[meteorite-list] New Met Bulletin Approvals - new Czech meteorites

[Jan Woreczko & Wadi]

Ha
There is no certainty, it is a fact.
Perhaps Benesov meteorite had a double lithology, such as Almahata Sitta?
The weathering grade W3 is not difficult to achieve in humid climates of 
Central Europe.
Thank you for your response.
Best
Woreczko

----- Original Message ----- 
From: "Gary Fujihara" <fujmon at mac.com>
To: "Jan Woreczko - www.meteoritica.eu" <ebay at biol.uw.edu.pl>
Cc: <meteorite-list at meteoritecentral.com>
Sent: Tuesday, February 21, 2012 6:04 PM
Subject: Re: [meteorite-list] New Met Bulletin Approvals - new Czech 
meteorites


Aloha Jan,

>From just a cursory glance at the metbull entry for Benesov (a), I would 
surmise a reason for the non-fall classification is due to the fact that 
much time had elapsed from the witnessed fireball on May 7, 1991 and the 
actual recovery of material on April 9, 2011.  Because almost twenty years 
had passed, there can be no assurance that the recovered pieces are 
associated with the witnessed sightings.

Additionally, Benesov (a) is an LL3.5 and Benesov (b) is an H5 and were 
found on the same day 250m apart, both with a weathering grade of W3. 
Characteristics are "Weathered fragments lacking fusion crust.  The 
meteorites resemble the terrestrial stones and slag found in the field."  To 
me, this implies that the recovered pieces have a terrestrial age greater 
than 20 years.

gary

On Feb 21, 2012, at 6:18 AM, Jan Woreczko - www.meteoritica.eu wrote:

> Ha
> Why are these findings are not classified as a falls?
>
> Benešov (a)   http://www.lpi.usra.edu/meteor/metbull.php?code=54854
> Benešov (b)   http://www.lpi.usra.edu/meteor/metbull.php?code=54855
>
> http://translate.google.pl/translate?sl=pl&tl=en&js=n&prev=_t&hl=pl&ie=UTF-8&layout=2&eotf=1&u=http%3A%2F%2Fwiki.meteoritica.pl%2Findex.php5%2FBene%25C5%25A1ov
>
>
> Best wishes,
> Woreczko
>
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Gary Fujihara
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