[meteorite-list] RE: impact area

From: Pekka Savolainen <pekka.savolainen_at_meteoritecentral.com>
Date: Thu Apr 22 10:22:36 2004
Message-ID: <3EE64846.7030409_at_dlc.fi>

Hello, Paul and the list,

you can find a list of the current known impact structures
(198 pcs) from Jarmo Moilanen´s site;

http://www.netppl.fi/~jarmom/geo/imp/impacts.htm

Also some quite good information about the topic. I´m living
nearby Suvasvesi N impact structure, and it seems, we have
a double-one, also Suvasvesi S is an impact crater. Like Clear-
water in Canada or Ries-Steinham in Germany. The finnish
impact structures can be found from;

http://www.netppl.fi/~jarmom/geo/imp/fincrat_e.htm

and from;

http://www.gsf.fi/paleo/impacts.html

The list of general literature to impact structures and cratering process;

http://www.gsf.fi/paleo/files/literatu.html#general

Well, some good books to read, areromagnetic maps of the area,
if you can find any, and so on.Then the legwork; you just have to find some
shatter-cones, PDF-formated quarz, suevite and some another impactite
materials to prove you have a real crater...;-

There are lot of impact structures to find, and also lot of people, who
think, they have found a structure, but they have not, so good luck to
you and your crater, keep me updated about the project.

take care,

pekka



Paul Heinrich wrote:

>On Tue, 10 Jun 2003 12:33:57 -0500
>docnpat docnpat_at_tri-lakes.net asked:
>
>>Nearby is very possibly a large impact
>>crater. I would like to know more about
>>impact craters -- structure, characteristics,
>>etc. Can any of you give me some advice
>>about material to study?
>>
>
>On Tue, 10 Jun 2003 11:41:37 -0700 (PDT)
>Mark Jackson b0rtz2003_at_yahoo.com replied:
>
>+Books: Rocks From Space by O. Richard Norton
>+ Cambridge Encyclopedia Of Meteorites
>+ http://www.vftn.org/projects/moschkau/index.htm
>+ http://www.unb.ca/passc/ImpactDatabase/
>+ http://astrogeology.usgs.gov/
>+
>+ A few things to get you started . . . good luck.
>+Impacts are a bear to prove.
>
>I would also recommend looking at:
>
>1. Traces of Catastrophe: A Handbook of Shock-
>Metamorphic Effects in Terrestrial Meteorite
>Impact Structures by Bevan M. French (1998) at:
>http://www.lpi.usra.edu/publications/books/CB-954/CB-954.intro.html
>
>2. Koerbel, C., 1997, Impact cratering: the
>mineralogical and geochemical evidence. , in
>K. S. Johnson and J. A. Campbell, eds., Ames
>Structure in Northwest Oklahoma and Similar
>Features: origin and Petroleum Production (1995
>Symposium): Oklahoma Geological Survey Circular,
>no. 100, p. 30-54.
>
>3. Montanari, A., and Koeberl, C., 2000, Impact
>Stratigraphy: The Italian Record. Lecture Notes
>in Earth Sciences, Springer, 364 pp.
>
>4. Grieve, R. A. F., 1991, Terrestrial impact:
>The record in the rocks: Meteoritics, v. 26,
>pp. 175-194.
>
>
>Yours
>
>Paul
>Baton Rouge, LA
>
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-- 
Pekka Savolainen
Jokiharjuntie 4
FIN-71330 Rasala
FINLAND
+ 358 400 818 912
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Received on Tue 10 Jun 2003 05:06:14 PM PDT