[meteorite-list] Metal Tektite's?

From: Pat Brown <radio_ranch_at_meteoritecentral.com>
Date: Sun Apr 23 12:42:37 2006
Message-ID: <20060423062033.13849.qmail_at_web51311.mail.yahoo.com>

Hi Kevin,

Nope, I don't think there are metal tektites.

The tektite origin theory that is most widely accepted
is that Tektites are terrestrial material melted into
a glass by the heat of a large meteorite impact. Since
the material on the surface of earth is mostly
silicate, tektites are essentially glass. There is
very little of the earth's surface that is covered by
any metal in its metallic state. Therefore metal
tektites are very highly unlikely.

Now, that said there are tektites with very small
(smaller than 1/16") balls of metal inside the glass.
This is believed to be caused by vaporization of a
nickel-iron meteorite on impact, followed by cooling
of the meteoritic metal and coalescing the metal into
tiny spheres which get encapsulated in the glass
formed by melting the soil and rock in the impact
area.

Pat in Eastern Washington

--- kevin decker <innocentwolf15_at_hotmail.com> wrote:


---------------------------------

Hello,Does anyone here beleive that there might be
Metal Tektite's?..Thank's..Kevin W.Decker.




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Received on Sun 23 Apr 2006 02:20:33 AM PDT