[meteorite-list] Lightening glass was Question for Ted ?

From: MEM <mstreman53_at_meteoritecentral.com>
Date: Mon, 26 Jul 2010 09:02:05 -0700 (PDT)
Message-ID: <332315.67951.qm_at_web55206.mail.re4.yahoo.com>

Yes , it could be a fulgurite but it remains difficult to reconstruct the
physics of what is described.. Being as a 4 time lightening survivor myself,
which may account for some of my quirkiness, I see glass in my dreams.


Someone on this list a few years ago offred specimens of glass from a lightening
strike which shot glass out of the hole left in a granite slab. The glass
draped over a bush and left long, stringy, taffy-like threads of black glass.
It is awesome material, especially knowing how it came to be. Not your classic
fulgurite.

Also recently there was a NWA recovered which had small fragments apparently
embedded in a black glass on one side suggesting that a swarm of fragments
drafting the larger mass inside its slipstream. The swarm caught up to it and
adhered to the fused pool of material on the downwind side of the stone. What
has become of that recovery? Anyone formally researching it?

Elton

----- Original Message ----
> From: Michael Fowler <mqfowler at mac.com>
> Lightning strikes, which are especially common on mountain peaks, or other tree
>less high standing rock outcrops.
>
> Mike Fowler
> Chicago
> ebay-starsandrocks

> > Can a volcano or earth quake squeeze surface rock so hard it causes it to
>bleed glass? And then throw it in the air with enough force to cause the glass
>to form a dendritic pattern? On one side of the rock? The rock is white and
>looks like anorthosite. The surface of the rock is peach colored and ripled
>like regmalypts. The glass is black and shiny with some splatering and
>flattened and in some places encrusted with dirt when it landed while still
>melted. The glass looks like tar that was dropped onto the ground. I at first
>thought it was road tar mixed with rocks and dirt. But it doesntdisolve in
>gasoline or melt under a torch. It looks kind of like you took a white sponge
>and squeezed it to ooze out black shiny paint. The side that looks like
>regmalypts also has a few spots that look like zap pits. Any Idea what would
>make glass dendrites? Have a great day Steve
>
>
>
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Received on Mon 26 Jul 2010 12:02:05 PM PDT