hi
from the images provided the amphoterite bandong is far more blue-
grey. /d
On May 4, 2008, at 12:07 PM, Greg Hupe wrote:
Hi Tom,
You asked, "What did you think when the first blue meteorite (NWA
2828) was cut?" I thought, "What the heck is this stuff?!"
I had first purchased a very small amount of this material, cut it,
and thought it was the strangest "meteorite" I had seen to date, if
it was a meteorite at all. I then sent the type sample to the
University of Washington for analysis, and if a meteorite,
classification. The original 20 gram sample did not have any of the
chondrules so it was classified as an aubrite. During the next 6-12
months of going to Morocco (maybe 5 or 6 trips), I kept my eye out
for more of this material. I thought I had a coup on this new
"aubrite" so I traveled to Morocco more often during that time and
bought up as much as I could find.
It wasn't until I started to cut and polish this material to start
to offer it to collectors that the first chondrules started to
present themselves. They were not the typical chondrules like in
OC's so I sent additional type samples with these "features" to the
scientists (eventually more samples and 80 grams later). Lab
results..., "Chondrules!" "DAMN", was the next thought. Thank
goodness I had not offered any of this material publicly as I would
have had a real problem on my hands. :-/ So many months had passed
by that the first abstract stating the "aubrite" classification had
made itself to the Internet and it was from this information that
another overseas dealer who had some of this material had it up on
his web site (without sending in a type sample) and started selling
it as NWA 2828. I thought "How embarrassing for this person who did
not want to send in his own sample and get his own NWA
number!" (this time it bit him in the butt!).
Eventually, and over time and with many people's help, the riddle
of NWA 2828 (and its pairings 'Al Haggounia', and other NWA
numbers) were revealed. It is still a very interesting meteorite
with a great story behind its discovery and eventual
classification. Now if we could just get Dr. Jambon to acknowledge
the hard work of his peers "Proving" once and for all, "Al
Haggounia" (the pairing to NWA 2828) is NOT AN AUBRITE!!!
Best regards,
Greg
====================
Greg Hupe
The Hupe Collection
NaturesVault (eBay)
[EMAIL PROTECTED]
www.LunarRock.com
IMCA 3163
====================
Click here for my current eBay auctions: http://search.ebay.com/
_W0QQsassZnaturesvault
----- Original Message ----- From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Sunday, May 04, 2008 11:21 AM
Subject: Re: [meteorite-list] New or maybe old QUESTION??????
Thanks Greg, Beautiful photos! Every one interested in this
material
should check them out. I like the slice of "Blue" with an
attached rhyolite
pebble. http://www.lunarrock.com/nwa2828/nwa2828pebble.jpg
It is one thing to look at this material now with the knowledge
of what it
is. I can only call it astonishment when you cut into one like
is shown in
Greg's image. But Greg, what was it like to cut into a blue
meteorite when it
was new! I'm sure you had ideas of what it was but this was
before any
classification/analysis had been done. What did you think when
the first blue
meteorite was cut?
Tom Phillips
In a message dated 5/4/2008 9:14:38 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
Hi Tom, Pete and List,
Tom has been doing a fantastic job with his studies and I thank
him for his
tireless efforts and for sharing with us. Before the realization
that NWA
2828, Al Haggounia and the other pairings to NWA 2828 were found
to be an
EL3 and NOT an aubrite, I spent many trips to Morocco buying up
the "Blue"
material. Needless to say, I have several kilos of the "Blue" EL3
material,
one of the lucky first-in buyers, not price-wise but material-
wise :-)
Here are some additional photo links of NWA 2828 "Blue", most
have seen
these as they are the ones I have with my eBay description of NWA
2828.
Photograph of a 24.9g NWA 2828 slice with rhyolite pebble (image
1):
http://www.lunarrock.com/nwa2828/nwa2828pebble.jpg
Photograph of magnified radial pyroxene chondrule (image 2):
http://www.lunarrock.com/nwa2828/nwa2828chondrule.jpg
Photograph of magnified whitish enstatite-rich clast (image 3):
http://www.lunarrock.com/nwa2828/nwa2828clast.jpg
Photograph of a 14.3g complete slice of NWA 2828 (image 4):
http://www.lunarrock.com/nwa2828/nwa2828slice.jpg
Enjoy!
Greg
====================
Greg Hupe
The Hupe Collection
NaturesVault (eBay)
[EMAIL PROTECTED]
www.LunarRock.com
IMCA 3163
====================
Click here for my current eBay auctions:
http://search.ebay.com/_W0QQsassZnaturesvault
----- Original Message ----- From: <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Sunday, May 04, 2008 9:57 AM
Subject: Re: [meteorite-list] New or maybe old QUESTION??????
Hi Pete, IF you are looking for an affordable sample check out Al
Hagounia.
It matches your criteria and it is an Enstatite. NAU recently
posted a
paper on their web site that nicely covers what it is, the
terrestrial
alteration it has undergone, and it's location in the layers of
sediment.
http://www4.nau.edu/meteorite/Meteorite/Al_Haggounia.html
The stuff is ugly on the outside but I have cut quite a few
slices and it
is
interesting when cut. It takes a polish quite nicely. When
you happen
to
cut into a large radial chondrule it is beautiful. A sea of
fine grain
brown
with only one big fan shaped chondrule. Those polished
examples make a
nice
display. Some times you get a "Blue" one! The Blue phase,
NWA 2828 is
an
example, can be found mixed with the brown in the same slice.
That is
not
common so it is fun when you find one. The best part is it is
cheap
because
there is plenty to go around.
Tom Phillips
In a message dated 5/4/2008 1:09:56 A.M. Central Daylight Time,
[EMAIL PROTECTED] writes:
List,
Maybe this has been asked and answered (sounds like a lawer
thing) and
maybe
not.
Since I am relatively new to collecting and certainly not an
Expert in
any
area of meteorite study (with the exception of magnetisum (from
the sky
magnetic VS made a magnet by processes here on earth).
Here's my question:
A geologist digs in an area that he thinks there will be the
likelyhood
of
finding a fossil. Maybe he gets lucky and maybe finds bunches
of them.
Has anyone ever found a meteorite buried deep in a layer that is
thousands
or even millions of years old?
Years ago--long before I became an obsessed, crazed, meteorite
addict,
while teaching a series on earthquakes, I had found a video of a
scientist
standing with one foot on the Pacific plate and the other foot
on the
North
Americian plate, ie astraddle of the San Andreas fault line. In
back of
him
was a small vertical clift of maybe 10 feet and you could
plainly see the
shift (approx 15 inches) in the layers of sediment.
Now I've got to thinking (some say this is my problem--
Thinking) that
these
meteorites have a tremendous terestial age. If the earth is
bombarded by
these meteorites throughout the aeons, then there should be a
record, ie
evidence in the form of buried craters (see the Odessa,Tx
crater) --
Approx
100 to 110 feet deep that has been filled in till it is only 25
to 30
feet
deep now due to wind blown sand (mostly). I've got a pamplet of
"Occasional
Papers of the Strecker Museum" from Baylor University showing
a neat
cross
section of the Odessa Crater.
How much investigation into the cross section structure of the
sediment
layers, looking for evidence of craters has been done? Has
there ever
been
an accidential discovery of a buried crater in a clift side.
Lots of
these
erroded mesa exist out west. Maybe evidence is visable there.
Surely Valeria is not the only animal killer out there.
Maybe another animal drilled by a passing meteorite with the
coresponding
meteorite near the body. Maybe there's no body but the
meteorite is still
there buried in the deeper layers of sediment. Maybe tektites
are the
only
surviving evidence.
In a nutshell, has there ever been a meteorite found at a depth of
sediment
that is plainly very old?
Pete
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