Re: [meteorite-list] Arrow head found in box of Moroccan Meteoritefragments.

[Sterling K. Webb]

Hi, Tom, List

Dean Bessey used to (may yet) sell neolithic
arrowheads from NWA. Most are probably 9000 to
13,000 years old, from the time that the Sahara
was a well-watered grassland with scattered forest
stands and lots of big game, well illustrated in
the rock drawings the neolithic peoples left behind:
http://images.google.com/images?gbv=2&hl=en&safe=off&q=+site:images.jupiterimages.com+petroglyphs+sahara
You just got a freebie.

Sterling K. Webb
--
- Original Message - 
From: <[EMAIL PROTECTED]>
To: 
Sent: Friday, June 08, 2007 11:35 PM
Subject: [meteorite-list] Arrow head found in box of Moroccan 
Meteoritefragments.



Hi List,  You all will think I am  nuts.  I was going through a box of small
meteorite fragments sorting out  interesting pieces and attractive
individuals.  It was out of 20 Kg. small  stuff, all unsorted and very dirty 
and I found
an arrow head.  Nice shape.  About 1 inch total length.

Are there any arrow heads found in the region  where meteorites would be
shipped from Morocco?

Thanks,  Tom




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Re: [meteorite-list] Arrow head found in box of Moroccan Meteorite fragments.

[dean bessey]

Yeah there are lots of arrowheads and various types of
stone artifacts that is found all over the sahara
desert. The stuff is relatively common as the area has
been inhabited by people for hundreds of thousands of
years and until relitively recently man spent a good
chunk of their time making stone tools (Getting food
took up a lot more time 100,000 years ago than it does
today). 
Most are flint looking and are neolithic or just
slightly older. If it is stone looking and really
crude it could be much older. You will find arrowheads
upwards of 100,000 years old and hand axes as much as
over half a million.
What you have is probably genuine. If you send me a
photo I can give you an estimate of its age.
Sincerely
DEAN

--- [EMAIL PROTECTED] wrote:

> 
> Hi List,  You all will think I am  nuts.  I was
> going through a box of small 
> meteorite fragments sorting out  interesting pieces
> and attractive 
> individuals.  It was out of 20 Kg. small  stuff, all
> unsorted and very dirty and I found 
> an arrow head.  Nice shape.  About 1 inch total
> length.
> 
> Are there any arrow heads found in the region  where
> meteorites would be 
> shipped from Morocco?
> 
> Thanks,  Tom  
> 
> 
> 
> 
> ** See what's
> free at http://www.aol.com.
> __
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>
http://six.pairlist.net/mailman/listinfo/meteorite-list
> 



   

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Finder tool.
http://autos.yahoo.com/carfinder/
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Re: [meteorite-list] Arrow head found in box of Moroccan Meteorite fragments.

[Darren Garrison]

On Sat, 9 Jun 2007 00:35:14 EDT, you wrote:

>
>Hi List,  You all will think I am  nuts.  I was going through a box of small 
>meteorite fragments sorting out  interesting pieces and attractive 
>individuals.  It was out of 20 Kg. small  stuff, all unsorted and very dirty 
>and I found 
>an arrow head.  Nice shape.  About 1 inch total length.
>
>Are there any arrow heads found in the region  where meteorites would be 
>shipped from Morocco?
>

I don't know for sure on that, but I did buy a few arrowheads supposed to be
from Morocco from an ebay meteorite dealer once (they were cheap, bought them on
impulse when I was buying some meteorites).  I'm no expert on arrowheads, but to
me they looked like the mass-produced modern crap that you can buy for 25 cents
each various places (probably all have encountered them at mineral shows).  Or I
could be wrong and they could be real.

I also have an NWA that looks almost like somebody tried to shape it into a
tool, but then again could just be broken that way (and with no way to know for
sure either way).
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[meteorite-list] Arrow head found in box of Moroccan Meteorite fragments.

[STARSANDSCOPES]

Hi List,  You all will think I am  nuts.  I was going through a box of small 
meteorite fragments sorting out  interesting pieces and attractive 
individuals.  It was out of 20 Kg. small  stuff, all unsorted and very dirty 
and I found 
an arrow head.  Nice shape.  About 1 inch total length.

Are there any arrow heads found in the region  where meteorites would be 
shipped from Morocco?

Thanks,  Tom  




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[meteorite-list] [AD] eBay Goodies - Oriented Irons

[Notkin]

Dear Listees:

Greetings all on a lovely clear and warm Sonoran Desert evening.

I have twelve eBay auctions on at the moment, and they'll be of special 
interest to those of you who collect oriented irons. Items include:



- A highly oriented rectangular Taza shield with perfect rollover lip, 
13.3 grams


- A beautiful regmaglypted, oriented Sikhote-Alin (the nice kind that 
we don't see on eBay anymore) currently at $0.26/gram


- A substantial oriented Campo, 566.9 grams, currently at only six 
bucks!


- Sikhote-Alin highly oriented "bullet" with tons of small flowlines, a 
must see:


http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=170118823727


And some other goodies: Canyon Diablo, fusion-crusted Gao, nice small 
Gibeon with ochre patina, NWA 869 polished slice with great 
brecciation, silicated Campo slice, etc. All are no reserve auctions 
and all started at a paltry 99 cents, so somebody will get a super 
deal.


Auctions end on Sunday. See them all here:

http://search.ebay.com/_W0QQfgtpZ1QQfrppZ25QQsassZaerolitemeteorites


Thanks for looking, have a great weekend, and safe travels to all our 
friends en route to Ensisheim.


Geoff N.

www.aerolite.org
www.campometeorites.com

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Re: [meteorite-list] Three New Papers on Mythology and Meteorites

[Sterling K. Webb]

Hi, Paul,

Thanks for pointing out these papers. Fascinating
downloads. Lots of other interesting stuff in there
besides these three. Ok, I confess -- I downloaded
the whole book...
Thanks again.


Sterling K. Webb
---
- Original Message - 
From: "Paul" <[EMAIL PROTECTED]>
To: 
Sent: Friday, June 08, 2007 2:58 PM
Subject: [meteorite-list] Three New Papers on Mythology and Meteorites


Dear Friends,

The Geological Society of London has a new book concerning
the potential of myth to yield clues to geologic processes
and past geologic events. It is:

Piccardi, L., and W.B. Masse, 2007, Myth and Geology.
Geological Society of London Special Publication no. 273.

http://sp.lyellcollection.org/content/vol273/issue1/

10-Digit ISBN: 1-86239-216-1
13-Digit ISBN: 978-1-86239-216-8
Three of the papers in this book are related to mythology and
either meteorites of extraterrestrial impacts. They are:

1. Myth and catastrophic reality: using myth to identify
cosmic impacts and massive Plinian eruptions in Holocene
South America by W. Bruce Masse1 & Michael J. Masse.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/177

2. Cosmogenic mega-tsunami in the Australia region: are
they supported by Aboriginal and Maori legends? by E.
Bryant, G. Walsh & D. Abbott.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/203

3. Meteorite records in the ancient Greek and Latin
literature: between history and myth by Massimo D'Orazio

http://sp.lyellcollection.org/cgi/content/abstract/273/1/215

The PDF files of these articles can be downloaded
for free until June 18th.

Best

Paul H.





Moody friends. Drama queens. Your life? Nope! - their life, your story. Play 
Sims Stories at Yahoo! Games.
http://sims.yahoo.com/
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Re: [meteorite-list] Nevadameteorites Picture of the day

[Notkin]

Sonny posted:

http://nevadameteorites.com/recent_fids_page_2.htm


Dear Sonny:

Congrats on a great find and an amazing photo of Nevada's new largest 
chondrite! How long did it take you to arrange all those meteorites for 
their portrait? That's gotta be one for the record books.


You could re-do your entire driveway with all that stuff   : )


Cheers from Tucson,

Geoff N.

www.aerolite.org
www.campometeorites.com

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[meteorite-list] Three new papers, and the dates for Rio Cuartro and Campo

[E.P. Grondine]

Hi all - 

What a great freebie

The Mayan date for the Rio Cuarto impacts is

25 October, 2360.  Some months back, but after the
publication of my book, I was informed that this date
has been confirmed by tree ring studies.

The Maya described this impact as happening at
"Matawil". Thus I am very pleased with the new
radiocarbon dates for Campo de Cielo, as from the same
set of incriptions on:

17 February 2325 there was another impact event at
"Matawil".

The cheapest way to buy my book "Man and Impact in the
Americas" is through Crow Clan Jewelry.  Or my
original essay, "Going into the Water", which expanded
Dr. Masse's earlier work with Rio Cuarto myths to the
Mayan written records may be read for free in the
Cambridge Conference archives.

Thanks for the heads up, Paul. The articles are now
downloaded for later reading.

Mike, you've got another hammer - 

E.P. Grondine
Man and Impact in the Americas



Message: 11
Date: Fri, 8 Jun 2007 12:58:47 -0700 (PDT)
From: Paul <[EMAIL PROTECTED]>
Subject: [meteorite-list] Three New Papers on
Mythology and Meteorites
To: meteorite-list@meteoritecentral.com
Message-ID:
<[EMAIL PROTECTED]>
Content-Type: text/plain; charset=iso-8859-1

Dear Friends,

The Geological Society of London has a new book
concerning
the potential of myth to yield clues to geologic
processes
and past geologic events. It is:

Piccardi, L., and W.B. Masse, 2007, Myth and Geology.
Geological Society of London Special Publication no.
273.

http://sp.lyellcollection.org/content/vol273/issue1/

10-Digit ISBN: 1-86239-216-1
13-Digit ISBN: 978-1-86239-216-8
Three of the papers in this book are related to
mythology and
either meteorites of extraterrestrial impacts. They
are:

1. Myth and catastrophic reality: using myth to
identify 
cosmic impacts and massive Plinian eruptions in
Holocene 
South America by W. Bruce Masse1 & Michael J. Masse.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/177

2. Cosmogenic mega-tsunami in the Australia region:
are 
they supported by Aboriginal and Maori legends? by E. 
Bryant, G. Walsh & D. Abbott.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/203

3. Meteorite records in the ancient Greek and Latin 
literature: between history and myth by Massimo
D'Orazio

http://sp.lyellcollection.org/cgi/content/abstract/273/1/215

The PDF files of these articles can be downloaded
for free until June 18th.

Best

Paul H.





   

Pinpoint customers who are looking for what you sell. 
http://searchmarketing.yahoo.com/
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[meteorite-list] New Website

[Metorman46]

 
Welcome Patrick and good luck on all your hunts.The post by sonny clary  
really energizes my enthusiam for the sneaky little devils hiding in plain  
sight,i wish, anyway thanks for the post and the opportunity to enjoy your  
site.

 
Best Regards;Herman Archer IMCA 2770







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[meteorite-list] Nevadameteorites Picture of the day, Nevada's largest chondrite find !

[Metorman46]

 
Sonny; That is an awesome sight to behold.Congratulations and i  personally 
hope your meteorite finding streak continues for a long time.With  much envy i 
say goodbye.

 
Best Regards;Herman Archer IMCA 2770.







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[meteorite-list] June Micro Visions by Drake Damerau

[STARSANDSCOPES]

Hi List, May 2007 Meteorite Times had a Micro  Vision article titled "Space 
Pearls". This was just a fun name for an unknown  feature I noticed in a couple 
meteorites. Drake Dameräu saw that article and  wrote a fantastic explanation 
that I thought you would all enjoy. Some times  other fields of study bring a 
new perspective to meteorites, perhaps he has done  just that.

This Meteorite Times Micro Vision was written by Drake and he  has some 
micrographs of his own.  This was very interesting so check it  out.  If you 
do, 
Drake is a list member, so pass on a  thanks!

http://www.meteorite-times.com/meteorite_frame.htm

Tom  Phillips  




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[meteorite-list] Ad: Last Ebay sale until July.

[Michael Farmer]

Hi everyone, I have over 40 meteorites ending on
Monday. I will be in Europe for a full month, so this
is my last ebay sale until late July.
 
Two special meteorites are ending Monday, one cent
items. 

Superb large Muonionalusta slice, 215 grams!
http://cgi.ebay.com/_W0QQitemZ170119825224

Large Brahin slice, translucent crystals, 322 grams:
http://cgi.ebay.com/_W0QQitemZ170119826618


See all of the meteorites offered at the links below.
 
 http://search.ebay.com/_W0QQsassZmeteoritehunters
 
 http://search.ebay.com/_W0QQsassZmeteorite-hunter
 

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Re: [meteorite-list] Rusty droplets/AD

[Gerald Flaherty]

Al, thanks a lot for the information. I might have missed the tip about 
recharging the dessicants on previous threads so the information you 
provided obviates the need of my asking something that I've wondered about. 
Microwaves are out right??

Jerry Flaherty
- Original Message - 
From: "AL Mitterling" <[EMAIL PROTECTED]>

To: 
Cc: "giovannisostero" <[EMAIL PROTECTED]>
Sent: Friday, June 08, 2007 7:56 AM
Subject: Re: [meteorite-list] Rusty droplets/AD



Hi All,

You can also purchase one or more of my new Meteorite Dry products and 
place in your display cabinet. I've been experimenting with these in my 
own cabinets. They are basically dessicant/silica gel with mostly white 
crystals but I have added enough of the blue crystals that they "turn 
color" when they become moist. Since they are in a perforated tube with 
caps it allows the drier to do it's job without coming into contact with 
the meteorites.


I'd say the draw back (if it is any at all) is having to pull the end off 
a tube, place the dessicant in a pan and place in a pre-heated oven at 
about 350 degrees for about a half hour or less so you can re-use over and 
over. They seem to fit well into my crowed cases and although I have done 
a good job at keeping specimens, I have found these are still pulling some 
humidity from the cases over a period of time despite my precautions.


My initial offering of these had a fair turn out but I thought more people 
would be interested in these and protecting specimens. I was expecting 
more responses than I received. If anyone is interested in these please 
contact me off list.


Some meteorites are rust prone, Ghubara is one of them. Even under perfect 
preparation methods if not properly kept they will still oxidize as the 
oxygen molecules attach themselves to the iron in specimens. Living in a 
low humidity climate helps but a lot of us don't have that option and so 
keeping specimens as dry as possible is the best answer. All my best!


--AL Mitterling
Mitterling Meteorites

mark ford wrote:

> <>or use dessicant/silica gel with the rock and recharge it regularly).
>
> They also preferably need to be kept somewhere dry like inside a cabinet
> with dessicators inside, or better still a dehumidifier.
>
> Most slices reach a stable point eventually once you have done this!
>
> Best
> Mark Ford

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[meteorite-list] Hello Patrick, or ...

[bernd . pauli]

.. had I better say Mr. "Pallasite"?! ;-)

Welcome to the List and bye-bye to your status as a "lurker". It was delightful 
to visit
your revamped website and anyone who is seriously and passionately into 
meteorites,
can literally feel your enthusiasm while looking at your pics. Your website, 
and, the
illustrious crowd you have assembled there (Bob Haag, Roman, Mike T., Mike F.,
McCartney, our own Stefan Ralew... just to name a few), are ample proof you got
the meteorite bug ... a contagious disease as we all know ;-))

If I were you, I wouldn't take pictures of our beloved meteorites at an oblique 
angle
because too many beautiful details just don't show. One example, your DHO 1180
(Lunar) probably of M.F. provenance - the oblique view doesn't do that lunar 
beauty
justice. I, personally, would also prefer a millimeter (or centimeter) scale 
instead of a
pencil to give people an idea how "big" my slice of XYZ is.

One last comment - I hope you don't mind - subjective comments like "nice 
crust" have
no scientific (and no real personal) value. *You* know the crust is "nice", 
others, if they
know anything about meteorites and their crusts, will instantly see how nice 
the crust is.
Example: Your "beautiful" and "impressive" Holbrook specimen; it has a very 
"nice" shape,
it is "museum quality"! Those "in the know" know, others wouldn't care because 
they do
not see the inherent beauty of these celestial treasures!

Best wishes from
Germany,

Bernd

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Re: [meteorite-list] New Website

[Jose Campos]

Hello Patrick in Canada!
Welcome to the List! (although you have been "lurking" on this List for some 
2 yrs...)
Congratulations on your revamped website: I find it to be quite easy to "go 
thru"!

By the way, re. the Zinder pallasite on your site,  you mention:
Find 2004 in Niger -  but then you go on mentioning that: It was purchased 
in 2001 by a mineral collector...
Well, one of the dates is wrong, as obviously, it cannot be purchased before 
it was found! :)


On another note: Never mind about the Good, the Bad and the Ugly emails that 
sometimes we come across in this List,


but here is an idea to follow for List Members: What are your choices for 
the   GOOD,  the BAD  and theUGLY.  METEORITES?

 Here is my choice:  ESQUELADMIRE 
CHIANG KHAN



José Campos

- Original Message - 
From: <[EMAIL PROTECTED]>

To: 
Sent: Friday, June 08, 2007 7:11 PM
Subject: [meteorite-list] New Website


Hello Listoids.
I have been a lurker on this list for some time. I enjoy the Good, the Bad
and the Ugly!

Now I would like to take this opportunity to introduce myself to The List. I
am a collector in Canada and I have been collecting meteorites for a few
years now. I try to focus on Pallasites, but I have been collecting whatever
comes my way.

Meteorites have turned from a hobby of mine into a real passion. I have been
out a few times to look for them, but Canada is not the best place in the
world for that. But I have recently been extremely lucky in the Glorieta
Mountain strewnfield.

Some of you might have already stumbled across my website - it has been up
for about two years now. I have been working feverishly for the past few
weeks on a complete revamp, bringing it up to date. If you are interested,
please check it out at:
www.pallasite.ca
Hopefully you will not find too many errors and omissions, but if you do,
please point them out to me! I would really appreciate it!

So, happy collecting to us all. Let the meteorites fall where they may. and
let's go get them!!!
See you all in Ensisheim!
Regards...,...
--
Patrick
www.pallasite.ca
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--
No virus found in this incoming message.
Checked by AVG Free Edition.
Version: 7.5.472 / Virus Database: 269.8.13/840 - Release Date: 08-06-2007 
15:15


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[meteorite-list] Mars Rover Finds 'Puddles' On The Planet's Surface

[Ron Baalke]

http://space.newscientist.com/article/dn12026-mars-rover-finds-puddles-on-the-planets-surface.htm

Mars rover finds "puddles" on the planet's surface
David Chandler
New Scientist
08 June 2007

A new analysis of pictures taken by the exploration rover Opportunity
reveals what appear to be small ponds of liquid water on the surface of
Mars.

The report identifies specific spots that appear to have contained
liquid water two years ago, when Opportunity was exploring a crater
called Endurance. It is a highly controversial claim, as many scientists
believe that liquid water cannot exist on the surface of Mars today
because of the planet's thin atmosphere.

If confirmed, the existence of such ponds would significantly boost the
odds that living organisms could survive on or near the surface of Mars,
says physicist Ron Levin, the report's lead author, who works in
advanced image processing at the aerospace company Lockheed Martin in
Arizona.

Along with fellow Lockheed engineer Daniel Lyddy, Levin used images from
the Jet Propulsion Laboratory's website. The resulting stereoscopic
reconstructions, made from paired images from the Opportunity rover's
twin cameras, show bluish features that look perfectly flat. The
surfaces are so smooth that the computer could not find any surface
details within those areas to match up between the two images.

The imaging shows that the areas occupy the lowest parts of the terrain.
They also appear transparent: some features, which Levin says may be
submerged rocks or pebbles, can be seen below the plane of the smooth
surface.

Smooth surface

The smoothness and transparency of the features could suggest either
water or very clear ice, Levin says.

"The surface is incredibly smooth, and the edges are in a plane and all
at the same altitude," he says. "If they were ice or some other
material, they'd show wear and tear over the surface, there would be
rubble or sand or something."

His report was presented at a conference of the Institute of Electrical
and Electronics Engineers, and will be published later this year in the
institute's proceedings.

No signs of liquid water have been observed directly from cameras on the
surface before. Reports last year pointed to the existence of gullies on
crater walls where water appears to have flowed in the last few years,
as shown in images taken from orbit, but those are short-lived flows,
which are thought to have frozen over almost immediately.

Speedy evaporation?

Levin and other reasearchers, including JPL's Michael Hecht, have
published calculations showing the possibility of "micro-environments"
where water could linger, but the idea remains controversial.

"The temperatures get plenty warm enough, but the Mars atmosphere is
essentially a vacuum," says Phil Christensen of Arizona State
University, developer of the Mars rovers' mini-Thermal Emission
Spectrometers. That means any water or ice exposed on the surface
evaporates or sublimes away almost instantly, he says.

But, he adds, "it is theoretically possible to get liquid water within
soil, or under other very special conditions". The question is just how
special those conditions need to be, and whether they ever really are
found on Mars today.

If there were absolutely no wind, says Christensen, you might build up a
stagnant layer of vapour above a liquid surface, preventing it from
evaporating too fast. "The problem is, there are winds on Mars... In the
real world, I think it's virtually impossible," he told New Scientist.

Simple test

Levin disagrees. He says his analysis shows that there can be wind-free
environments at certain times of day in certain protected locations. He
thinks that could apply to these small depressions inside the sheltered
bowl of Endurance crater, at midday in the Martian summer.

He adds that highly briny water, as is probably found on Mars, could be
stable even at much lower temperatures.

Although the rover is now miles away from this site, Levin proposes a
simple test that would prove the presence of liquid if similar features
are found: use the rover's drill on the surface of the flat area. If it
is ice, or any solid material, the drill will leave unmistakable
markings, but if it is liquid there should be no trace of the drill's
activity.

Levin's father Gilbert was principal investigator of an experiment on
the Viking Mars lander, which found evidence for life on the planet,
although negative results from a separate test for organic materials led
most scientists to doubt the evidence for biology.

Journal reference: R. L. Levin and Daniel Lyddy, Investigation of
possible liquid water ponds on the Martian surface (2007 IEEE Aerospace
Applications Conference Proceedings, paper #1376, to be published in
IEEE Xplore )

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[meteorite-list] Three New Papers on Mythology and Meteorites

[Paul]

Dear Friends,

The Geological Society of London has a new book concerning
the potential of myth to yield clues to geologic processes
and past geologic events. It is:

Piccardi, L., and W.B. Masse, 2007, Myth and Geology.
Geological Society of London Special Publication no. 273.

http://sp.lyellcollection.org/content/vol273/issue1/

10-Digit ISBN: 1-86239-216-1
13-Digit ISBN: 978-1-86239-216-8
Three of the papers in this book are related to mythology and
either meteorites of extraterrestrial impacts. They are:

1. Myth and catastrophic reality: using myth to identify 
cosmic impacts and massive Plinian eruptions in Holocene 
South America by W. Bruce Masse1 & Michael J. Masse.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/177

2. Cosmogenic mega-tsunami in the Australia region: are 
they supported by Aboriginal and Maori legends? by E. 
Bryant, G. Walsh & D. Abbott.

http://sp.lyellcollection.org/cgi/content/abstract/273/1/203

3. Meteorite records in the ancient Greek and Latin 
literature: between history and myth by Massimo D'Orazio

http://sp.lyellcollection.org/cgi/content/abstract/273/1/215

The PDF files of these articles can be downloaded
for free until June 18th.

Best

Paul H.



   

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[meteorite-list] Fwd: Re: Rusty droplets

[Thomas Webb]

--- Thomas Webb <[EMAIL PROTECTED]> wrote:

> Date: Fri, 8 Jun 2007 09:55:35 -0700 (PDT)
> From: Thomas Webb <[EMAIL PROTECTED]>
> Subject: Re: [meteorite-list] Rusty droplets
> To: mark ford <[EMAIL PROTECTED]>,
> meteorite-list@meteoritecentral.com
> 
> 'Iso' means "equal"!
>   Thomas 
>   
> 
> mark ford <[EMAIL PROTECTED]> wrote:
>   Iso means 'pure' ...
> 
> Mark
> 
> -Original Message-
> From: Pete Pete [mailto:[EMAIL PROTECTED] 
> Sent: 08 June 2007 13:13
> To: mark ford; [EMAIL PROTECTED];
> Meteorite-list@meteoritecentral.com
> Subject: Re: [meteorite-list] Rusty droplets
> 
> Mark wrote:
> ..."Iso-alcohol (pure ethanol)"...
> 
> Hi, all,
> 
> I'm not a chemist, but the way you wrote that, it
> might be
> misinterpreted by 
> some to identify Isopropyl alcohol is the same as
> Ethanol, which it's
> not.
> The connection to each other is that both have been
> referred to as
> "rubbing 
> alcohol".
> 
> Cautions when using either with meteorites:
> 
> Don't use the 70% isopropyl - the 30% is water,
> which is what you want
> to 
> avoid. I use the 99% isopropyl and 95% ethanol
> without any ill effect
> seen 
> on the stones.
> 
> They are more flammable in these purer forms, so
> ventilate!
> 
> The fumes of isopropyl are poisonous! Ventilate.
> 
> Cheers,
> Pete
> 
> 
> 
> 
> From: "mark ford" 
> To: "giovannisostero" 
> ,
> Subject: Re: [meteorite-list] Rusty droplets
> Date: Fri, 8 Jun 2007 09:14:57 +0100
> 
> Hi Giovani,
> 
> Yes firstly take them out of plastic! Any
> moisture/chemicals trapped in
> the rock will stay in the rock if it is in plastic,
> you only want to put
> dry, stable material into plastic boxes, (or use
> dessicant/silica gel
> with the rock and recharge it regularly).
> 
> As Adam suggested you can also use Iso-alcohol (pure
> ethanol) it's good
> for getting rid of moisture in extreme cases but
> make sure it is 'pure
> anhydrous alcohol' or you will be putting more water
> in than you take
> out! - also gently warm the slice afterwards to
> drive off any moisture
> then sand with very very fine sanding paper.
> 
> They also preferably need to be kept somewhere dry
> like inside a cabinet
> with dessicators inside, or better still a
> dehumidifier.
> 
> Most slices reach a stable point eventually once you
> have done this!
> 
> Best
> Mark Ford
> 
> 
> 
> 
> 
> -Original Message-
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED]
> On Behalf Of
> giovannisostero
> Sent: 07 June 2007 19:15
> To: meteorite-list
> Subject: [meteorite-list] Rusty droplets
> 
> Hi,
> I noticed that a coupled of slices (Ghubara and NWA
> 869) I bought few
> months ago from two different dealers, are producing
> some small liquid
> droplets of rusty appearance. After cleaning, the
> droplets develope
> again in a matter of few weeks. Any idea about how
> to cure it? The
> samples are stored in plastic envelopes but without
> any particular
> desicant.
> Cheers,
> Giovanni
> 
> 
>
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> 
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> 
> 
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> 
>
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> storage and features. 
> www.newhotmail.ca?icid=WLHMENCA149
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> 
> 
>
> -
> Got a little couch potato? 
> Check out fun summer activities for kids.



   

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Re: [meteorite-list] New Website

[info]

Hey Steve, thank you for your kind words.
I do have a few Gao specimens, plese find them under H5 or search for Gao!
But if you have a really nice one, I might be interested! I am sure you 
would agree, one can never have enough Gao!!!
Regards...,...
--
Patrick
www.pallasite.ca

-- Original Message ---
From: steve arnold <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
Sent: Fri, 8 Jun 2007 11:19:56 -0700 (PDT)
Subject: Re: [meteorite-list] New Website

> Hi pat,steve arnold here.Very nice website.Hey I see
> you have no gao.If you ever want a nice piece,I could
> sell you one.Again great site.
> 
> Steve R.Arnold,chicago,Ill,Usa!!
>   Collecting Meteorites since 06/19/1999!!
>   chicagometeorites.net.Specializing
>   in Gao Meteorites!
>   Ebay I.D. Illinoismeteorites
> 
> 
_
___
> Don't get soaked.  Take a quick peak at the forecast
> with the Yahoo! Search weather shortcut.
> http://tools.search.yahoo.com/shortcuts/#loc_weather
--- End of Original Message ---

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[meteorite-list] Rocks that play "hard to get"

[mexicodoug]

Hello friends on the list,

I just wanted to send a message to remind everyone that meteorites are 
masters of playing hard to get, which is an important reason why we 
treasure them!  All ok, hope to have a real Internet connection soon, I 
currently have very limited email access so if I´ve delayed, please let 
me apologise.  Now to cure the hunting wounds sunburn, wind burn and 
get back to business ... errr ... maybe that should be "pleasure".  
Here´s wishing all of you fine folks a great Ensisheim or wherever you 
might be!
Best Health and Fine Wishes from the sweltering inferno we few imagine 
meteorite heaven,

Doug

Check Out the new free AIM(R) Mail -- 2 GB of storage and 
industry-leading spam and email virus protection.

=0
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[meteorite-list] New Website

[info]

Hello Listoids.
I have been a lurker on this list for some time. I enjoy the Good, the Bad 
and the Ugly!

Now I would like to take this opportunity to introduce myself to The List. I 
am a collector in Canada and I have been collecting meteorites for a few 
years now. I try to focus on Pallasites, but I have been collecting whatever 
comes my way. 

Meteorites have turned from a hobby of mine into a real passion. I have been 
out a few times to look for them, but Canada is not the best place in the 
world for that. But I have recently been extremely lucky in the Glorieta 
Mountain strewnfield.

Some of you might have already stumbled across my website - it has been up 
for about two years now. I have been working feverishly for the past few 
weeks on a complete revamp, bringing it up to date. If you are interested, 
please check it out at: 
www.pallasite.ca
Hopefully you will not find too many errors and omissions, but if you do, 
please point them out to me! I would really appreciate it!

So, happy collecting to us all. Let the meteorites fall where they may… and 
let’s go get them!!!
See you all in Ensisheim!
Regards...,...
--
Patrick
www.pallasite.ca
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Re: [meteorite-list] Ad Bassikounou

[info]

Hi Mike, others

it might be heplful to comment that the fall was on October 16 at 04:00 hrs and 
not on October 12. October 16 is what the official sources  and the 
eyewittnesses say. They should know.

Only the Mauretanian seller of the 3kg mass that first came to the attention of 
the public claims that the fall occured on October 12. 

Dr. Beda Hofmann from the University of Bern, Switzerland, who did the 
classification, is informed and we provided him with the official Mauretanian 
press releases.

I reccomend to be careful with multiplying inofficial information or 
alternatively confirm them with the author before spreading, in this case with 
Dr. Beda Hofmann .

Meteorite Recon will publish a report on the fall including official sources 
soon.

best regards

Svend

www.niger-meteorite-recon.de


Hi All
I just picked up a really nice lot of the new fall from Mauretania,
Bassikounou. It fell Oct. 12, 2006, 04:00 hrs.
The lot has several nice whole fully crusted stones that are really
beautiful. So make sure you check them out even if you are not
interested in buying any.
I have already sold several of the smaller stones on my Jensen
Meteorites sales list but there are still a couple of larger choice
pieces left for sale.
http://jensenmeteorites.com/Seymchan.htm
Please email me at [EMAIL PROTECTED] with any questions.

Here is my sales list if you want first shot at all my offers;
http://groups.yahoo.com/group/Jensen-Meteorites/
Thanks for looking.

Mike

--
Mike Jensen
Jensen Meteorites
16730 E Ada PL
Aurora, CO 80017-3137
303-337-4361
IMCA 4264
website: www.jensenmeteorites.com
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-- 
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[meteorite-list] Port Orford Meteorite

[AL Mitterling]

Listoids,

In the May issue of Meteorite Magazine, there is an excellent article 
about the Port Orford Meteorite by Doug Borgard. Doug relates many of 
the issues I have brought up over the last several years in regards to 
the official Publication that it was a hoax. While it may have been a 
hoax, I think that Doug's article has exonerated John Evans, who I feel 
did his part and was an innocent party to this allege hoax.


There is a second part that will be published in the August issue of 
Meteorite. Don't know what Doug will say but if he has found some of the 
same material that a friend of mine who research this very thoroughly, 
there may be reference to Jackson who in my opinion had been unfairly 
treated at that time. He was undermined by those he hired and lost a job 
from the government. It is my believe that he had reasons to plant the 
imilac in place of the newly found Port Orford pieces. Perhaps he wanted 
to search, recover, or find this for himself and sell it to the 
government to make them pay. There is certainly a motive here. There are 
other scenarios also.


In this article I believe that the real truth of the matter is 
brilliantly argued, mistakes by writers of the "John Evans and the Port 
Orford Meteorite Hoax" are cut to the bone and that a better explanation 
is given. One of the mistakes the investigator made was being on the 
wrong mountain. No wonder they didn't find anything. While I maintain 
this still could be a hoax, I in no way believe that John Evans had 
anything to do with that and better research was needed to explain 
things than was done.


I look forward to the next installment of Doug's article.

--AL Mitterling
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[meteorite-list] Nevadameteorites Picture of the day, Nevada's largest chondrite find !

[wahlperry]

Hi ,

I would like to show one of the new Cold finds from this year,I have 
recovered 120 lbs. It Nevada's largest chondrite recovered to date. The 
meteorite was recovered over a small area, with most of the larger 
pieces buried. The meteorite is being classified at this time. The 
picture is at the bottom of the page.


http://nevadameteorites.com/recent_fids_page_2.htm


Thanks,

Sonny



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Re: [meteorite-list] Ad Bassikounou

[Mike Jensen]

Hi All
I just picked up a really nice lot of the new fall from Mauretania,
Bassikounou. It fell Oct. 12, 2006, 04:00 hrs.
The lot has several nice whole fully crusted stones that are really
beautiful. So make sure you check them out even if you are not
interested in buying any.
I have already sold several of the smaller stones on my Jensen
Meteorites sales list but there are still a couple of larger choice
pieces left for sale.
http://jensenmeteorites.com/Seymchan.htm
Please email me at [EMAIL PROTECTED] with any questions.

Here is my sales list if you want first shot at all my offers;
http://groups.yahoo.com/group/Jensen-Meteorites/
Thanks for looking.

Mike

--
Mike Jensen
Jensen Meteorites
16730 E Ada PL
Aurora, CO 80017-3137
303-337-4361
IMCA 4264
website: www.jensenmeteorites.com
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[meteorite-list] June Meteorite-Times is now up!

[Paul Harris]

Hello Everyone,

The June issue of Meteorite-Times is now up.

http://www.meteorite-times.com/

Enjoy!

Paul and Jim
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Re: [meteorite-list] need info composition of lunar meteorites

[MARK BOSTICK]

Thanks for your comments Norbert, Dan and Mike,

Dan, I am having a problem with my Cox account but your issue has been 
addressed.


While I do not find the auction to be misleading, I would add a note to 
please you, but eBay will not let me. The new format does not seem to be 
without it's errors.


Clear Skies,
Mark Bostick





Hi Dan,

I'm pretty sure that he meant anorthite (the mineral), and not anorthosite
(the rock type) - it's easy to confuse the two, especially if you consider
that most list members or hobby meteorite enthusiasts are no mineralogists,
or petrologists.

That being said, anorthosite was certainly not found in all rocks returned
from the Moon, but if you say "anorthitic placioclase" that would make
perfect sense, even for the lunar mare basalts. It would also make sense to
say that most of the ancient lunar crust (the lunar highlands) is composed
primarily of anorthositic rocks and breccias - many meteoriticists use the
term "anorthositic" but also the term "feldspatic" when it comes to the
classification of lunar rocks as you will see if you study Randy Korotev's
great site about lunar meteorites (the best one around):

http://meteorites.wustl.edu/lunar/moon_meteorites.htm

To quote Randy Korotev: "Lunar rocks are classified by what minerals they
contain (mineralogy), how the mineral grains are put together (texture), how
the rock formed (petrology), and chemical composition (chemistry). These
different parameters sometimes leads to confusion because a geochemist might
call a rock “feldspathic” (dominant mineral) or “aluminum rich,” (chemical
composition) while a petrologist might call it an “anorthosite” (mineral
proportions and implied mode of formation) or “regolith breccia” (texture
and and type of rock components)."

He also notes that not all petrologists (not to speak of mineralogists ,-)
do always easily agree on the classification on any given lunar rock (and
that's an understatement, IMHO). What I'm trying to say is that it's very
easy to make a small mistake in wording when it comes to this particular
field when even the scientists do not always agree on how to call a given
rock, and when he's used to hear terms like "anorthosite-bearing basaltic
regolith breccia" and the like which are commonly used when it comes to the
classification of lunar meteorites.

Hope this helps?

Best Regards from Germany,
Norbert Classen
Planetary Meteorites
www.meteoris.de

PS: I'm no mineralogist/petrologist, but merely an educated layman, and it
just happens that lunar meteorites are my favourite obsession...

-Ursprüngliche Nachricht-


Hi,

I joined this list at the behest of someone from the
IMCA based on concerns I have with something being
advertised as a meteorite.  Among other errors and
misstatements, the ad states that "Anorthosite was
found in all the rocks returned from the Moon..."  As
a mineralogist I find this difficult to believe.
Anorthosite is defined as a rock type that contains
>90% feldspar and is off-white in color, with perhaps
a few inclusions of other minerals.  On the other
hand, anorthite (note the subtle difference in
spelling) is a mineral species consisting of anorthite
feldspar, the calcic end member of the plagioclase
series.  To make things more confusing, anorthite
occurs as a component of anorthosite, but the two
words mean quite different things.

I sent two e-mails to the seller via eBay, and have
received no response.  I would have liked to think the
seller simply made some mistakes and listed a common
terrestrial rock as a meteorite, but the lack of
response gives me doubt.  However, I am also curious
about where he might have obtained the statement with
which I opened this note, as far as whether the
original publication indeed says "anorthite" and that
is simply a mistype on his part.

Thanks,
Dan


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[meteorite-list] Mars Odyssey THEMIS Images: June 4-8, 2007

[Ron Baalke]

MARS ODYSSEY THEMIS IMAGES
June 4-8, 2007

o Storm Season (Released 04 June 2007)
  http://themis.asu.edu/zoom-20070604a

o Channels Galore (Released 05 June 2007)
  http://themis.asu.edu/zoom-20070605a

o Candor Chasma Floor (Released 06 June 2007)
  http://themis.asu.edu/zoom-20070606a

o Mangala Vallis (Released 07 June 2007)
  http://themis.asu.edu/zoom-20070607a

o Landslide (Released 08 June 2007)
  http://themis.asu.edu/zoom-20070608a


All of the THEMIS images are archived here:

http://themis.asu.edu/latest.html

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission 
for NASA's Office of Space Science, Washington, D.C. The Thermal Emission 
Imaging System (THEMIS) was developed by Arizona State University,
Tempe, in co.oration with Raytheon Santa Barbara Remote Sensing. 
The THEMIS investigation is led by Dr. Philip Christensen at Arizona State 
University. Lockheed Martin Astronautics, Denver, is the prime contractor 
for the Odyssey project, and developed and built the orbiter. Mission 
operations are conducted jointly from Lockheed Martin and from JPL, a 
division of the California Institute of Technology in Pasadena. 


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[meteorite-list] Mars Exploration Rover Update - June 7, 2007

[Ron Baalke]

http://marsrovers.jpl.nasa.gov/mission/status.html#opportunity

OPPORTUNITY UPDATE: Checking Out New Driving Capabilities - sol
1194-1199, June 7, 2007:

Opportunity is healthy and continues to circumnavigate "Victoria Crater"
back toward "Duck Bay."

On sol 1194, Opportunity performed a Visual Target Tracking (VTT)
technology checkout (drive software) on a target called "Paloma." This
VTT checkout tested VTT in combination with other drive software,
Autonav and Visodom. The first segment was a blind (no Autonav or
Visodom) VTT drive to back away from the target. The second segment
combined VTT and Visodom to drive towards the target. The third segment
combined VTT and Autonav to continue driving towards the target.

Sol-by-sol summary:

Sol 1194: Opportunity took a tau measurement then had a look at the sky
and ground with its miniature thermal emission spectrometer. The rover
then stowed its arm and conducted a test of its new drive software, VTT
(visual target tracking). The VTT drive checkout was about 6.8 meters
(22 feet). Post-VTT drive, the rover took navigation camera images of
its tracks then drove about 30 meters (98 feet) and unstowed its arm.
After that drive, the rover took navigation camera images and a
post-drive panoramic camera image in the drive direction. Before the
Mars Odyssey pass, the rover took another tau measurement. During
Odyssey's pass, the rover again used its miniature thermal emission
spectrometer to look at the sky and ground

Sol 1195: On the morning of this sol, Opportunity took thumbnail images
of the sky with its panoramic camera. The rover then did a tau
measurement and followed that with an observation of the sky and ground
by the miniature thermal emission spectrometer.

Sol 1196: Opportunity took a morning panoramic camera image of the
horizon. The rover then took a tau measurement and used its miniature
thermal emission spectrometer to observe the local sky. Opportunity then
stowed its arm, drove and then unstowed its arm. After the drive, the
rover took navigation and panoramic camera images. Before the Odyssey
pass, the rover took a panoramic camera image. During the Odyssey pass,
the miniature thermal emission spectrometer had a look at the sky and
ground.

Sol 1197: In the morning of this sol, Opportunity monitored for dust.
Some regular checks were completed on the much-used miniature thermal
emission spectrometer.

Opportunity took a tau measurement and then used the miniature thermal
emission spectrometer to look at the sky. The panoramic camera then
looked at the local foreground using all 13 of its filters. The
miniature thermal emission spectrometer also had a look at the
foreground and, again, at the sky. The panoramic camera did a sky survey
at midday.

Sol 1198: On this sol, Opportunity took a tau measurement, then
calibrated its miniature thermal emission spectrometer. The rover then
stowed its arm, drove and took images with its hazard avoidance cameras.
Opportunity then unstowed its arm and took post-drive navigation and
panoramic camera images. During the Odyssey pass, Opportunity conducted
a routine utility test on its miniature thermal emission spectrometer.

Sol 1199: Opportunity's miniature thermal emission spectrometer took a
sky and ground observation. The panoramic camera took a tau measurement.
The miniature thermal emission spectrometer continued a day of hard
work, completing a systematic ground stare and a 7-point sky and ground
observation. The panoramic camera also conducted a systematic ground
survey of the local area using its 13 filters.

Opportunity's total odometry as of sol 1197 is 11,108 meters (6.90 miles).

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Re: [meteorite-list] Moqui Marbles

[E.P. Grondine]

Hi all - 

Are the "moqui marbles" truly analogues for the
"blueberries" on Mars?

On the Earth we have found smaller spheres which are
the product of the condensation of vaporized material
from impacts.  These spheres are different from
tektites.  Could this mechanism be behind the
"blueberries" on Mars?

In arguing for water precipitation as the fomation
mechanism, the problem would seem to be finding
perfectly spherical gas pockets for the condensation
to take place in. While Moqui marbles have
non-spherical analogues, the "blueberries" on Mars do
not. 

Ed


   

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Re: [meteorite-list] Rusty droplets

[Pete Pete]

An education for me, too!


From: "mark ford" <[EMAIL PROTECTED]>
To: "Pete Pete" <[EMAIL PROTECTED]>,
Subject: RE: [meteorite-list] Rusty droplets
Date: Fri, 8 Jun 2007 13:22:24 +0100

Iso means 'pure' ...

Mark

-Original Message-
From: Pete Pete [mailto:[EMAIL PROTECTED]
Sent: 08 June 2007 13:13
To: mark ford; [EMAIL PROTECTED];
Meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Rusty droplets

Mark wrote:
..."Iso-alcohol (pure ethanol)"...

Hi, all,

I'm not a chemist, but the way you wrote that, it might be
misinterpreted by
some to identify Isopropyl alcohol is the same as Ethanol, which it's
not.
The connection to each other is that both have been referred to as
"rubbing
alcohol".

Cautions when using either with meteorites:

Don't use the 70% isopropyl - the 30% is water, which is what you want
to
avoid. I use the 99% isopropyl and 95% ethanol without any ill effect
seen
on the stones.

They are more flammable in these purer forms, so ventilate!

The fumes of isopropyl are poisonous! Ventilate.

Cheers,
Pete




From: "mark ford" <[EMAIL PROTECTED]>
To: "giovannisostero"
<[EMAIL PROTECTED]>,
Subject: Re: [meteorite-list] Rusty droplets
Date: Fri, 8 Jun 2007 09:14:57 +0100

Hi Giovani,

Yes firstly take them out of plastic! Any moisture/chemicals trapped in
the rock will stay in the rock if it is in plastic, you only want to put
dry, stable material into plastic boxes, (or use dessicant/silica gel
with the rock and recharge it regularly).

As Adam suggested you can also use Iso-alcohol (pure ethanol) it's good
for getting rid of moisture in extreme cases but make sure it is 'pure
anhydrous alcohol' or you will be putting more water in than you take
out! - also gently warm the slice afterwards to drive off any moisture
then sand with very very fine sanding paper.

They also preferably need to be kept somewhere dry like inside a cabinet
with dessicators inside, or better still a dehumidifier.

Most slices reach a stable point eventually once you have done this!

Best
Mark Ford





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
giovannisostero
Sent: 07 June 2007 19:15
To: meteorite-list
Subject: [meteorite-list] Rusty droplets

Hi,
I noticed that a coupled of slices (Ghubara and NWA 869) I bought few
months ago from two different dealers, are producing some small liquid
droplets of rusty appearance. After cleaning, the droplets develope
again in a matter of few weeks. Any idea about how to cure it? The
samples are stored in plastic envelopes but without any particular
desicant.
Cheers,
Giovanni


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Re: [meteorite-list] Rusty droplets/AD

[AL Mitterling]

Hi All,

You can also purchase one or more of my new Meteorite Dry products and 
place in your display cabinet. I've been experimenting with these in my 
own cabinets. They are basically dessicant/silica gel with mostly white 
crystals but I have added enough of the blue crystals that they "turn 
color" when they become moist. Since they are in a perforated tube with 
caps it allows the drier to do it's job without coming into contact with 
the meteorites.


I'd say the draw back (if it is any at all) is having to pull the end 
off a tube, place the dessicant in a pan and place in a pre-heated oven 
at about 350 degrees for about a half hour or less so you can re-use 
over and over. They seem to fit well into my crowed cases and although I 
have done a good job at keeping specimens, I have found these are still 
pulling some humidity from the cases over a period of time despite my 
precautions.


My initial offering of these had a fair turn out but I thought more 
people would be interested in these and protecting specimens. I was 
expecting more responses than I received. If anyone is interested in 
these please contact me off list.


Some meteorites are rust prone, Ghubara is one of them. Even under 
perfect preparation methods if not properly kept they will still oxidize 
as the oxygen molecules attach themselves to the iron in specimens. 
Living in a low humidity climate helps but a lot of us don't have that 
option and so keeping specimens as dry as possible is the best answer. 
All my best!


--AL Mitterling
Mitterling Meteorites

mark ford wrote:

> <>or use dessicant/silica gel with the rock and recharge it regularly).
>
> They also preferably need to be kept somewhere dry like inside a cabinet
> with dessicators inside, or better still a dehumidifier.
>
> Most slices reach a stable point eventually once you have done this!
>
> Best
> Mark Ford

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Re: [meteorite-list] Rusty droplets

[mark ford]

Iso means 'pure' ...

Mark

-Original Message-
From: Pete Pete [mailto:[EMAIL PROTECTED] 
Sent: 08 June 2007 13:13
To: mark ford; [EMAIL PROTECTED];
Meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Rusty droplets

Mark wrote:
..."Iso-alcohol (pure ethanol)"...

Hi, all,

I'm not a chemist, but the way you wrote that, it might be
misinterpreted by 
some to identify Isopropyl alcohol is the same as Ethanol, which it's
not.
The connection to each other is that both have been referred to as
"rubbing 
alcohol".

Cautions when using either with meteorites:

Don't use the 70% isopropyl - the 30% is water, which is what you want
to 
avoid. I use the 99% isopropyl and 95% ethanol without any ill effect
seen 
on the stones.

They are more flammable in these purer forms, so ventilate!

The fumes of isopropyl are poisonous! Ventilate.

Cheers,
Pete




From: "mark ford" <[EMAIL PROTECTED]>
To: "giovannisostero" 
<[EMAIL PROTECTED]>,
Subject: Re: [meteorite-list] Rusty droplets
Date: Fri, 8 Jun 2007 09:14:57 +0100

Hi Giovani,

Yes firstly take them out of plastic! Any moisture/chemicals trapped in
the rock will stay in the rock if it is in plastic, you only want to put
dry, stable material into plastic boxes, (or use dessicant/silica gel
with the rock and recharge it regularly).

As Adam suggested you can also use Iso-alcohol (pure ethanol) it's good
for getting rid of moisture in extreme cases but make sure it is 'pure
anhydrous alcohol' or you will be putting more water in than you take
out! - also gently warm the slice afterwards to drive off any moisture
then sand with very very fine sanding paper.

They also preferably need to be kept somewhere dry like inside a cabinet
with dessicators inside, or better still a dehumidifier.

Most slices reach a stable point eventually once you have done this!

Best
Mark Ford





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
giovannisostero
Sent: 07 June 2007 19:15
To: meteorite-list
Subject: [meteorite-list] Rusty droplets

Hi,
I noticed that a coupled of slices (Ghubara and NWA 869) I bought few
months ago from two different dealers, are producing some small liquid
droplets of rusty appearance. After cleaning, the droplets develope
again in a matter of few weeks. Any idea about how to cure it? The
samples are stored in plastic envelopes but without any particular
desicant.
Cheers,
Giovanni


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Re: [meteorite-list] Rusty droplets

[Pete Pete]

Mark wrote:
..."Iso-alcohol (pure ethanol)"...

Hi, all,

I'm not a chemist, but the way you wrote that, it might be misinterpreted by 
some to identify Isopropyl alcohol is the same as Ethanol, which it's not.
The connection to each other is that both have been referred to as "rubbing 
alcohol".


Cautions when using either with meteorites:

Don't use the 70% isopropyl - the 30% is water, which is what you want to 
avoid. I use the 99% isopropyl and 95% ethanol without any ill effect seen 
on the stones.


They are more flammable in these purer forms, so ventilate!

The fumes of isopropyl are poisonous! Ventilate.

Cheers,
Pete




From: "mark ford" <[EMAIL PROTECTED]>
To: "giovannisostero" 
<[EMAIL PROTECTED]>,

Subject: Re: [meteorite-list] Rusty droplets
Date: Fri, 8 Jun 2007 09:14:57 +0100

Hi Giovani,

Yes firstly take them out of plastic! Any moisture/chemicals trapped in
the rock will stay in the rock if it is in plastic, you only want to put
dry, stable material into plastic boxes, (or use dessicant/silica gel
with the rock and recharge it regularly).

As Adam suggested you can also use Iso-alcohol (pure ethanol) it's good
for getting rid of moisture in extreme cases but make sure it is 'pure
anhydrous alcohol' or you will be putting more water in than you take
out! - also gently warm the slice afterwards to drive off any moisture
then sand with very very fine sanding paper.

They also preferably need to be kept somewhere dry like inside a cabinet
with dessicators inside, or better still a dehumidifier.

Most slices reach a stable point eventually once you have done this!

Best
Mark Ford





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
giovannisostero
Sent: 07 June 2007 19:15
To: meteorite-list
Subject: [meteorite-list] Rusty droplets

Hi,
I noticed that a coupled of slices (Ghubara and NWA 869) I bought few
months ago from two different dealers, are producing some small liquid
droplets of rusty appearance. After cleaning, the droplets develope
again in a matter of few weeks. Any idea about how to cure it? The
samples are stored in plastic envelopes but without any particular
desicant.
Cheers,
Giovanni


--
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Re: [meteorite-list] Rusty droplets

[giovannisostero]

AAARRGH, the infamous lawrencite disease! I read about it, but always 
considered that it affects irons or stony-irons only, not condrites. Thanks a 
lot for your suggestions, I will take care about my cuties...
Cheers,
Giovanni


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[meteorite-list] how to get to Ensisheim

[Zelimir Gabelica]

Hello Graham, List

Graham, glad to read that you can confirm your coming!

You are warmly welcome and I'll try to convince you that all is very easy 
and informal here. Tucson may have several hundreds of thousands of people 
and is extended in surface (I was there in...1986) but Ensisheim is small 
(about 6000 people) and all the houses are about grouped around the church, 
that is located just next to the Regency palace. The church can be seen 
from the surrounding plain and fields when you head towards the city by 
car. Impossible to miss the Regency (& church) and all is duly indicated by 
posts.


Well, this is if you come by car. Ensisheim is the first exit when you 
drive North from Mulhouse towards Stasbourg. If you land in Basel (about 20 
km from Mulhouse) and rent a car, it is the same. You just head to Mulhouse 
then take the diversion towards Stasbourg and Colmar (another highway, well 
indicated).
If you come by train to Mulhouse (16 km from Ensisehim) from either Basel 
or Paris, then there could be a problem as the bus service is "very 
confidential" (at the best one per day!).

Then taking a taxi is the best tip.
In case, tell us when your train comes and possibly we could arrange some 
"private shuttle", although this is not very likely as we are very very 
busy from wednesday on.


Regarding the dinner-party, all is easy as well. Just tell me how many people.
I note here your two names, that's all. It's reserved.
Don't worry about vegetarian alternative, some extra meat-free meal can be 
prepared by the friendly owner (also cook) of "La Couronne". You just have 
to ask when you show up.


Nothing else has to be booked in advance (except sale tables), all is free 
to decide when you want, the way you want. I always try the simplest and 
the most flexible way as it always proved to be the most efficient.
In case, when on site, ask questions to the organizing committee (we will 
wear specific badges).


All other onfo (locations, hotels, events, lectures...) you worried about 
can be found in the circular that I am enclosing for you (I'll send again 
the same mail only to you as attachments can't be sent to the list).
And if you wish maps, ask our friend "Google" (or alike) by typing 
"Ensisehim". A small map can be also found on our web site (indicated on 
the circular).


I hope that now, free from most of the stress, you will show relax, up with 
your best smile!


To the list:
another visitor just anounced his coming: Aziz Habibi. At least for the 
Friday party.


Best,

Zelimir




A 01:15 08/06/2007 +0100, ensoramanda a écrit :

Hi Zelimir,

Looking forward to my first time in Ensisheim...should be good follow up 
to Tucson.


Thanks for the latest information.  How do I go about booking for the meal 
on the Friday night...do we do it through youif so I would like to 
book 2 places (what is the cost?).  One problem however may be the menu..I 
am looking forward to the wild boar but...my nephew, who will be with me, 
is vegetarian.!!
Do you know if vegetarians are catered for at the meal...if not I fear 
that we may not be able to join in the fun.


Could you please let me know about booking and the menu if possible, or 
who to contact if you do not know.


Also what other events would need to be booked in advance? ...or can most 
things be attended without? Does anyone produce a map of venues/locations 
for eg. the Ensisheim meteorite and associated events, lectures, Regency 
room etc?


Sorry for all the extra questions but as it is our first visit I wanted to 
be well prepared as I feel I wasted a lot of time in Tucson just looking 
for places.


Thanks again for all the info so far.

All the best

Graham Ensor, Nr Barwell UK


Prof. Zelimir Gabelica
Université de Haute Alsace
ENSCMu, Lab. GSEC,
3, Rue A. Werner,
F-68093 Mulhouse Cedex, France
Tel: +33 (0)3 89 33 68 94
Fax: +33 (0)3 89 33 68 15


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Re: [meteorite-list] Rusty droplets

[mark ford]

Hi Giovani,

Yes firstly take them out of plastic! Any moisture/chemicals trapped in
the rock will stay in the rock if it is in plastic, you only want to put
dry, stable material into plastic boxes, (or use dessicant/silica gel
with the rock and recharge it regularly).

As Adam suggested you can also use Iso-alcohol (pure ethanol) it's good
for getting rid of moisture in extreme cases but make sure it is 'pure
anhydrous alcohol' or you will be putting more water in than you take
out! - also gently warm the slice afterwards to drive off any moisture
then sand with very very fine sanding paper.

They also preferably need to be kept somewhere dry like inside a cabinet
with dessicators inside, or better still a dehumidifier.

Most slices reach a stable point eventually once you have done this!

Best
Mark Ford





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
giovannisostero
Sent: 07 June 2007 19:15
To: meteorite-list
Subject: [meteorite-list] Rusty droplets

Hi,
I noticed that a coupled of slices (Ghubara and NWA 869) I bought few
months ago from two different dealers, are producing some small liquid
droplets of rusty appearance. After cleaning, the droplets develope
again in a matter of few weeks. Any idea about how to cure it? The
samples are stored in plastic envelopes but without any particular
desicant.
Cheers,
Giovanni


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[meteorite-list] cleveland, ga

[bernd . pauli]

Hi AL, Harlan and List,

"There is a Cleveland, Tennessee, medium octahedrite ..."

.. AKA the Whitfield Iron (=> Whitfield County)

Bernd

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