Re: [meteorite-list] Rust needed :)

2005-11-06 Thread Martin Altmann
Wow Marcin,

do you have a date? A girl who likes dirt
I imagine you hanging your Droninos in the kitchen over the hob, when you're
preparing the food for a candle light dinner
and grinding down the coating from Brahin for a later sauna round...strange,
but romantic!

I keep my fingers crossed,
Buckleboo


- Original Message - 
From: Meteoryt.net [EMAIL PROTECTED]
To: Meteorite-list@meteoritecentral.com
Sent: Saturday, November 05, 2005 9:42 PM
Subject: [meteorite-list] Rust needed :)


 Hello
 I have verry strange request. I need RUST ! No, Im not drunk :-)
 We have here nice girl (student, Member of Polish Met.Soc.) who study rust
 on meteorites and they phases. Becouse girls are rare specimens in out
 community I want to ask You for help with her work.

 She need all kinds of rust and weathered parts from iron meteorites. Not
 matter how ugly it is or how many grams. She will be happy from all
samples.
 We just suply her with many samples from Morasko, Campo, Nantan etc. But
if
 anyone have some ugly rust, please dont throw it away, send it to me via
 cheapest possible mail.

 Thanks to all for help.

 -[ MARCIN CIMALA ]-[ I.M.C.A.#3667 ]-
 http://www.Meteoryt.net [EMAIL PROTECTED]
 http://www.PolandMET.com   [EMAIL PROTECTED]
 http://www.Gao-Guenie.com  GSM +48(607)535 195
 [ Member of Polish Meteoritical Society ]

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[meteorite-list] AD - Sunday auctions ending soon!

2005-11-06 Thread Gi-po Meteorites

Hello List,

it's sunday and some of our auctions are ending.
This weekend have a etched  Brahin, Seymchan, Franconia, nice 
unclassified stuff,
Dhofars (whole pieces), our new beautiful Rumuruti (NWA 2943), L3.3, 
Capot Rey IMB and H5...


Worth a  look!

http://search.ebay.com/_W0QQfgtpZ1QQfrppZ25QQsassZgipometeorites

Thanks for viewing!

Carsten

www.gi-po.de


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[meteorite-list] Sikhote Question

2005-11-06 Thread bernd . pauli
Jeff N. wrote:

Now I've come across something really interesting: it appears to be a normal 
shrapnel
fragment, weight 266.4 grams, except it has a very distinct impact pit and 
splash rim.
It seems to me that an impact pit could only have been formed during flight, 
meaning
some 'pure' shrapnel pieces must therefore have been created by mid-air 
fragmentation,
not  explosive fragmentation upon impact.


Hello Jeff N., Jeff K. and List,

Buchwald about this surface morphologic feature:

BUCHWALD V.F. (1975) Iron Meteorites (Univ. of California, 1975, Vol.3, pp. 
1123-1130):

Solitary, round-floored circular depressions 1-8 mm in diameter and ringed by 
high-relief
rims occur on fusion-crusted individuals and on at least one shrapnel fragment.

We interpret these features as impact craters resulting from high-velocity 
collisions between
meteoritic particles during the * l a t e s t   s t a g e s * of atmospheric 
flight. Although
crater-like bubbles might develop within a fusion crust, during skin heating by 
atmospheric
friction, craters emplaced on fusion-free shrapnel fragments had to have formed 
later, after
atmospheric penetration had already violently disrupted a larger body.

Local conditions during the Sikhote-Alin event included thousands of Fe 
projectiles infalling
into an environment already populated with high-speed Fe and rock ejecta 
fragments from craters
still being formed on the ground.


Cheers,

Bernd

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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Kevin Forbes



G'day list, my feelings on unclassified NWA's.
This repsents the ultimate rape of science.
What can be told about an unclassified NWA.
In short, nothing, apart from, I think it is a meteorite and I think it came 
from somewhere in Nth West Africa.
You wouldn't know if it was part of a large or small fall, since no details 
on it's find location are noted.

You wouldn't know if you had a highly altered chondrite or an achondrite.
The nation where the item was found has also lost part of its own national 
treasure as an undocumented theft.
Meteorites provide an insight to the wonders of our universe, and all 
information should be documented. These items are generally sliced up and 
sold before they are ever ( and in most cases never studuied ) studied by 
anyone anywhere. Think of all the lost knowledge humanity as a whole is 
suffering because of this. Think of all of the thousands of kilos of stones 
that may unlock some secret of the universe or our solar systems formation, 
that will never ever come to light because they sit on a shelf at a 
collectors home, never to be studied. Shame world, shame.
Should a NWA be studied and found to be an insight to something, can we go 
and get more of it. NO, we have no idea of where it came from or how much of 
it made land fall.

For example.,
What is the Lat. and Lon. the specimen was found at? Unknown.
What is the country of origin? Unknown.
Who found it? Unknown.
When was it found? Unknown.
What was the total mass of the fall? Unkown.
What is the area of material distribution? (Fall ellipse). Unknown.

I collect the occasional unclassified NWA with the intention of forwarding 
them to the correct places and people to study, they may take as much of the 
specimen as they deem neccesary.
It is akin to an archealogical site being robbed of its items with no regard 
to the location, depth, age, pieces that go with this or that, and just sold 
to the first bod that comes along, Here ya are mate, some ancient treasure. 
I currently have several kilos. Not an awful lot. I'd buy all of them if I 
had enough folding stuff, but I'd rather get some nice studied material, 
read about it all and ponder the sample in front of me, and learn to 
identify the various specifics as studied.


The individual nomads that collect these stones in the desert are only 
thinking of themselves.
How much food they can get with the money, or weapons they might buy. They 
are not interested in science or their countries national treasures or 
heritage.


What can you tell me about an unclassified NWA?

Cheers, Kevin, VK3UKF.

On Sat, 5 Nov 2005 22:03:31 -0800 (PST), Pat Brown [EMAIL PROTECTED] 
wrote:


Will some of you share your thoughts on why
unclassified meteorite sales are discouraged?


I haven't really heard of the sales being discouraged.  All I know of is 
a very few dealers
spreading sour grapes about what the NWA rush has done to their high 
prices.  (The market is in

ruin and NWAs support terrorists being two claims that come to mind).

I have collected meteorites for about 10 years now and
have purchased some unclassified NWA meteorites from
sellers on eBay. The 500 to 1000 gram meteorites are
selling at attractive prices. Is the practice of

It looks like uncut unclassifed NWAs in non-reserve auctions are tending to 
go for less than 5 cents

per gram now.
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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Mark Rexburg
Dude you need to wake up to the reality of Northwest Africa.  There are not 
enough labs on earth to classify every stone found.  Just look at the 
backlog of Antartic meteorites.  It took nearly 10 years to discover that 
ALH84001 was Martain.


Mark




From: Kevin Forbes [EMAIL PROTECTED]
To: meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite 
sales

Date: Mon, 07 Nov 2005 02:35:16 +1100



G'day list, my feelings on unclassified NWA's.
This repsents the ultimate rape of science.
What can be told about an unclassified NWA.
In short, nothing, apart from, I think it is a meteorite and I think it 
came from somewhere in Nth West Africa.
You wouldn't know if it was part of a large or small fall, since no details 
on it's find location are noted.

You wouldn't know if you had a highly altered chondrite or an achondrite.
The nation where the item was found has also lost part of its own national 
treasure as an undocumented theft.
Meteorites provide an insight to the wonders of our universe, and all 
information should be documented. These items are generally sliced up and 
sold before they are ever ( and in most cases never studuied ) studied by 
anyone anywhere. Think of all the lost knowledge humanity as a whole is 
suffering because of this. Think of all of the thousands of kilos of stones 
that may unlock some secret of the universe or our solar systems formation, 
that will never ever come to light because they sit on a shelf at a 
collectors home, never to be studied. Shame world, shame.
Should a NWA be studied and found to be an insight to something, can we go 
and get more of it. NO, we have no idea of where it came from or how much 
of it made land fall.

For example.,
What is the Lat. and Lon. the specimen was found at? Unknown.
What is the country of origin? Unknown.
Who found it? Unknown.
When was it found? Unknown.
What was the total mass of the fall? Unkown.
What is the area of material distribution? (Fall ellipse). Unknown.

I collect the occasional unclassified NWA with the intention of forwarding 
them to the correct places and people to study, they may take as much of 
the specimen as they deem neccesary.
It is akin to an archealogical site being robbed of its items with no 
regard to the location, depth, age, pieces that go with this or that, and 
just sold to the first bod that comes along, Here ya are mate, some ancient 
treasure. I currently have several kilos. Not an awful lot. I'd buy all of 
them if I had enough folding stuff, but I'd rather get some nice studied 
material, read about it all and ponder the sample in front of me, and learn 
to identify the various specifics as studied.


The individual nomads that collect these stones in the desert are only 
thinking of themselves.
How much food they can get with the money, or weapons they might buy. They 
are not interested in science or their countries national treasures or 
heritage.


What can you tell me about an unclassified NWA?

Cheers, Kevin, VK3UKF.

On Sat, 5 Nov 2005 22:03:31 -0800 (PST), Pat Brown [EMAIL PROTECTED] 
wrote:


Will some of you share your thoughts on why
unclassified meteorite sales are discouraged?


I haven't really heard of the sales being discouraged.  All I know of is 
a very few dealers
spreading sour grapes about what the NWA rush has done to their high 
prices.  (The market is in

ruin and NWAs support terrorists being two claims that come to mind).

I have collected meteorites for about 10 years now and
have purchased some unclassified NWA meteorites from
sellers on eBay. The 500 to 1000 gram meteorites are
selling at attractive prices. Is the practice of

It looks like uncut unclassifed NWAs in non-reserve auctions are tending 
to go for less than 5 cents

per gram now.
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[meteorite-list] Fw: AD! Auctions Ending and New Items Added to my Store! (700 + items)

2005-11-06 Thread Michael Cottingham

- Original Message -
From: Michael Cottingham
To: Michael Cottingham
Sent: Sunday, November 06, 2005 7:45 AM
Subject: Fw: AD! Auctions Ending and New Items Added to my Store! (700 +
items)











Hello Folks,

It has been a while since I have posted a sale! Maybe nearly 4 months?
Anyway, I have jumped back in the saddle and I have listed Over 700 items in
my Ebay Store!

Go to:

http://stores.ebay.com/Voyage-Botanica-Natural-History

Also, I have Auctions Ending!

Go to:

http://search.ebay.com/_W0QQfsooZ2QQfsopZ3QQsascsZ1QQsassZmeteoriteQ2dcollec
tor


Thanks  Best Wishes

Michael Cottingham


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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread M come Meteorite Meteorites
Here in Italy the laboratory where I give my
meteorites to analyzed control all pieces


Matteo

--- Mark Rexburg [EMAIL PROTECTED] ha scritto: 

 Dude you need to wake up to the reality of Northwest
 Africa.  There are not 
 enough labs on earth to classify every stone found. 
 Just look at the 
 backlog of Antartic meteorites.  It took nearly 10
 years to discover that 
 ALH84001 was Martain.
 
 Mark
 
 
 
 From: Kevin Forbes [EMAIL PROTECTED]
 To: meteorite-list@meteoritecentral.com
 Subject: Re: [meteorite-list] Questions regarding
 Unclassified meteorite 
 sales
 Date: Mon, 07 Nov 2005 02:35:16 +1100
 
 
 
 G'day list, my feelings on unclassified NWA's.
 This repsents the ultimate rape of science.
 What can be told about an unclassified NWA.
 In short, nothing, apart from, I think it is a
 meteorite and I think it 
 came from somewhere in Nth West Africa.
 You wouldn't know if it was part of a large or
 small fall, since no details 
 on it's find location are noted.
 You wouldn't know if you had a highly altered
 chondrite or an achondrite.
 The nation where the item was found has also lost
 part of its own national 
 treasure as an undocumented theft.
 Meteorites provide an insight to the wonders of our
 universe, and all 
 information should be documented. These items are
 generally sliced up and 
 sold before they are ever ( and in most cases never
 studuied ) studied by 
 anyone anywhere. Think of all the lost knowledge
 humanity as a whole is 
 suffering because of this. Think of all of the
 thousands of kilos of stones 
 that may unlock some secret of the universe or our
 solar systems formation, 
 that will never ever come to light because they sit
 on a shelf at a 
 collectors home, never to be studied. Shame world,
 shame.
 Should a NWA be studied and found to be an insight
 to something, can we go 
 and get more of it. NO, we have no idea of where it
 came from or how much 
 of it made land fall.
 For example.,
 What is the Lat. and Lon. the specimen was found
 at? Unknown.
 What is the country of origin? Unknown.
 Who found it? Unknown.
 When was it found? Unknown.
 What was the total mass of the fall? Unkown.
 What is the area of material distribution? (Fall
 ellipse). Unknown.
 
 I collect the occasional unclassified NWA with the
 intention of forwarding 
 them to the correct places and people to study,
 they may take as much of 
 the specimen as they deem neccesary.
 It is akin to an archealogical site being robbed of
 its items with no 
 regard to the location, depth, age, pieces that go
 with this or that, and 
 just sold to the first bod that comes along, Here
 ya are mate, some ancient 
 treasure. I currently have several kilos. Not an
 awful lot. I'd buy all of 
 them if I had enough folding stuff, but I'd rather
 get some nice studied 
 material, read about it all and ponder the sample
 in front of me, and learn 
 to identify the various specifics as studied.
 
 The individual nomads that collect these stones in
 the desert are only 
 thinking of themselves.
 How much food they can get with the money, or
 weapons they might buy. They 
 are not interested in science or their countries
 national treasures or 
 heritage.
 
 What can you tell me about an unclassified NWA?
 
 Cheers, Kevin, VK3UKF.
 
 On Sat, 5 Nov 2005 22:03:31 -0800 (PST), Pat Brown
 [EMAIL PROTECTED] 
 wrote:
 
  Will some of you share your thoughts on why
  unclassified meteorite sales are discouraged?
  
 
 I haven't really heard of the sales being
 discouraged.  All I know of is 
 a very few dealers
 spreading sour grapes about what the NWA rush has
 done to their high 
 prices.  (The market is in
 ruin and NWAs support terrorists being two
 claims that come to mind).
 
  I have collected meteorites for about 10 years
 now and
  have purchased some unclassified NWA meteorites
 from
  sellers on eBay. The 500 to 1000 gram meteorites
 are
  selling at attractive prices. Is the practice of
 
 It looks like uncut unclassifed NWAs in
 non-reserve auctions are tending 
 to go for less than 5 cents
 per gram now.
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 Meteorite-list@meteoritecentral.com

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M come Meteorite - Matteo Chinellato
Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY
Email: [EMAIL PROTECTED]
Sale Site: http://www.mcomemeteorite.it 
Collection Site: 

Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Michael Farmer

Kevin,
I am sorry, but that is one of the most incorrect statements I have seen in 
a long time.
True, it is difficult that the total known weights and find locations are 
not known, but it is what it is. These poor people have finally found a way 
to make a living from the harsh sands of the Sahara and science has a way to 
get more meteorites in bulk to study.

Here is why NWA is good for science.

Thousands of meteorites are being recovered, some of them the rarest types 
known.
They are being saved (finally) from being sandblasted to nothing in the 
sand.

The poor people there are making money for food.
The finds are advancing science.
Mars and Lunar meteorites have been found there in concentrations unlike 
anywhere else on the planet.
While chondrites are being traded often without study, the rare stuff is 
ALWAYS being studied, and accordingly, pieces deposited with scientific 
laboratory collections.
Where they fell or what country does not change the data in the meteorite, 
last time I checked, a Martian that landed in USA or in Morocco does not 
change the composition of the meteorite or the data that scientists are 
interested in.


I just returned from NWA with MULTIPLE PLANETARY SPECIMENS. They are already 
in the lab at UofA and NAU, and since I bought them, they are rescued from 
the desert and rotting away and are now in the hands of competent scientists 
to further our knowledge of the Moon and Mars.
So I need to sell some to pay for the thousands of $$$ every trips costs, 
that is the way of the world, without sales, no trips, without trips, no 
meteorites. I have been to Morocco 35 or so times now, I have never seen a 
scientist or university over there looking for meteorites.

It is up to me and people like me to provide specimens for science.

Michael Farmer
- Original Message - 
From: Kevin Forbes [EMAIL PROTECTED]

To: meteorite-list@meteoritecentral.com
Sent: Sunday, November 06, 2005 8:35 AM
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite 
sales






G'day list, my feelings on unclassified NWA's.
This repsents the ultimate rape of science.
What can be told about an unclassified NWA.
In short, nothing, apart from, I think it is a meteorite and I think it 
came from somewhere in Nth West Africa.
You wouldn't know if it was part of a large or small fall, since no 
details on it's find location are noted.

You wouldn't know if you had a highly altered chondrite or an achondrite.
The nation where the item was found has also lost part of its own national 
treasure as an undocumented theft.
Meteorites provide an insight to the wonders of our universe, and all 
information should be documented. These items are generally sliced up and 
sold before they are ever ( and in most cases never studuied ) studied by 
anyone anywhere. Think of all the lost knowledge humanity as a whole is 
suffering because of this. Think of all of the thousands of kilos of 
stones that may unlock some secret of the universe or our solar systems 
formation, that will never ever come to light because they sit on a shelf 
at a collectors home, never to be studied. Shame world, shame.
Should a NWA be studied and found to be an insight to something, can we go 
and get more of it. NO, we have no idea of where it came from or how much 
of it made land fall.

For example.,
What is the Lat. and Lon. the specimen was found at? Unknown.
What is the country of origin? Unknown.
Who found it? Unknown.
When was it found? Unknown.
What was the total mass of the fall? Unkown.
What is the area of material distribution? (Fall ellipse). Unknown.

I collect the occasional unclassified NWA with the intention of forwarding 
them to the correct places and people to study, they may take as much of 
the specimen as they deem neccesary.
It is akin to an archealogical site being robbed of its items with no 
regard to the location, depth, age, pieces that go with this or that, and 
just sold to the first bod that comes along, Here ya are mate, some 
ancient treasure. I currently have several kilos. Not an awful lot. I'd 
buy all of them if I had enough folding stuff, but I'd rather get some 
nice studied material, read about it all and ponder the sample in front of 
me, and learn to identify the various specifics as studied.


The individual nomads that collect these stones in the desert are only 
thinking of themselves.
How much food they can get with the money, or weapons they might buy. They 
are not interested in science or their countries national treasures or 
heritage.


What can you tell me about an unclassified NWA?

Cheers, Kevin, VK3UKF.

On Sat, 5 Nov 2005 22:03:31 -0800 (PST), Pat Brown [EMAIL PROTECTED] 
wrote:


Will some of you share your thoughts on why
unclassified meteorite sales are discouraged?


I haven't really heard of the sales being discouraged.  All I know of is 
a very few dealers
spreading sour grapes about what the NWA rush has done to their high 
prices.  (The market is in


Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Darren Garrison
On Mon, 07 Nov 2005 02:35:16 +1100, Kevin Forbes [EMAIL PROTECTED] wrote:

You wouldn't know if it was part of a large or small fall, since no details 
on it's find location are noted.
You wouldn't know if you had a highly altered chondrite or an achondrite.

snip

Should a NWA be studied and found to be an insight to something, can we go 
and get more of it. NO, we have no idea of where it came from or how much of 
it made land fall.
For example.,
What is the Lat. and Lon. the specimen was found at? Unknown.
What is the country of origin? Unknown.
Who found it? Unknown.
When was it found? Unknown.
What was the total mass of the fall? Unkown.
What is the area of material distribution? (Fall ellipse). Unknown.


snip

It is akin to an archealogical site being robbed of its items with no regard 
to the location, depth, age, pieces that go with this or that, and just sold 
to the first bod that comes along, Here ya are mate, some ancient treasure. 


I tend to disagree with most of your points here.  With fossils and human 
artifacts, the context and
stratigraphy and associated artifacts are highly important to understanding the 
fossil or artifact.
But with a meteorite, where it landed and when it was found and who found it 
and the size of the
original chunk are very superficial matters.  It would be interesting to be 
able to determine the
orbit of the original fragment, but (and correct me if I'm wrong) to deduct 
orbits from the
shape/directon of strewn feilds, don't you need to know WHEN it hit?  Wouldn't 
you need to know what
time of day, and what day of the year before you could use that strewn feild 
data to get the orbit?

The one main use I would see out of mapping out the strewn feild would be to 
have kept all of the
NWA numbers straight instead of giving several different numbers to pieces from 
the same fall, but
that situation isn't in any way different than the situation with each 
individual meteorite
collected from the stranded surfaces in Antarctica having to be given an 
individual number because
all of the possible pairing/strewn feild data has also been lost on those.

As for needing to go back and get more of the material, it is amazing what 
amount of study can be
done with current insturments with TINY amounts of material.  I'm sure more can 
be learned from one
gram now than could be learned from 100 grams a generation ago.

And just because a NWA hasn't been classified, doesn't mean that it never will. 
 When it comes down
to it, I'd think that a meteorite is like a fossil or human artifact in that 
while it is better that
it be collected and documented by a professional in the subject than an 
amature, it is better that
it be collected by an amature than be left to be destroyed by the elements, 
never to be collected at
all.  Because I don't think that there would ever have been the type of large 
scale, expensive
formal scientific team scouring of the deserts that would have recovered 
anything close to the
number of meteorites that have been recovered by natives and collectors.   
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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Chris Peterson
You can't determine anything about orbits from strewn fields, even knowing 
the date and time of the fall. Except in rare cases (such as Sikhote-Alin) 
where the body retains cosmic velocity to, or nearly to, the ground, the 
direction of strewn fields are determined solely by aerodynamics- mostly by 
the atmospheric wind profile. A meteoroid entering from east to west can 
easily produce a strewn field extending from west to east (or north to 
south, or any other orientation).


Chris

*
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


- Original Message - 
From: Darren Garrison [EMAIL PROTECTED]

To: meteorite-list@meteoritecentral.com
Sent: Sunday, November 06, 2005 9:10 AM
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite 
sales



I tend to disagree with most of your points here.  With fossils and human 
artifacts, the context and
stratigraphy and associated artifacts are highly important to understanding 
the fossil or artifact.
But with a meteorite, where it landed and when it was found and who found it 
and the size of the
original chunk are very superficial matters.  It would be interesting to be 
able to determine the
orbit of the original fragment, but (and correct me if I'm wrong) to deduct 
orbits from the
shape/directon of strewn feilds, don't you need to know WHEN it hit? 
Wouldn't you need to know what
time of day, and what day of the year before you could use that strewn feild 
data to get the orbit?


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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Michael Farmer
That is correct, we only have the orbits for a few meteorite falls, and they 
must be filmed and photographed to obtain orbit.

Mike
- Original Message - 
From: Chris Peterson [EMAIL PROTECTED]

To: meteorite-list@meteoritecentral.com
Sent: Sunday, November 06, 2005 9:15 AM
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite 
sales



You can't determine anything about orbits from strewn fields, even knowing 
the date and time of the fall. Except in rare cases (such as Sikhote-Alin) 
where the body retains cosmic velocity to, or nearly to, the ground, the 
direction of strewn fields are determined solely by aerodynamics- mostly 
by the atmospheric wind profile. A meteoroid entering from east to west 
can easily produce a strewn field extending from west to east (or north to 
south, or any other orientation).


Chris

*
Chris L Peterson
Cloudbait Observatory
http://www.cloudbait.com


- Original Message - 
From: Darren Garrison [EMAIL PROTECTED]

To: meteorite-list@meteoritecentral.com
Sent: Sunday, November 06, 2005 9:10 AM
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite 
sales



I tend to disagree with most of your points here.  With fossils and human 
artifacts, the context and
stratigraphy and associated artifacts are highly important to 
understanding the fossil or artifact.
But with a meteorite, where it landed and when it was found and who found 
it and the size of the
original chunk are very superficial matters.  It would be interesting to 
be able to determine the
orbit of the original fragment, but (and correct me if I'm wrong) to 
deduct orbits from the
shape/directon of strewn feilds, don't you need to know WHEN it hit? 
Wouldn't you need to know what
time of day, and what day of the year before you could use that strewn 
feild data to get the orbit?


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Re: [meteorite-list] Re: Sikhote Question, Impact Pits, Oriented Campo

2005-11-06 Thread Jim Strope

Hi Geoff, Matt and other participants in this thread...

Geoff, you mentioned that you have seen a few Sikhote-alin that exhibit the 
characteristics of a regmaglyped individual as well as shrapnel.  Here is an 
example of one of my favorite pieces that I acquired years ago.  It is an 
oriented individual with a bottom that looks exactly like shrapnel.


http://209.238.151.128/sa526.htm

Jim Strope
421 Fourth Street
Glen Dale, WV  26038

http://www.catchafallingstar.com

- Original Message - 
From: Notkin [EMAIL PROTECTED]

To: Meteorite List meteorite-list@meteoritecentral.com
Sent: Saturday, November 05, 2005 9:12 PM
Subject: [meteorite-list] Re: Sikhote Question, Impact Pits, Oriented Campo



Dear Jim, Matt, and Listees:

Jim, I enjoyed your good photo of that very unusual Sikhote, thanks, and 
was interested in Matt's explanation.


Nice coincidence, as when you posted that I was about to photograph an 
usual Sikhote-Alin of my own.


When I started collecting Sikhotes seven or eight years ago, I was under 
the impression that all individuals had come through the atmosphere on 
their own, and all shrapnel pieces were the result of explosive 
fragmentation around the craters (this view supported, I believe, by the 
fact that only shrapnel is found in the craters?). Over time, I've seen a 
few pieces that exhibit characteristics of both individuals *and* 
shrapnel, and I'm sure some of you have too. An example would be, say, a 
~1kg otherwise completely regmaglypted individual that has one sheared, 
shrapnel-like face. I expect this is the result of a larger individual 
fragmenting in the air shortly before impact.


Now I've come across something really interesting: it appears to be a 
normal shrapnel fragment, weight 266.4 grams, except it has a very 
distinct impact pit and splash rim. It seems to me that an impact pit 
could only have been formed during flight, meaning some pure shrapnel 
pieces must therefore have been created by mid-air fragmentation, not 
explosive fragmentation upon impact. Could such fragmentation be the 
result of mid-air collisions, or breaking up along planes as a result of 
atmospheric pressure?


Have a look:

http://www.aerolite.org/gallery/sikhote-alin-266-4.htm


Of course, this is probably all explained in Krinov's lovely little book 
about Sikhote-Alin, but my Russian isn't up to it I'm afraid  : )


Any comments, theories, or explanations welcomed.


And for those of you who -- like me -- dig impact pits, I have a lovely 
little Sikhote with TWO impact pits closing on Ebay tomorrow, and a 
gorgeous oriented regmaglypted Campo closing tonight in an hour. It's at 
12 cents per gram now! A real bargain for someone.


Here they are:

http://search.ebay.com/_W0QQfgtpZ1QQfrppZ25QQsassZpsiloceras


Best to all from Tucson,

Geoff N.

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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Göran Axelsson
If it was such a loss to science that unclassified NWA:s were traded, 
don't you think some scientist would apply for a grant to buy it in bulk 
from the Moroccans?
I haven't heard about any expedition to Morocco by NASA scientists so I 
guess this isn't a big problem.


The only data lost is pairing and location. Any interesting stone that 
is cut will probably get into the hands of scientists.


Personally I would be glad to leave type samples of every unclassified 
NWA in my possession for classification. Anyone interested?


/Göran
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Re: [meteorite-list] Re: Sikhote Question, Impact Pits, Oriented Campo

2005-11-06 Thread Kevin Forbes

Someone correct me if I'm wrong here.

If the original Sikhote body floated around the solar system for 100 million 
years, it would have in its original surface, a record of solar activity in 
the way of solar wind particles. Let's say for arguments sake, 100 particles 
(or tracks) per mm2 of surface area exposed to raw space. If the impact 
occured 10 million years ago, and solar activity has remained fairly 
constant, (someone else can figure out how many super novae or solar 
anaomalies may screw up the results) then, would it not be reasonable to 
assume that the impact pit contain 10 solar wind particles per mm2 ??
If the impact pits were caused during detonation in Earths atmosphere, there 
should be no solar wind particles or tracks.

Any tests been done on this path?
Any ideas?

Kevin, VK3UKF.


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Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Martin Altmann
Hi Patrick, Darren, Kevin...

I neither would say, that in past it happened, that collectors were
discouraged by anyone to purchase unclassified stones or classified NWAs, it
was rather about to tell, that most collectors (and dealers) hold them not
exactely the same dear as classical finds or even falls and to avoid wrong
expectations (as Darren expressed in his posting) and views.
The issues you mentioned partially lead to the general discussion about
desert finds, including classified stones.

 * False claims of authenticity
For unclassified stuff a minor problem, as a stone offered as unclassified
ranges on the scale of commercial value on the very bottom.
It would make hence no big sense for an offerer to state, that a stone
without find data, that he purchased in Tucson, was purchased in Erfould,
nor could he claim a chondrite to be a more valuable achondrite, as it's
not classified and it would be harmful to his reputation, which for his
business is of crucial importance, as the so called market is an
incredibly small petri dish.
That a layman offers a terrestial stone as a meteorite happens regularly,
but not widely, and the offered objects (each week in US-ebay) are easily
recognizable as meteorwrongs (if the photo is vague, the price expectation
and the circumstance, that it was self-found will help). Intentional frauds
e.g. by this florida-coaster or with that Mars stuff, where Senor Divelbiss
rescued the not yet so experienced collectors with his great idea to set up
an auction with a collection of similar pseudos, are scarce and perhaps in
future a field of IMCA-activity, also if non-members are involved.
Another problem may be, that Moroccans, not so specialized in meteorites,
give wrong guesses about stones, they are selling on fairs, as they were
told, that a stone would be of that type. But this is known and no risk, no
fun.
A slightly more urgent problem could be, that persons give wrong find
data/stories with their stones to upgrade them, transplanting a cheap desert
stone into a more pleasent area of the globe or making already classified
stones anonymous again, because that very stone was crancked up so
excessively through the mincer called ebay, that the prices there went
absurd low (to illustrate, remember Kainsaz going there at 2.5$/g, while
each weathered desert CO3 was selling there at 8-15$/g - hence a certain
temptation...).
But those problems are not inherent in the stones, it's albout honesty of
the people.
Finally remains the dilemma for offerors, whether to classify already known
NWA-material again. We had this issue in extenso on the list. If someone
buys from the same source the same material, from which anotherone took and
had it got classified, what to do? One knows it's the same, but isn't
allowed if
one isn't a graduate petrologist to assign it to the already known number.
To get it classified is expensive and costs time, as the capacities of the
labs couldn't keep pace with the enormous flood of desert finds. The number
and pairing mess would be enlarged, stats about the percentage of the
different types distorted, giving a totally wrong impression to the
collectors, that the real rare stuff is available ad libidum, so that the
miss the best chances or paying to much, as they aren't aware, how many
known pairings do exist, and finally wasting valuable lab time with
redundant analyses.
Perhaps another remark, meanwhile the market is so hummm strange, that
often on ebay unclassified and classified stones are paid with quite the
same money.

Obviously we have some structural problems.

 * Attempts to skirt laws governing ownership

But who knows the actual laws of each individual country?
All we get to know about actual laws, except Canada and Australia, are
rumors and speculations!
And I really doubt, that there do exist in most of those countries, which do
not have territories in the most productive find areas,
laws concerning especially meteorites at all. We don't have to forget, that
on the one hand a meteorite has no practical monetary value at all. Unlike
lprecious stones, gold, rough materials, ores, porc bellies it consists
mainly of components , which you find in your garden or in the curb
stone in front of your door. In fact almost nobody in that countries had an
idea, what meteorites are
and that there are a handful wackos, who are dealing with them. - Captain
Blood, tell what you want,
there ain't no market. Year's ago, in the late eighties, I guess, I read an
estimation, that there should exist 5000-6000 meteorite collectors
worldwide. This figure is hawked again and again since, but even in our days
it is ways to optimistic. Here in Germany, and if I check all national
ebays, I guess, that here is sitting the second largest collectors local
community, there are roughly 100, maximum 200 persons (o.k. in past
Zeitschel's girls weren't as attractive as Haag's...), who you can call
serious collectors. Marcin, how many do we have in Poland? And Francesco in

Re: [meteorite-list] Questions regarding Unclassified meteorite sales

2005-11-06 Thread Martin Altmann
Good point,

I have no idea, what the gram-price for an Antarctic meteorite would be, but
to me it seems, that the ANSMET searches are a little bit more sumptuous,
than to have travelled to Morocco to buy ALL stuff in bulk.

The original strewnfield information is lost also with the Antarctic stuff,
as it was transported by the movement of the ice.

Cheers!
Martin

- Original Message - 
From: Göran Axelsson [EMAIL PROTECTED]
To: meteorite-list@meteoritecentral.com
Sent: Sunday, November 06, 2005 5:40 PM
Subject: Re: [meteorite-list] Questions regarding Unclassified meteorite
sales


 If it was such a loss to science that unclassified NWA:s were traded,
 don't you think some scientist would apply for a grant to buy it in bulk
 from the Moroccans?
 I haven't heard about any expedition to Morocco by NASA scientists so I
 guess this isn't a big problem.

 The only data lost is pairing and location. Any interesting stone that
 is cut will probably get into the hands of scientists.

 Personally I would be glad to leave type samples of every unclassified
 NWA in my possession for classification. Anyone interested?

 /Göran
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[meteorite-list] Mystery Meteorite Fall

2005-11-06 Thread McCartney Taylor
In my research of rare Texas history books, I've found references on 2 
meteorite falls that are pre-
Nininger and are NOT in the Catalogue.  The first I'm still research with the 
help of the County Historical 
society.  The second I need some help on.

I've found a reference to a fall in 1884 at mid-day where there is a witness 
who heard a Sonic Boom 
and other witnesses who said :
it made a noise like twenty freight trains and was so bright it 'dimmed the 
sunlight'.  

That sounds authentic and corresponds with meteorite fall acustical phenomena.  
The other half the 
story is the author (dead) saw in a museum in 1924 the alledged meteorite and 
described it as:

a large black stone about waist high and several feet across shaped like a 
dougnut without the hole. It 
was labeled 'the Lubbock Meteor'  

Again, the believability factor is there. The size sounds a bit exagerated, 
however the account was 
written 60 years after he saw it.  The name Lubbock refers to Lubbock Texas, 
alledged impact zone 
which does not seem likely. But *sigh*, I'll have to research that.

Question for the list -
Does anybody have a guess that this could be an existing listed fall?  If so, 
which fall?

ps. I'll have a website up about my expedition to Tanzania this week.  And yes, 
I missed the shooting in 
Zanzibar by 6 days.  Meteorites and mahem, what an exciting combination.

McCartneyTaylor, IMCA 2760

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[meteorite-list] AD: new website

2005-11-06 Thread Sergey Vasiliev
Hello List!

This is an advertisement for those who collect or have an interest not only
in meteorites themselves but in meteorite related rocks and minerals too. I
just opened a new website: Impactites and Rare Minerals:
http://sv-meteorites.jodoshared.com/ASPNET/default.aspx

That's just a beginning (there is no good design or more functions I want to
put in) and actually there are no Impactites in there yet (I'm waiting for
the details of their locations) but three interesting items already are in:

Not to use my poor English for the mineral explanation I'm copying a links
to the better source ;-)

---
Rare minerals:

Lonsdaleite:
http://www.mindat.org/min-2431.html

Mascelynite:
http://www.mindat.org/min-7765.html
---

Fulgurites:
http://www.mindat.org/min-7747.html
Actually not connected to the meteorite events but really nice glass from a
new location (not even listed at the link above and probably never will be
because of just one small place suddenly founded). This glass was formed
when lightning hits the basaltic rocks. Nice glass!

Thanks for your time!
Sergey

Sergey Vasiliev
U Dalnice 839
Prague 5, 15500
Czech Republic
http://www.sv-meteorites.com
http://sv-meteorites.jodoshared.com/ASPNET/default.aspx





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[meteorite-list] Astronauts want asteroid collision plan

2005-11-06 Thread Darren Garrison
http://www.usatoday.com/tech/science/space/2005-11-06-asteroid-preparation_x.htm
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[meteorite-list] MeteoriteTimes for November is up!

2005-11-06 Thread Paul Harris

Good evening everyone!

MeteoriteTimes for November is not up.
http://www.meteoritetimes.com/

As always a big thank you to the writers!!

Thank you,

Paul and Jim



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[meteorite-list] MeteoriteTimes for November is up!

2005-11-06 Thread Paul Harris

Sorry everyone it IS up.  I rely on spell check tu munch...

Paul


Good evening everyone!

MeteoriteTimes for November is not up.
http://www.meteoritetimes.com/

As always a big thank you to the writers!!

Thank you,

Paul and Jim



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[meteorite-list] Mars Exploration Rovers Update - November 4, 2005

2005-11-06 Thread Ron Baalke

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

SPIRIT UPDATE: Spirit Imaging East Basin - sol 647-654, Nov 04, 2005:

Sprit is healthy. The team operated in restricted sols from sol 647 to
654. (Restricted sols occur when the timing of the communications pass
from the Odyssey orbiter is too late in the day to gather vital location
and health information about the rover after it executed recent
commands. The team back on Earth must wait until the next sol to find
out where and how the rover is.)

The team planned two long Moessbauer integrations and drove 34 meters
(112 feet). On sols 653 and 654, the team planned targeted remote
sensing of the East Basin. This is one of the last opportunities to
image it before the basin is no longer in sight.

Spirit also completed three overnight observations. The team returns to
standard planning sols the week of Nov. 7, intending to continue driving
downhill.

Sol-by-sol summaries:

Sol 647 (Oct. 28, 2005): Spirit performed a 22-hour reading with the
Moessbauer spectrometer and made night sky observations.

Sol 648: Spirit performed a 23-hour Moessbauer reading.

Sol 649: Spirit drove 18 meters (59 feet).

Sol 650: Spirit performed remote sensing and made night sky observations
with the miniature thermal emission spectrometer.

Sol 651: Spirit drove 16 meters (52 feet).

Sol 652: Spirit performed untargeted remote sensing and made night sky
observations.

Sol 653: Spirit performed targeted remote sensing of the East Basin.

Sol 654 (Nov. 4, 2005): Spirit performed targeted remote sensing.

As of sol 654, Spirit has driven 5,143.63 meters (3.20 miles)



OPPORTUNITY UPDATE: Dusting Off and Getting Back to Work - sol 631-634,
Nov 04, 2005:

Having weathered a recent dust storm, Opportunity is back to business.
Energy levels are on the rise as the rover prepares for its next
investigative campaign.

Sol-by-sol summaries:

Sol 631 (Nov. 2, 2005): With images of the rover's current location in
hand, rover planners were able to plan a drive of just over 39 meters
(128 feet), which brought Opportunity to the edge of a large stretch of
outcrop.

Sol 632: Opportunity drove about 5 meters (16 feet) to a target called
Olympia.

Sols 633 and 634 (Nov. 4 and 5, 2005): The two-sol plan is to kick off
the robotic arm campaign at Olympia. The plan includes grinding a target
called Kalavrita with the rock abrasion tool, inspecting the target
with the microscopic imager both before and after the grind, and using
the panoramic camera to take images for a mosaic. Output from the solar
panels on sol 633 was 528 watt hours.

Opportunity's total odometry, as of sol 633, is 6418.07 meters (3.99 miles).

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Re: [meteorite-list] Re: Sikhote Question, Impact Pits, Oriented Campo

2005-11-06 Thread E.L. Jones
Actually, Geoff--  ALL parts start out as shrapnel shapes once 
disruption began: when deceleration stresses sheered the meteor body(s) 
apart from front to rear.  We know from eye witnesses that there were 
several explosive disruptions(8+) and at each disruption there were more 
shrapnel surfaces exposed to ablation.  The parts that we treasure are 
those that had enough velocity to go through ablation and regmglypthing, 
etc.  I surmise that those sharing both characteristics of smoothies and 
shrapnel were those that ran out of speed towards the end of 
incandescent flight and ablation ceased to sculpt them.  As to impact 
pits, these are a bit harder to explain.  One thought is that the larger 
surfaces-- with more air resistance, were slowing faster than smaller 
bodies that entered the sheltered slip stream of the larger and caught 
up to them with still enough energy as a bullet.  Even this theory 
likely doesn't account for all the physics.   If someone knows the 
Rockwell grade of SA, given the diameter of the pit, one might be able 
to compute the relative size of the impactor plus energy involved 
gouging the pit.  it might give insight in how the pits were formed.


Regards,
Elton

Notkin wrote:

When I started collecting Sikhotes seven or eight years ago, I was 
under the impression that all individuals had come through the 
atmosphere on their own, and all shrapnel pieces were the result of 
explosive fragmentation around the craters (this view supported, I 
believe, by the fact that only shrapnel is found in the craters?). 
Over time, I've seen a few pieces that exhibit characteristics of both 
individuals *and* shrapnel, and I'm sure some of you have too. An 
example would be, say, a ~1kg otherwise completely regmaglypted 
individual that has one sheared, shrapnel-like face. I expect this is 
the result of a larger individual fragmenting in the air shortly 
before impact.


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[meteorite-list] AD: could be the best oriented Taza in existance!

2005-11-06 Thread Michael Farmer

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemrd=1item=6576744191


Take a look at the near one centimeter flow lines on this little bullet!

I just got this piece in Morocco last week, and now someone can get it.
This is the best Taza I have ever seen. It may be small, but it is truly fit 
for any museum in the world.
Mike Farmer 



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[meteorite-list] Fireballs Seen Over Germany (Link to Map)

2005-11-06 Thread Robert Verish
http://members.home.nl/peter-knol/meteors/events/

 Original Message 

[meteorite-list] Fireballs Seen Over Germany
Ron Baalke baalke at zagami.jpl.nasa.gov
Fri Nov 4 14:24:19 EST 2005


http://seattletimes.nwsource.com/html/nationworld/2002603058_crater04.html

Fireballs seen over Germany spark UFO speculation
Dominican Today
November 4, 2005

BERLIN. - Numerous sightings of massive fireballs in
the skies over Germany this week have led to an
upsurge in reports of UFOs, but scientists believe the
cause could be a bizarre annual meteor blitz.

According to the Web site of the U.S. National
Aeronautics and Space Administration (NASA), such
fireballs have been reported elsewhere in the world
and may also be due to the fact that the Earth is now
orbiting through a swarm of space debris.

Many people in Germany have noticed the fireballs,
said Werner Walter, an amateur astronomer in Mannheim
who runs a Web site on unexplained astronomical
phenomena and a hotline for reports on unidentified
flying objects (UFO).

The last reported sighting was yesterday at 7:30 p.m.
(1830 GMT) in a corridor near the border of the
Netherlands, he told Reuters in a telephone
interview. 

++

-- Forward Message ---

Bright Taurids (2)
knoll at home.nl knoll at home.nl
Sun Nov 6 08:51:00 EST 2005


Hello,
I did record that fireball (1 November 05 - 22:27 UT)
in a audio spectogram during my Radio Meteor
observations. I have collected some messages related
to that fireball on a webpage:

http://members.home.nl/peter-knol/meteors/events/

An audio spectogram is also available on that webpage.

If you know more messages related to that fireball,
please let me know...

Regards, Peter Knol - Appingedam - The Netherlands.
http://members.home.nl/peter-knol/meteors 
(my radio meteor observation website) 


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[meteorite-list] Hayabusa's Practice Descent (Rehearsal) on November 4th

2005-11-06 Thread Ron Baalke

http://www.isas.ac.jp/e/snews/2005/1104.shtml

Hayabusa's Practice Descent (Rehearsal) on November 4th
Japan Aerospace Exploration Agency (JAXA)
November 4, 2005

Hayabusa currently hovering around a near Earth asteroid Itokawa
commenced its descent at 19:17 GMT on November 3rd commanded from the
ground, when the altitude to the surface was about 3.5 km. It took an
aim at calibrating its proximity laser range finders, visibility
calibration and image processing of a target marker as well as deploying
a hopping robot MINERVA.

Down to about 700 meters in attitude, both attitude and trajectory
control had been performed via Hayabusa's proprietary autonomous
guidance and navigation capability as planned. However, the onboard
navigation computer detected anomalous information that did not satisfy
the requirement, the abort command was transmitted from the ground at
03:30 GMT on November 4th. The subsequent events were all canceled and
the spacecraft fired its chemical engines and started ascent.

When the operation ended from JAXA's Usuda station, the radio
communication to the spacecraft, the attitude control were all in order
and the instruments aboard were all functioning normally.

Despite the interruption, the project team thinks that it obtained very
important information through this practice descent flight, and that
this practice does make the strategy stiffer.

The project intends to perform another practice descent again. As of
today, the rehearsal schedule together with those for two touching-down
and sampling have not been decided yet. What caused the interruption and
how it is coped with are presently under investigation and the details
will be released after it has been identified.

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[meteorite-list] The Richardton Meteorite

2005-11-06 Thread Ron Baalke

http://www.kfyrtv.com/showNews.asp?whatStory=4315 

The Richardton Meteorite
Cliff Naylor
KFRY TV (Bismark, North Dakota)
November 6, 2005

On the night of June 30th, 1918, farmers in western North Dakota saw a
meteor, similar to this one that was video taped streaking through the
sky over Peekskill, New York. The meteorite landed in this field and
scattered debris for miles.

Ed Murphy is the state geologist who is called upon to investigate all
of North Dakota's meteorite sightings. He says this small specimen is a
tiny part of the 200 pound meteor that caused people to panic.

The meteorite broke apart in the sky and the noise was likened to an
explosion. It rattled windows and some people jumped under their beds.
he says.

Murphy says the 200 pound space rock exploded into more than 150 pieces
when it hit the earth.

Specimens were picked up from an area that was nine miles long and
fourteen miles wide. The largest specimen was eighteen pounds and the
smaller ones are generally around a pound, egg sized, he explains.

After the meteorite dust settled, farmers picked up the space rocks and
sold them to collectors. Murphy says this is one or only two specimens
that remain in North Dakota, the rest are on display in some pretty
prestigious museums.

Specimens from the Richardton Meteorite are housed in museums all
across the country including the Smithsonian in Washington, D.C.; the
Museum of Natural History in New York; and the British Museum in London.

Today meteorites are sold on the internet for up to five-thousand
dollars an ounce, more than ten times the price of gold. An appeal is
currently being made by Murphy to try to persuade the Smithsonian to
return the eighteen pound specimens it owns so they can be displayed
where they landed.

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[meteorite-list] Re: [Fwd: Re: Charity Meteorite Raffle for New Orleans]

2005-11-06 Thread Robert Verish
While the List is quiet, I just wanted to take this
opportunity to publicly thank Mike Gallant for his
generosity in last months Charity Raffle.  

It was my good fortune to be the beneficiary of his
generosity by having the winning ticket for the
display cases he donated, (because I had lost my two
display cases in a fire just the prior week).  

These new displays came in handy this weekend at the
Paul Harris House Warming Party (see images below):

http://meteorite-recovery.tripod.com/bobverish/miga-31.jpg
http://meteorite-recovery.tripod.com/bobverish/miga-32.jpg

Again, thank you Mike Gallant for your generosity.
With best regards,
Bob V.


--- Mike Gallant [EMAIL PROTECTED] wrote:

Hello Bob,
Your display is on the way, although it does not
compare to the recent loss of your old display case.  
I've also included a couple of extra items that might
be of help.

Wishing you a speedy recovery,
Mike



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[meteorite-list] Re: AD: could be the best oriented Taza in existance!

2005-11-06 Thread Notkin

Mike posted:


http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemrd=1item=6576744191



Dear Mike and List:

THAT is a truly amazing piece. What a great score Mike. Nice photos too 
 : )



Well done,

Geoff N.



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