation on
the Fa and Fs indicate type 5 or 6, with the the faint chondrules and
high Wo we are definitely at type 6. Just because it's hard to see the
chondrules with a petrographic microscope doesn't mean they aren't
there. I hope
Hello Carl, All,
The low standard deviation on Fa and Fs denotes a high degree of
equilibration, not just 5 or 6. Five or above would be more
accurate. The nearly absent chondrules and high Wo are at [or beyond]
type 6. If you're a researcher who believes in type 7 chondrites,
since not all do.
Can't resist doing some arm-chair science... usually a bad move, but oh
well... I'll probably end up retracting much of this speculation...
There IS something strange about this meteorite to me. I don't know how
good the XRF analysis is, but it is not what I would expect from an L
Hi Jason et al.
Nice that the Met-list is lively again!
Poikilitic shergotitte is Tony Irving's invention and woe to those who
don't use that term, and instead use the antiquated lherzolitic. I'm
one of those old fashion people who actually like the term lherzolitic
shergottite, but have succumb
G'Day Extreme Rock Nuts
Happy New Year! Be safe and have fun. And thank you Art for this
continued service.
Cheers
John
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Happy New Year to All
John
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Today's Meteorite Picture of the Day: Almahata Sitta
Contributed by: Stephan Decker
http://www.tucsonmeteorites.com/mpodmain.asp
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To the List,
Wishing all a Happy, Prosperous and Healthy New Year!
Guido and Joan Deiro
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