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Re: 1400Ma old meteorite layer?



>
>Jarmo Moilanen wrote:
>> 
>> There was a news in text-tv of Finnish television:
>> 
>> "Ancient material from space has been found in Köyliö (or Koeylioe)
>> 
>> The oldest meteoritelayer in the world has been found in Koeylioe.
>> 
>> Over 1400Ma old Micrometeorites fossils has been found in sandstone of
>> Satakunta (SW part of Finland).
>> 
>> There was a lecture on findings from Koeylioe already 30 years ago in Turku
>> University. By help from Münster University age of micrometeorites was
>> confirmed just recently. Magnetical studies was made in laboratories of
>> Geological Survey of Finland in Espoo.
>> 
>> About 20 spherules from space were found in sample. Diameters of those are
>> about 0,2mm. They have formed when meteorites has melted in upper part of
>> atmosphere."
>> 
>> (Translated by me.)
>> 
>> The article about these findings has been published in the latest
>> Nature-magazine and in conference which was held in March in Houston, Texas.
>> 
>> There is four photos in GSF homepages:
>> http://www.gsf.fi/domestic/lehtiin/naturekuva.jpg
>> 
>> Regards,
>> Jarmo
>> 
>> ********************************
>> Jarmo Moilanen
>> Vattukuja 14 as 14
>> FIN-90460 Oulunsalo
>> FINLAND
>> e-mail: jarmom@netppl.fi
>> homepage: http://www.netppl.fi/~jarmom/index.htm
>> ********************************
>> 
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>
>
>To all,
>
>One of the small pleasures I've recently enjoyed has been to purchase a
>small vial of Devonian "conodont sand" from Stratigraphics for a few
>dollars (Rich Hamell ).  While sorting thru the
>sand for nanofossils of conodont jaws and placoderm teeth (again using
>Mike Blood's Russian stereoscope!), I'v come across several perfectly
>spherical jet black grains with visible pitting and flow lines very
>reminescent of Indochinites.  It makes sense to me that these also
>represent microtektites or ablated droplets of meteorites. One hour of
>this microsorting has yielded three tiny spherules, all three very
>uniform in size and appearance.  I haven't even checked to see if
>they're magnetic. I wonder what more could be learned from these tiny
>treasures??  And I rather suspect that if more of us were to start
>scrutinizing rain gutters and such, that these extraterrestrials are not
>at all rare.
>
>Joseph
>Honolulu
>
>----------

I remember reading in Nininger's published papers something about
checking rain gutters.  He was able to identify quite a bit of 
meteoric material in the dust.


Steve Schoner

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