: Wednesday, August 10, 2005 2:20 AM
To: Göran Axelsson; meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Question on oriented SA shrapnel
G'day Göran,
My understanding (and I could be wrong here?) was that most Sikhote-Alin
shrapnel was formed when the piece/s detonated in the air
.
- Original Message -
From: mark ford [EMAIL PROTECTED]
To: meteorite-list@meteoritecentral.com
Sent: Wednesday, August 10, 2005 11:38 AM
Subject: RE: [meteorite-list] Question on oriented SA shrapnel
Hi Göran,
Yep, I've also got a few sikhote shrapnels with definite flow lines, so must
have
AM
To: mark ford; meteorite-list@meteoritecentral.com
Subject: Re: [meteorite-list] Question on oriented SA shrapnel
Göran, Mark, Jeff, List
here a nice vizualisation of the fragmentation processes of Sikhote.
According to this model,
the pieces of the 3th and 4th fragmentation can't have flow
I've been around this so long ,it never occured to to think this was the
result of ground impact, but I understand how it would look that way.
When one thinks about it, All or the SAwe find was shrapnel-form at the
beginning of breakup. Fragments which separated earlier had longer
opportunity
I was looking through some of Michael Farmers auctions on Ebay
and one piece made me puzzled.
It was a 7 kg oriented Sikhote-Alin that had flowlines. I thought that
all the shrapnel pieces were created when larger meteorites impacted
and tore the metal apart.
But flowlines should mean that this
of the meteorite (coarsest
octahedrite) was no longer able to support it.
Cheers,
Jeff
- Original Message -
From: Göran Axelsson
To: meteorite-list@meteoritecentral.com
Sent: Wednesday, August 10, 2005 9:42 AM
Subject: Re: [meteorite-list] Question on oriented SA shrapnel
I was looking through
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