[meteorite-list] POP QUIZ FRIDAYS answer :)

2012-08-06 Thread Shawn Alan
Hello Listers,

I would like to thank everyone that sent in their answers for the POP QUIZ.

The Question was .

In what year was the 1st lunar meteorite 
established as being from the moon?

The answer is 1982.

I would like to congratulate Kirk for being the Lister to send in the correct 
answer and will be winning a a free 565mg McKenzie Draw (b) meteorite 
fragment, found in the summer of 1989 while plowing a peanut field.

Thank you Listers and till next time, ROK ON.

Shawn Alan
IMCA 1633
eBay Story
http://www.ebay.com/sch/ph0t0phl0w/m.html? 
http://www.meteoritefalls.com/
 
 
 
 




[meteorite-list] POP QUIZ FRIDAYS win a free meteorite sample 
:)
Shawn Alan photophlow 
at yahoo.com 
Fri Aug 3 19:11:15 EDT 2012 
* Previous message: [meteorite-list] Window a rock with 
light (was: Taking a Robotic Geologist to Mars (MSL))  
* Next message: [meteorite-list] FOR SALE AD: On Ebay--NICE little NWA-3118 
CV-3 piece.  
* Messages sorted by: [ date ] [ thread ] [ subject 
] [ author ] 



Hello Listers, 

Today is POP QUIZ FRIDAYS 

The 
name of the game 

Be the 10thLister to email me of the List with 
the 
correct answer and you will win a free 565mg McKenzie Draw (b) meteorite 
fragment, found in the summer of 1989 while plowing a peanut field. 


Question: 

In what year was the 1stlunar meteorite 
established as being from the moon? 

Good luck 

Shawn Alan 
IMCA 1633 
eBay Story 
http://www.ebay.com/sch/ph0t0phl0w/m.html? 
http://www.meteoritefalls.com/





* Previous message: [meteorite-list] Window a rock with 
light (was: Taking a Robotic Geologist to Mars (MSL))  
* Next message: [meteorite-list] FOR SALE AD: On Ebay--NICE little NWA-3118 
CV-3 piece.  
* Messages sorted by: [ date ] [ thread ] [ subject 
] [ author ] 



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Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THEORNANSMETEORITE

2012-01-19 Thread Craig Moody

Very nice Information guys.  Well, I have been right on almost all of the Pop 
quizes, but have missed the lucky number 7 response.  Perhaps I will respond 7 
times next week..LoL  Congrats to the winner, and keep up with the quizes!
 
Craig 
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[meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE ORNANS METEORITE

2012-01-18 Thread Shawn Alan
Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

 1. Olga POPOVA1,*, 
2. Jiří BOROVIČKA2, 
3. William K. HARTMANN3, 
4. Pavel SPURNÝ2, 
5. Edwin GNOS4, 
6. Ivan NEMTCHINOV1,†, 
7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011   


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 
strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass than is suggested by a commonly used empirical power law. We 
estimate bulk strengths on entry being characteristically of the order of 
10−1–10−2 times the tensile strengths of recovered 
samples. We conclude that pre-entry, meter-scale interplanetary meteoroids are 
typically highly fractured or in some cases rubbly in texture, presumably as a 
result of their parent bodies’ collisional history, and can break up under 
stresses of a few megapascals. The weakness of some carbonaceous objects may 
result from very porous primordial accretional structures, more than fractures. 
These conclusions have implications for future asteroid missions, sample 
extraction, and asteroid hazard mitigation.

source: 
http://onlinelibrary.wiley.com/doi/10./j.1945-5100.2011.01247.x/abstract

I would like to congratulate Brett W for being the first to submit the correct 
answer because there was on 7th Lister that got the answer right. He will be 
getting a free Ornans 5mg fragment.

Till next time keep on rocking

Shawn Alan 
IMCA 1633 
eBay Store 
http://www.ebay.com/sch/ph0t0phl0w/m.html?  
__
HAPPY HOLIDAYS!!
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Meteorite-list mailing list
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Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE ORNANSMETEORITE

2012-01-18 Thread John.L.Cabassi
G'Day Shawn
Now that was a definite curve ball and a misunderstanding on my behalf. Your 
question was How many meteorite falls are there with accurate tracking data on 
atmospheric passage?  I think the key words are meteorite and falls.  
Correct me if I'm wrong. I found Almahata Sitta is one of the most accurate 
recorded falls of all time. 

I also see interplanetary meteoroids and small asteroids of your suggested 
reading. 

My question to you, regardless of the contest which I appreciate your 
generosity and my continued education; we have a conflict with meteoroids and 
meteorites. I'm interested to know in what you have posted, what meteorite 
falls make up this 13?

Can you elaborate on their names of what actually hit the ground as a 
meteorite?  Just curious. An over-active mind

Cheers
John Cabassi
IMCA # 2125

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 4:51 PM
To: Meteorite Central
Subject: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE


Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

 1. Olga POPOVA1,*, 
2. Jiří BOROVIČKA2, 
3. William K. HARTMANN3, 
4. Pavel SPURNÝ2, 
5. Edwin GNOS4, 
6. Ivan NEMTCHINOV1,†, 
7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011   


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 
strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass than is suggested by a commonly used empirical power law. We 
estimate bulk strengths on entry being characteristically of the order of 
10−1–10−2 times the tensile strengths of recovered 
samples. We conclude that pre-entry, meter-scale interplanetary meteoroids are 
typically highly fractured or in some cases rubbly in texture, presumably as a 
result of their parent bodies’ collisional history, and can break up under 
stresses of a few megapascals. The weakness of some carbonaceous objects may 
result from very porous primordial accretional structures, more than fractures. 
These conclusions have implications for future asteroid missions, sample 
extraction, and asteroid hazard mitigation.

source: 
http://onlinelibrary.wiley.com/doi/10./j.1945-5100.2011.01247.x/abstract

I would like to congratulate Brett W for being the first to submit the correct 
answer because there was on 7th Lister that got the answer right. He will be 
getting a free Ornans 5mg fragment.

Till next time keep on rocking

Shawn Alan 
IMCA 1633 
eBay Store 
http://www.ebay.com/sch/ph0t0phl0w/m.html?  
__
HAPPY HOLIDAYS!!
Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
Meteorite-list mailing list
Meteorite-list@meteoritecentral.com
http://six.pairlist.net/mailman/listinfo/meteorite-list

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Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE ORNANSMETEORITE

2012-01-18 Thread Frank Cressy
Hi John,

Here's the list of 13.

Příbram 4/7/1959   
Lost City 1/4/1970   
Innisfree 2/6/1977   
Peekskill 10/9/1992   
Tagish Lake 1/18/2000   
Morávka 5/6/2000   
Neuschwanstein 4/6/2002  . 
Park Forest 3/27/2003   
Villalbeto de la Peña 1/4/2004   
Bunburra Rockhole 7/20/2007   
Almahata Sitta 10/7/2008   
Jesenice 4/9/2009   
Grimsby 9/26/2009 

Cheers,

Frank


- Original Message 
From: John.L.Cabassi j...@cabassi.net
To: Shawn Alan photoph...@yahoo.com; Meteorite Central 
meteorite-list@meteoritecentral.com
Sent: Wed, January 18, 2012 6:31:49 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

G'Day Shawn
Now that was a definite curve ball and a misunderstanding on my behalf. Your 
question was How many meteorite falls are there with accurate tracking data on 
atmospheric passage?  I think the key words are meteorite and falls.  
Correct me if I'm wrong. I found Almahata Sitta is one of the most accurate 
recorded falls of all time. 


I also see interplanetary meteoroids and small asteroids of your suggested 
reading. 


My question to you, regardless of the contest which I appreciate your 
generosity 

and my continued education; we have a conflict with meteoroids and meteorites. 
I'm interested to know in what you have posted, what meteorite falls make up 
this 13?

Can you elaborate on their names of what actually hit the ground as a 
meteorite?  Just curious. An over-active mind

Cheers
John Cabassi
IMCA # 2125

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 4:51 PM
To: Meteorite Central
Subject: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE


Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

1. Olga POPOVA1,*, 
    2. Jiří BOROVIČKA2, 
    3. William K. HARTMANN3, 
    4. Pavel SPURNÝ2, 
    5. Edwin GNOS4, 
    6. Ivan NEMTCHINOV1,†, 
    7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011  


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 


strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass than is suggested by a commonly used empirical power law. We 
estimate bulk strengths on entry being characteristically of the order of 
10−1–10−2 times the tensile strengths of recovered 
samples. We conclude that pre-entry, meter-scale interplanetary meteoroids are 
typically highly fractured or in some cases rubbly in texture, presumably as a 
result of their parent bodies’ collisional history, and can break up under 
stresses of a few megapascals. The weakness of some carbonaceous objects may 
result from very porous primordial accretional structures, more than fractures. 
These conclusions have implications for future asteroid missions, sample 
extraction, and asteroid hazard mitigation.

source: 
http://onlinelibrary.wiley.com/doi/10./j.1945-5100.2011.01247.x/abstract

I would like to congratulate Brett W for being the first to submit the correct 
answer because there was on 7th Lister that got the answer right. He will be 
getting a free Ornans 5mg fragment.

Till next time keep on rocking

Shawn Alan 
IMCA 1633 
eBay Store 
http://www.ebay.com/sch/ph0t0phl0w

Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THEORNANSMETEORITE

2012-01-18 Thread sbdeboer
I  thought  St Robert  Quebec was also  a  recorded  fall  .The   12th  I  
believethat would be  14  then

 Regards 
 Simon 

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Frank Cressy
Sent: Wednesday, January 18, 2012 10:13 PM
To: John.L.Cabassi; Shawn Alan; Meteorite Central
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF 
THEORNANSMETEORITE

Hi John,

Here's the list of 13.

Příbram 4/7/1959   
Lost City 1/4/1970   
Innisfree 2/6/1977   
Peekskill 10/9/1992   
Tagish Lake 1/18/2000   
Morávka 5/6/2000   
Neuschwanstein 4/6/2002  . 
Park Forest 3/27/2003   
Villalbeto de la Peña 1/4/2004   
Bunburra Rockhole 7/20/2007   
Almahata Sitta 10/7/2008   
Jesenice 4/9/2009   
Grimsby 9/26/2009 

Cheers,

Frank


- Original Message 
From: John.L.Cabassi j...@cabassi.net
To: Shawn Alan photoph...@yahoo.com; Meteorite Central 
meteorite-list@meteoritecentral.com
Sent: Wed, January 18, 2012 6:31:49 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

G'Day Shawn
Now that was a definite curve ball and a misunderstanding on my behalf. Your 
question was How many meteorite falls are there with accurate tracking data on 
atmospheric passage?  I think the key words are meteorite and falls.  
Correct me if I'm wrong. I found Almahata Sitta is one of the most accurate 
recorded falls of all time. 


I also see interplanetary meteoroids and small asteroids of your suggested 
reading. 


My question to you, regardless of the contest which I appreciate your 
generosity 

and my continued education; we have a conflict with meteoroids and meteorites. 
I'm interested to know in what you have posted, what meteorite falls make up 
this 13?

Can you elaborate on their names of what actually hit the ground as a 
meteorite?  Just curious. An over-active mind

Cheers
John Cabassi
IMCA # 2125

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 4:51 PM
To: Meteorite Central
Subject: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE


Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

1. Olga POPOVA1,*, 
2. Jiří BOROVIČKA2, 
3. William K. HARTMANN3, 
4. Pavel SPURNÝ2, 
5. Edwin GNOS4, 
6. Ivan NEMTCHINOV1,†, 
7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011  


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 


strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass than is suggested by a commonly used empirical power law. We 
estimate bulk strengths on entry being characteristically of the order of 
10−1–10−2 times the tensile strengths of recovered 
samples. We conclude that pre-entry, meter-scale interplanetary meteoroids are 
typically highly fractured or in some cases rubbly in texture, presumably as a 
result of their parent bodies’ collisional history, and can break up under 
stresses of a few megapascals. The weakness of some carbonaceous objects may 
result from very porous primordial accretional structures, more than fractures. 
These conclusions have

Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE ORNANSMETEORITE

2012-01-18 Thread Shawn Alan
Hello All
 
If you like, take a look at this link which provides a graph of the 13 
meteorite.
 
http://flic.kr/p/bf9EYZ
 
 
Shawn
IMCA 1633
eBay Store
http://www.ebay.com/sch/ph0t0phl0w/m.html?


- Original Message -
From: Frank Cressy fcre...@prodigy.net
To: John.L.Cabassi j...@cabassi.net; Shawn Alan photoph...@yahoo.com; 
Meteorite Central meteorite-list@meteoritecentral.com
Cc: 
Sent: Wednesday, January 18, 2012 10:12 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

Hi John,

Here's the list of 13.

Příbram 4/7/1959   
Lost City 1/4/1970   
Innisfree 2/6/1977   
Peekskill 10/9/1992   
Tagish Lake 1/18/2000   
Morávka 5/6/2000   
Neuschwanstein 4/6/2002  . 
Park Forest 3/27/2003   
Villalbeto de la Peña 1/4/2004   
Bunburra Rockhole 7/20/2007   
Almahata Sitta 10/7/2008   
Jesenice 4/9/2009   
Grimsby 9/26/2009 

Cheers,

Frank


- Original Message 
From: John.L.Cabassi j...@cabassi.net
To: Shawn Alan photoph...@yahoo.com; Meteorite Central 
meteorite-list@meteoritecentral.com
Sent: Wed, January 18, 2012 6:31:49 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

G'Day Shawn
Now that was a definite curve ball and a misunderstanding on my behalf. Your 
question was How many meteorite falls are there with accurate tracking data on 
atmospheric passage?  I think the key words are meteorite and falls.  
Correct me if I'm wrong. I found Almahata Sitta is one of the most accurate 
recorded falls of all time. 


I also see interplanetary meteoroids and small asteroids of your suggested 
reading. 


My question to you, regardless of the contest which I appreciate your 
generosity 

and my continued education; we have a conflict with meteoroids and meteorites. 
I'm interested to know in what you have posted, what meteorite falls make up 
this 13?

Can you elaborate on their names of what actually hit the ground as a 
meteorite?  Just curious. An over-active mind

Cheers
John Cabassi
IMCA # 2125

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 4:51 PM
To: Meteorite Central
Subject: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE


Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

1. Olga POPOVA1,*, 
    2. Jiří BOROVIČKA2, 
    3. William K. HARTMANN3, 
    4. Pavel SPURNÝ2, 
    5. Edwin GNOS4, 
    6. Ivan NEMTCHINOV1,†, 
    7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011  


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 


strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass than is suggested by a commonly used empirical power law. We 
estimate bulk strengths on entry being characteristically of the order of 
10−1–10−2 times the tensile strengths of recovered 
samples. We conclude that pre-entry, meter-scale interplanetary meteoroids are 
typically highly fractured or in some cases rubbly in texture, presumably as a 
result of their parent bodies’ collisional history, and can break up under 
stresses of a few megapascals. The weakness of some carbonaceous objects may 
result from very porous primordial accretional

Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THEORNANSMETEORITE

2012-01-18 Thread John.L.Cabassi
G'Day Shawn, Frank and List
Wow. Definitely pays to be educated. I appreciate everyone's input and I truly 
appreciate it. I stand corrected and now I'm researching where I went wrong.

Thank you everyone.

Cheers
John 

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 7:51 PM
To: Frank Cressy; John.L.Cabassi; Meteorite Central
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF 
THEORNANSMETEORITE


Hello All
 
If you like, take a look at this link which provides a graph of the 13 
meteorite.
 
http://flic.kr/p/bf9EYZ
 
 
Shawn
IMCA 1633
eBay Store
http://www.ebay.com/sch/ph0t0phl0w/m.html?


- Original Message -
From: Frank Cressy fcre...@prodigy.net
To: John.L.Cabassi j...@cabassi.net; Shawn Alan photoph...@yahoo.com; 
Meteorite Central meteorite-list@meteoritecentral.com
Cc: 
Sent: Wednesday, January 18, 2012 10:12 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

Hi John,

Here's the list of 13.

Příbram 4/7/1959   
Lost City 1/4/1970   
Innisfree 2/6/1977   
Peekskill 10/9/1992   
Tagish Lake 1/18/2000   
Morávka 5/6/2000   
Neuschwanstein 4/6/2002  . 
Park Forest 3/27/2003   
Villalbeto de la Peña 1/4/2004   
Bunburra Rockhole 7/20/2007   
Almahata Sitta 10/7/2008   
Jesenice 4/9/2009   
Grimsby 9/26/2009 

Cheers,

Frank


- Original Message 
From: John.L.Cabassi j...@cabassi.net
To: Shawn Alan photoph...@yahoo.com; Meteorite Central 
meteorite-list@meteoritecentral.com
Sent: Wed, January 18, 2012 6:31:49 PM
Subject: Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE

G'Day Shawn
Now that was a definite curve ball and a misunderstanding on my behalf. Your 
question was How many meteorite falls are there with accurate tracking data on 
atmospheric passage?  I think the key words are meteorite and falls.  
Correct me if I'm wrong. I found Almahata Sitta is one of the most accurate 
recorded falls of all time. 


I also see interplanetary meteoroids and small asteroids of your suggested 
reading. 


My question to you, regardless of the contest which I appreciate your 
generosity 

and my continued education; we have a conflict with meteoroids and meteorites. 
I'm interested to know in what you have posted, what meteorite falls make up 
this 13?

Can you elaborate on their names of what actually hit the ground as a 
meteorite?  Just curious. An over-active mind

Cheers
John Cabassi
IMCA # 2125

-Original Message-
From: meteorite-list-boun...@meteoritecentral.com 
[mailto:meteorite-list-boun...@meteoritecentral.com] On Behalf Of Shawn Alan
Sent: Wednesday, January 18, 2012 4:51 PM
To: Meteorite Central
Subject: [meteorite-list] POP QUIZ FRIDAYS ANSWER AND WINNER OF THE 
ORNANSMETEORITE


Hello Listers

Sorry for the delay been busy with other projects. I would like to give a shout 
out to the Mars meteorite and the finalized name :) cool stuff, cant wait to 
read about it in my MAPS. If people do not know what I am talking about go to 
http://www.meteoriticalsociety.org/ an join the CLUB it worth every penny.

Now back to the QUIZ

I would like to say thank you Listers for sending in your answer :) 

Question

How many meteorite falls are there with accurate tracking 
data 
on atmospheric passage?

Answer

13

If you like to read up on this keep on reading...


Very low strengths of interplanetary meteoroids and small asteroids

1. Olga POPOVA1,*, 
2. Jiří BOROVIČKA2, 
3. William K. HARTMANN3, 
4. Pavel SPURNÝ2, 
5. Edwin GNOS4, 
6. Ivan NEMTCHINOV1,†, 
7. Josep M. TRIGO-RODRÍGUEZ5 

Article first published online: 29 SEP 2011 
DOI: 10./j.1945-5100.2011.01247.x 
© The Meteoritical Society, 2011
Issue 

Meteoritics  Planetary Science 
Volume 46, Issue 
10, pages 1525–1550, October 2011  


Abstract– We have assembled data on 13 cases of meteorite falls with 
accurate tracking data on atmospheric passage. In all cases, we estimate the 
bulk strength of the object corresponding to its earliest observed or inferred 
fragmentation in the high atmosphere, and can compare these values with 
measured 


strengths of meteorites in the taxonomic class for that fall. In all 13 cases, 
the strength corresponding to earliest observed or inferred fragmentation is 
much less than the compressive or tensile strength reported for that class of 
stony meteorites. Bulk strengths upon atmospheric entry of these bodies are 
shown to be very low, 0.1 to approximately 1 MPa on first breakup, and maximal 
strength on breakup as 1–10 MPa corresponding to weak and “crumbly” objects, 
whereas measured average tensile strength of the similar meteorite classes is 
about 30 MPa. We find a more random relation between bulk sample strength and 
sample mass

[meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-08-28 Thread Shawn Alan
Hello Listers,

I hope everyone is having a good day. As for me and the rest of the east coast 
I think we made it through Irene for the most part. For those of the List 
members that were also in the path of Irene I hope you made it out safe and 
sound. 

I would like to start off and say thank you to everyone that sent in an answer 
this week. I am excited to announce the winner..

Question

Please tell me the first recognized impact crater on Earth. 


Answer

Meteor Crater aka Barringer Crater

http://www.meteorcrater.com/

I would like to congratulate Ron H for being the 10th Lister to email the 
correct answer and he will be receiving a free 200mg Harrisonville meteorite 
fragment. Thank you guys and gals and till next time, Rock on.

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 


[meteorite-list] POP QUIZ FRIDAYS
Shawn Alan photophlow at yahoo.com 
Fri Aug 26 17:16:30 EDT 2011 

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Hello Listers 

I hope everyone is having great day. Today is POP QUIZ FRIDAYS 

The name of the game. 

Be the 10th Lister to email off the List with the correct answer and you will 
win a free 200mg Harrisonville meteorite fragment. 

Question 

Please tell me the first recognized impact crater on Earth. 

Good Luck and rock on 

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 




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[meteorite-list] POP QUIZ FRIDAYS :) answer

2011-05-29 Thread Shawn Alan
Hello Listers


I would like to say thank you for everyone that submited their answers for the 
POP QUIZ.

Question:

Which class of meteorites closely matches the chemical composition of the Sun?


Answer:

CI


I would like to say only 8 Listers got it right and the first Lister turned 
down the prize cause the have the whole set so the next in line with the 
correct answer is Norbert C and he wins a free Meteorite Magazine copy from Nov 
1996.


Thnak you everyone and have a great weekend and BBQ safely and keep looking up 
in the skies over the weekend.


Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 






[meteorite-list] POP QUIZ FRIDAYS :)
Shawn Alan photophlow at yahoo.com 
Fri May 27 16:12:45 EDT 2011 

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Hello Listers 

Its POP QUIZ FRIDAYS 
  
I hope everyone has a great holiday weekend and gets some meteorite hunting in, 
as for me, ill be stuck in the Big Apple, but will have alot of activities to 
keep me busy. 
  
Name of the game 
  
Be the 10th Listerite to email me off the List with the correct answer and you 
will win a free Meteorite Magazine from Nov 1996. Featured in that issue is 
Abee meteorite, Holbrook fall, Martian life, and Paris Exhibition.  
  
Question 
  
Which class of meteorites closely matches the chemical composition of the Sun? 
  
Good Luck 
  
Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 

  
  




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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Carl 's

Hi Shawn, Chris and all,

Buried beneath this recent Mifflin mess was Shawn's latest Pop Quiz and 
question from Chris S.concerning the first ANSMET meteorite. I, also, thought 
Mount Baldr was the first. Was this a trick question? Seems there were more 
than one who said ALH 76001, so I'm a bit confused.
 
Thanks to Shawn for the time he makes for these fun quizzes.:)
 
Carl2
 


Chris Spratt wrote:
...Thought Mount Baldr was the first. See: 
http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.
 
Shawn wrote:
Question
What is the first ANSMET meteorite to be collected?
Answer
Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team.


  
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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Becky and Kirk

I also sent in Mount Baldr??

Kirk.:-)

- Original Message - 
From: Carl 's carloselgua...@hotmail.com

To: meteorite-list@meteoritecentral.com
Sent: Monday, May 09, 2011 3:17 PM
Subject: Re: [meteorite-list] POP QUIZ Fridays Answer




Hi Shawn, Chris and all,

Buried beneath this recent Mifflin mess was Shawn's latest Pop Quiz and 
question from Chris S.concerning the first ANSMET meteorite. I, also, 
thought Mount Baldr was the first. Was this a trick question? Seems there 
were more than one who said ALH 76001, so I'm a bit confused.


Thanks to Shawn for the time he makes for these fun quizzes.:)

Carl2



Chris Spratt wrote:
...Thought Mount Baldr was the first. See: 
http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.


Shawn wrote:
Question
What is the first ANSMET meteorite to be collected?
Answer
Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team.



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[meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Shawn Alan
Kirk, Carl2, Chris, and who ever else :)

As for the question it wasn't a trick. I can see from many sources that they 
both say ALH76001 was found in Dec 76 and also Mount Baldr in Dec 76. Chris 
also had provided a link to a site which stated that the Mount Baldr was found 
in Dec 76 a month before ALH76001 but it also says ALH67001 was found in Dec76 
as well. If you guys already know this the first two numbers with the 
Antarctica meteorites corresponds to the year found and the last three numbers 
is the order of which it was looked at by scientist, which this doesn't mean 
that it was the first one found in that area from that year just means it was 
looked at in that order. 

A few weeks ago I had emailed members from MetSoc with a question and a 
professor from Berkley had told to me the ALH76001 was the first meteorite 
found by the ANSMET team, so I thought that would make a good pop quiz 
question. And now here we are with the question which one was found first. 

In the mean time I have contacted a few people that worked with the ANSMET team 
and also emailed people that were around when the team was first made back in 
the 70's. So lets see what happens because I am also interested in knowing what 
was the first meteorite found by the team on the ice because this program is 
very important to meteoritical science and be nice to know for sure.
 
 

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 










[meteorite-list] POP QUIZ Fridays Answer
Becky and Kirk bandk at chorus.net 
Mon May 9 16:55:42 EDT 2011 

Previous message: [meteorite-list] POP QUIZ Fridays Answer 
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Messages sorted by: [ date ] [ thread ] [ subject ] [ author ] 


I also sent in Mount Baldr?? 

Kirk.:-) 

- Original Message - 
From: Carl 's carloselguapo1 at hotmail.com 
To: meteorite-list at meteoritecentral.com 
Sent: Monday, May 09, 2011 3:17 PM 
Subject: Re: [meteorite-list] POP QUIZ Fridays Answer 



 

 Hi Shawn, Chris and all, 

 

 Buried beneath this recent Mifflin mess was Shawn's latest Pop Quiz and 

 question from Chris S.concerning the first ANSMET meteorite. I, also, 

 thought Mount Baldr was the first. Was this a trick question? Seems there 

 were more than one who said ALH 76001, so I'm a bit confused. 

 

 Thanks to Shawn for the time he makes for these fun quizzes.:) 

 

 Carl2 

 

 

 

 Chris Spratt wrote: 

 ...Thought Mount Baldr was the first. See: 

 http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text. 

 

 Shawn wrote: 

 Question 

 What is the first ANSMET meteorite to be collected? 

 Answer 

 Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team. 

 

 

 

 __ 

 Visit the Archives at 

 http://www.meteoritecentral.com/mailing-list-archives.html 

 Meteorite-list mailing list 

 Meteorite-list at meteoritecentral.com 

 http://six.pairlist.net/mailman/listinfo/meteorite-list 






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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Thunder Stone

Shawn:
 
Is Yamato 691 the very first ever found in Antartica? It was 1969.
 
Greg S


 Date: Mon, 9 May 2011 16:46:05 -0700
 From: photoph...@yahoo.com
 To: carloselgua...@hotmail.com; ba...@chorus.net; cspr...@islandnet.com
 CC: meteorite-list@meteoritecentral.com
 Subject: [meteorite-list] POP QUIZ Fridays Answer

 Kirk, Carl2, Chris, and who ever else :)

 As for the question it wasn't a trick. I can see from many sources that they 
 both say ALH76001 was found in Dec 76 and also Mount Baldr in Dec 76. Chris 
 also had provided a link to a site which stated that the Mount Baldr was 
 found in Dec 76 a month before ALH76001 but it also says ALH67001 was found 
 in Dec76 as well. If you guys already know this the first two numbers with 
 the Antarctica meteorites corresponds to the year found and the last three 
 numbers is the order of which it was looked at by scientist, which this 
 doesn't mean that it was the first one found in that area from that year just 
 means it was looked at in that order.

 A few weeks ago I had emailed members from MetSoc with a question and a 
 professor from Berkley had told to me the ALH76001 was the first meteorite 
 found by the ANSMET team, so I thought that would make a good pop quiz 
 question. And now here we are with the question which one was found first.

 In the mean time I have contacted a few people that worked with the ANSMET 
 team and also emailed people that were around when the team was first made 
 back in the 70's. So lets see what happens because I am also interested in 
 knowing what was the first meteorite found by the team on the ice because 
 this program is very important to meteoritical science and be nice to know 
 for sure.



 Shawn Alan
 IMCA 1633
 eBaystore
 http://shop.ebay.com/photophlow/m.html










 [meteorite-list] POP QUIZ Fridays Answer
 Becky and Kirk bandk at chorus.net
 Mon May 9 16:55:42 EDT 2011

 Previous message: [meteorite-list] POP QUIZ Fridays Answer
 Next message: [meteorite-list] Mohs hardness and meteorites
 Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

 
 I also sent in Mount Baldr??

 Kirk.:-)

 - Original Message -
 From: Carl 's 
 To: 
 Sent: Monday, May 09, 2011 3:17 PM
 Subject: Re: [meteorite-list] POP QUIZ Fridays Answer



 

  Hi Shawn, Chris and all,

 

  Buried beneath this recent Mifflin mess was Shawn's latest Pop Quiz and

  question from Chris S.concerning the first ANSMET meteorite. I, also,

  thought Mount Baldr was the first. Was this a trick question? Seems there

  were more than one who said ALH 76001, so I'm a bit confused.

 

  Thanks to Shawn for the time he makes for these fun quizzes.:)

 

  Carl2

 

 

 

  Chris Spratt wrote:

  ...Thought Mount Baldr was the first. See:

  http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.

 

  Shawn wrote:

  Question

  What is the first ANSMET meteorite to be collected?

  Answer

  Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team.

 

 

 

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  Visit the Archives at

  http://www.meteoritecentral.com/mailing-list-archives.html

  Meteorite-list mailing list

  Meteorite-list at meteoritecentral.com

  http://six.pairlist.net/mailman/listinfo/meteorite-list



 


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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Chris Spratt
The first meteorite to be found in Antarctica was Adelie Land. Found  
in 1912 by the Australasian Antarctic Expedition. An L5 stone of 2.2 lbs


Chris. Spratt
(Via my iPhone)
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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Galactic Stone Ironworks
I think, but I am not sure, that Shawn's question was not What is the
first meteorite found in Antarctica?.  I think he was asking what was
the first meteorite found by ANSMET.

Best regards,

MikeG

---
Galactic Stone  Ironworks - Meteorites  Amber

Website - http://www.galactic-stone.com
Facebook - http://www.facebook.com/galacticstone
News Feed - http://www.galactic-stone.com/rss/126516
Twitter - http://twitter.com/galacticstone
EOM - http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564


On 5/9/11, Chris Spratt cspr...@islandnet.com wrote:
 The first meteorite to be found in Antarctica was Adelie Land. Found
 in 1912 by the Australasian Antarctic Expedition. An L5 stone of 2.2 lbs

 Chris. Spratt
 (Via my iPhone)
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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Shawn Alan
Yamato 691 was recoverd before the ANSMET was founded.
 
excerpt from Meteorite, Ice, and Antarctica
 
At that time, Dr. Mort Turner was Program Manager for Geology
at the former Division of Polar Programs (now known as Office
of Polar Programs), and I had gotten to know him in the course of
events involved in my unsuccessful research proposal. In an agony
of frustration, I called him up and gave him the latest news. After
only a moment, he said in a thoughtful tone of voice, “Well, the panel
has just declined your proposal again, but they did not have this information.
I urge you to resubmit it immediately, and I think it will
be funded.” And that is the way it turned out: we were funded for
the 1976–77 summer field season, on the third try. The project would
become known as the Antarctic Search for Meteorites, or ANSMET.
The Japanese, meanwhile, recovered 307 more specimens during the
1975–76 austral summer.
 
So it seems the program was first introducted in 76-77. At that time I wonder 
if it was just the American with the program because I think now the program 
also has teams from other countries now.
 
Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 




--- On Mon, 5/9/11, Thunder Stone stanleygr...@hotmail.com wrote:


From: Thunder Stone stanleygr...@hotmail.com
Subject: RE: [meteorite-list] POP QUIZ Fridays Answer
To: photoph...@yahoo.com, carloselgua...@hotmail.com, ba...@chorus.net, 
cspr...@islandnet.com
Cc: meteorite-list@meteoritecentral.com
Date: Monday, May 9, 2011, 5:50 PM



Shawn:

Is Yamato 691 the very first ever found in Antartica? It was 1969.

Greg S


 Date: Mon, 9 May 2011 16:46:05 -0700
 From: photoph...@yahoo.com
 To: carloselgua...@hotmail.com; ba...@chorus.net; cspr...@islandnet.com
 CC: meteorite-list@meteoritecentral.com
 Subject: [meteorite-list] POP QUIZ Fridays Answer

 Kirk, Carl2, Chris, and who ever else :)

 As for the question it wasn't a trick. I can see from many sources that they 
 both say ALH76001 was found in Dec 76 and also Mount Baldr in Dec 76. Chris 
 also had provided a link to a site which stated that the Mount Baldr was 
 found in Dec 76 a month before ALH76001 but it also says ALH67001 was found 
 in Dec76 as well. If you guys already know this the first two numbers with 
 the Antarctica meteorites corresponds to the year found and the last three 
 numbers is the order of which it was looked at by scientist, which this 
 doesn't mean that it was the first one found in that area from that year just 
 means it was looked at in that order.

 A few weeks ago I had emailed members from MetSoc with a question and a 
 professor from Berkley had told to me the ALH76001 was the first meteorite 
 found by the ANSMET team, so I thought that would make a good pop quiz 
 question. And now here we are with the question which one was found first.

 In the mean time I have contacted a few people that worked with the ANSMET 
 team and also emailed people that were around when the team was first made 
 back in the 70's. So lets see what happens because I am also interested in 
 knowing what was the first meteorite found by the team on the ice because 
 this program is very important to meteoritical science and be nice to know 
 for sure.



 Shawn Alan
 IMCA 1633
 eBaystore
 http://shop.ebay.com/photophlow/m.html










 [meteorite-list] POP QUIZ Fridays Answer
 Becky and Kirk bandk at chorus.net
 Mon May 9 16:55:42 EDT 2011

 Previous message: [meteorite-list] POP QUIZ Fridays Answer
 Next message: [meteorite-list] Mohs hardness and meteorites
 Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

 
 I also sent in Mount Baldr??

 Kirk.:-)

 - Original Message -
 From: Carl 's 
 To: 
 Sent: Monday, May 09, 2011 3:17 PM
 Subject: Re: [meteorite-list] POP QUIZ Fridays Answer



 

  Hi Shawn, Chris and all,

 

  Buried beneath this recent Mifflin mess was Shawn's latest Pop Quiz and

  question from Chris S.concerning the first ANSMET meteorite. I, also,

  thought Mount Baldr was the first. Was this a trick question? Seems there

  were more than one who said ALH 76001, so I'm a bit confused.

 

  Thanks to Shawn for the time he makes for these fun quizzes.:)

 

  Carl2

 

 

 

  Chris Spratt wrote:

  ...Thought Mount Baldr was the first. See:

  http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.

 

  Shawn wrote:

  Question

  What is the first ANSMET meteorite to be collected?

  Answer

  Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team.

 

 

 

  __

  Visit the Archives at

  http://www.meteoritecentral.com/mailing-list-archives.html

  Meteorite-list mailing list

  Meteorite-list at meteoritecentral.com

  http://six.pairlist.net/mailman/listinfo/meteorite-list

Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Chris Spratt
A lot of my recent postings on ANSMET are from old resources and  my  
memory. The Japanese were not looking for meteorites per say but  
rocks,  a few of these rocks turned out to be meteorites. After  
that both countries sort of agreed to share hunting resources.


Chris Spratt
(Via my iPhone)
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Re: [meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Steve Witt
Me too.


--- On Mon, 5/9/11, Becky and Kirk ba...@chorus.net wrote:

 From: Becky and Kirk ba...@chorus.net
 Subject: Re: [meteorite-list] POP QUIZ Fridays Answer
 To: meteorite-list@meteoritecentral.com
 Date: Monday, May 9, 2011, 3:55 PM
 I also sent in Mount Baldr??
 
 Kirk.:-)
 
 - Original Message - From: Carl 's carloselgua...@hotmail.com
 To: meteorite-list@meteoritecentral.com
 Sent: Monday, May 09, 2011 3:17 PM
 Subject: Re: [meteorite-list] POP QUIZ Fridays Answer
 
 
  
  Hi Shawn, Chris and all,
  
  Buried beneath this recent Mifflin mess was Shawn's
 latest Pop Quiz and question from Chris S.concerning the
 first ANSMET meteorite. I, also, thought Mount Baldr was the
 first. Was this a trick question? Seems there were more than
 one who said ALH 76001, so I'm a bit confused.
  
  Thanks to Shawn for the time he makes for these fun
 quizzes.:)
  
  Carl2
  
  
  
  Chris Spratt wrote:
  ...Thought Mount Baldr was the first. See: 
  http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.
  
  Shawn wrote:
  Question
  What is the first ANSMET meteorite to be collected?
  Answer
  Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by
 the ANSMET team.
  
  
  
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[meteorite-list] POP QUIZ Fridays Answer

2011-05-09 Thread Shawn Alan
 to Antarctica during the 1976-1977 season, on blue ice. They weighed 
13.782 kg and 4.108 kg respectively and were found 700 m apart.

Again two stones but no mention of a helicopter. It would be nice if I could 
find out the name and location of the second base camp. Also I like to add that 
Chris also sent a link that stated that the Mount Baldr was found a month 
before the ALH76001. But I have seen that both meteorites were found in Dec 76 
and the month has to be a typeo because in the book, William states that it 
took 6 more weeks before they found more meteorites. At any rate it will be 
interesting to find out which was found first by the ANSMET team or it could be 
another stone altogether.


Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 




[meteorite-list] POP QUIZ Fridays Answer
Chris Spratt cspratt at islandnet.com 
Mon May 9 20:46:53 EDT 2011 

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Scoobie are only interested in Cheesy Mifflin Sniffing 
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A lot of my recent postings on ANSMET are from old resources and my 
memory. The Japanese were not looking for meteorites per say but 
rocks, a few of these rocks turned out to be meteorites. After 
that both countries sort of agreed to share hunting resources. 

Chris Spratt 
(Via my iPhone) 




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Scoobie are only interested in Cheesy Mifflin Sniffing 
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[meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-05-08 Thread Shawn Alan
Helli Listers

I would like to thank everyone that submitted their answers and congratulated 
John L C for being the Lister to send me the correct answer. He will be 
receiving a free Harrisonville 245mg meteorite fragment found in 1933 in Cass 
Co. Missouri.


Question


What is the first ANSMET meteorite to be collected?


Answer

Allan Hills 76001 (ALHA 76001)found in 1976 or 1978 by the ANSMET team.


For those you that would like to read up on the Antartica research trips I was 
able to find a PDF copy METEORITES,ICE, AND ANTARTICA a personal account by 
William A. Cassidy

Introduction

The Yamato Mountain Range wraps the ice sheet around its shoulders
like an old man with a shawl. Ice coming from high off the ice
plateau of East Antarctica, arriving from as far away as a subice ridge
600 km to the south, finds this mountain range is the first barrier to
its flow. The ice has piled its substance up against the mountains in
a titanic contest that pits billions of tons of advancing ice against immovable
rock, whose roots extend at least to a depth of 30 km. The
ice is moving because billions of tons of ice are behind it, pushing it
off the continent and into the sea. Ultimately it yields, diverging to
flow around the mountains. On the upstream side the rocks have been
almost completely overwhelmed – only pink granite peaks protrude
above the ice, which spills down between and around them in tremendous
frozen streams and eddies, lobes, and deeply crevassed icefalls.
The change in elevation of some 1100 m between the high plateau
upstream of the mountains and the lower ice flowing away from the
downstream slopes creates a spectacular view of this giant downward
step in the ice surface. Almost constant howling winds from the interior
blow streamers of ice crystals off the mountain peaks and “snow
snakes” dance down the slopes in sinuous trains, as if somehow connected
to each other. The scale of the scene is such that people become
mere specks in an awesome, frigid emptiness.

http://proxy.bookfi.org/genesis1/137000/375adbfbeda132a16e08963461b8dc42/_as/%5BCassidy%20R.E.%5D_Meteorites,%20Ice,%20and%20Antarctica%20A%20Personal%20Account(BookFi.org).pdf


Meteoritical Bulletin Database

DISCOVERY OF THE ALLAN HILLS A76001, ANTARCTICA, STONY METEORITE

Name: ALLAN HILLS A76001

Place of find: West of Allan Nunatak, on the edge of the Polar plateau, 
Victoria Land, Antarctica.

76°45'00S., 159°22'34E.

Date of find: January 18, 1977.

Class and type: Stone. Olivine-hypersthene chondrite (L6). Olivine Fa24.5. 

Number of individual

specimens: 1

Total weight: 20.151 kg

Circumstances of find: Sighted from a helicopter which was taxying 10-15 m 
above bare ice, during the 1976-1977 season of the U.S.-Japan Joint Antarctic 
Expedition, 80 m from Allan Hills A76002.

Source: K. Yanai, 1978. First meteorites found in Victoria Land, Antarctica, 
December 1976 and January 1977. Mem. Nat. Inst. Polar Res., Special Issue No. 
8, 51-69.

Note: Also known as Allan Nunatak No. 1 and as Allan Hills No. 1. Allan Hills 
A76001 is the name approved by the Nomenclature Committee of the Meteoritical 
Society.

See also: W.A. Cassidy, E. Olsen and K. Yanai, 1977. Antarctica: a deep-freeze 
storehouse for meteorites. Science 198, 727-73 1, where the coordinates are 
given as 76°39'27S., 159°33'16E., and E. Olsen etal., 1978. Eleven new 
meteorites from Antarctica, 1976-1977. Meteoritics 13, 209-225.


Thank you

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 



[meteorite-list] POP QUIZ FRIDAYS
Shawn Alan photophlow at yahoo.com 
Fri May 6 17:04:20 EDT 2011 

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Hello Listers, 
  
Its POP QUIZ FRIDAYS 
  
Be the 10th Lister to email me the correct answer and you will win a free 
Harrisonville 245mg meteorite fragment found in 1933 in Cass Co. Missouri. 
  
  
Question 
  
What is the first ANSMET meteorite to be collected? 
  
Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 




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Re: [meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-05-08 Thread Chris Spratt
Sent this earlier. Did not get posted. Thought Mount Baldr was the  
first. See:


http://geology.cwru.edu/~amlamp/DryValleys/MBR/MBR96text.html

Chris Spratt
Victoria, BC
(Via my iPhone)
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[meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-04-03 Thread Shawn Alan
Hello Listers

I am hoping everyone is having a great day :) I am posting the answer today 
from POP QUIZ FRIDAYS. 

Question

How many approved meteorite falls are there? 

According to Meteoritical Bulletin Database there are 1092 which show up in the 
search but with Laurence Garvie post on Red Canyon Lake fall there is 1093 
approved meteorite falls now. 

http://www.lpi.usra.edu/meteor/metbull.php

I would like to announce today that there are two winners, Matt emailed me 
first with 1092 because there was no 10th Listers with the correct answer and 
Andre B with 1093, the updated answer. Great job guys and thank you everyone 
that submits your answers. 


Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 


[meteorite-list] POP QUIZ FRIDAYS win a million $$$
Shawn Alan photophlow at yahoo.com 
Fri Apr 1 16:41:58 EDT 2011 

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Hello Listers 

Yes today is POP QUIZ FRIDAYS but no million $$$ April fools, but you do have a 
chance to win 115mg LOT of Saratov meteorite which fell 1918 in Russia. 

Name of the game be the 10th Lister to email me off the list with the correct 
answer and you win. 

Question 

How many approved meteorite falls are there? 

Good Luck 

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 




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[meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-03-27 Thread Shawn Alan
Hello Listers,

I would like to thank everyone that sent in their answers and I enjoyed the 
feedback on this POP QUIZ question. I would like to congratulate Andre b being 
the 10th Lister to email the correct answer. Andre will receive a  free 115mg 
Saratov meteorite fragment which fell on Sept. 6th, 1918 in Russia.
 
Question
 
True or False 
  
The absorption and reemission of electromagnetic radiation on small 
size asteroids in the range of 1-10km can have a tiny force that leads to 
large, long-term effects in the orbits of the small bodies?
 
Answer
 
True
 
If you would like to learn more about this process which in the meteoritcal 
science community is know as the Yarkovsky effect , discovered by a Russian 
civil engineer Ivan Osipovich Yarkovsky (1844–1902) click on these links below.
 
http://www.jpl.nasa.gov/releases/2003/163.cfm
 
http://impact.arc.nasa.gov/news_detail.cfm?ID=132
 
http://www.boulder.swri.edu/~davidn/papers/kyarko.pdf
 

Detection of the Yarkovsky effect for main-belt asteroids
by
David Nesvorný ∗, William F. Bottke

Abstract

The Yarkovsky effect, a non-gravitational acceleration produced by the 
anisotropic emission of thermal energy (Öpik, 1951, Proc. Roy.
Irish Acad. 54, 165–199), plays an important role in the dynamical evolution of 
asteroids. Current theoretical models of the Yarkovsky effect,
however, rely on a number of poorly known parameters that can only approximate 
how real asteroids respond to solar heating. To improve
this situation, we investigated whether the orbital distribution of the Karin 
cluster, a 5.8 ± 0.2 Myr old S-type asteroid family (Nesvorný
et al., 2002a, Nature 417, 720–722), could be used to determine the rate at 
which multikilometer main-belt asteroids spread in semimajor
axis due to the Yarkovsky effect. Our results indicate that the orbital 
histories of individual Karin cluster members bear clear signatures of
having drifted in semimajor axis drift since their formation. Using numerical 
methods, we determined the drift speed of ≈ 70 Karin cluster
members (asteroids 1–6 km in diameter). This is the first time the speed that 
main-belt asteroids evolve in the semimajor axis due to the
non-gravitational effects have been measured. The magnitude of measured speeds 
is similar to those predicted by theoretical models of the
Yarkovsky force. Taken together, our results represent the first direct 
detection of the Yarkovsky effect for main-belt asteroids, and they
validate in significant ways the asteroid thermal models described in the 
recent literature (e.g., Vokrouhlický, 1999, Astron. Astrophys. 344,
362–366). By comparing the measured drift speeds to those calculated from 
theoretical models of the Yarkovsky effect, we determined that
Karin cluster members do not have surface thermal conductivities K in excess of 
∼ 0.1Wm−1 K−1. Instead, their derived K values are
consistent with the presence of regolith over most/all of their ∼ 5.8 Myr 
lifetimes. This low-conductive regolith layer may be thin because
the penetration depth of the diurnal thermal wave is  5 cm. The regolith 
material may have been deposited in the immediate aftermath
of the Karin cluster formation event or was produced over time by impacts. Our 
method also allows us to estimate spin obliquity values
for Karin cluster members. We find that members with diameters  3.5-km are 
predominantly retrograde rotators, while those  3.5-km
have obliquities more equally distributed between 0◦ and 180◦. These data may 
be used to study the spin states of asteroids produced by
catastrophic disruption events. Interestingly, we find that a few Karin members 
have drifted further than predicted by our standard Yarkovsky
model. We hypothesize these objects may have: (i) faster drift speeds than 
predicted by theoretical models, (ii) high albedos ( 0.3), and/or
(iii) densities  2 gcm−3.
 

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 


 
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[meteorite-list] POP QUIZ FRIDAYS ANSWER

2011-03-20 Thread Shawn Alan
Hello Listers 


I like to thank everyone that submitted their answers to me for this 
installment of POP QUIZ FRIDAYS. I would have to say the question I asked was 
kinda a hard one to research on the Internet, but if you some poking around, 
you would have found the answer. I would like to congratulate Regine P. being 
the first Lister to give me the correct answer because I didnt get a 7th Lister 
to send me the right answer. Regine won a free issue of Meteorite magazine from 
Feb 1998 which this issue has great images taken by Martin G. Horejsi, article 
about The Burnwell meteorite, Centerpiece about Melrose(a), and a visit about 
the old woman meteorite and not to mention other great articles to read about. 
I also have to add I enjoy looking at the AD's from 1998 and comparing them to 
now.


The question:

Please tell me how many F Class asteroids there are in the main belt.


The answer:

The rarity of F-class asteroids (only
4%, 92 of 2000 classified asteroids) and ureilites (only
0.6% of meteorite falls, 6 of 987) suggests that the
source region in the asteroid belt is a spectral anomaly.

The answer can be found in the Oct-Nov 2010 Maps issue in the article called 

Almahata Sitta (=asteroid 2008 TC3) and the search for the ureilite parent body
 By

Peter JENNISKENS1*, Je´re´mie VAUBAILLON2, Richard P. BINZEL3, Francesca E. 
DeMEO3,4,
David NESVORNY´ 5, William F. BOTTKE5, Alan FITZSIMMONS6, Takahiro HIROI7,
Franck MARCHIS1, Janice L. BISHOP1, Pierre VERNAZZA8, Michael E. ZOLENSKY9,
Jason S. HERRIN9, Kees C. WELTEN10, Matthias M. M. MEIER11, and Muawia H. 
SHADDAD1

If by chance you dont have Maps and cant access the article on the Internet 
email me off the List and Ill send you a pdf file with the information.


Till next time, rock on :)

Shawn Alan 
IMCA 1633 
eBaystore 
http://shop.ebay.com/photophlow/m.html 

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