manicouagan

Suvasvesi North

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Suvasvesi N  Finland  N 62° 42'  E 28° 10'  4  < 1000  N  Y  C  -

View from the SW over Haapaselkä lake. Photo Sept. 2001 Submitted by Harald Stehlik

References
Henkel, H., Pesonen, L. J., Impact craters and craterform structures in Fennoscandia. Tectonophysics, v. 216, pp. 31-40. 1992.
Lehtinen, M., Pesonen, L.J., Stehlik,H.and M.Kuulusa., The Suvasvesi South structure, Central Finland: New evidence for impact. Abstracts of the 33rd LPSC, Houston, Texas March 4-8, 2002. 2002.
Ohman, T., Badjukpv, D., Raitlala, J., Petrova, T., Stehlik,H., Impactites of the Paaselka and Suvasvesi South Craters, Finland, Lunar and Planetary Science XXXIV. 2003.
Pesonen, L. J., Lehtinen, M., Deutsch, A., Elo, S. and Lukkarinen,H., New geophysical and petrographic results of the Suvasvesi N impact structure, Finland (abstract). Lunar and Planetary Science, v. XXVII, pp. 1021-1022. 1996.
Pesonen, L. J., The impact cratering record of Fennoscandia, Earth, Moon, and Planets, v 72, p 377-393. 1996.
Pesonen, L. J., A new double impact crater discovered in Finland: A consortium study is under plan. Oist-Ostersund Newsletter, pp. 5. 1994.
Werner, S., Plado, J., Pesonen, L.J., Janle, P. and Elo,S., A subsurface model of the Suvasvesi N impact structure, SE Finland, E. Petrovsky, A. Hirt, R. Scholger, L.J. Pesonen, C. Auborg(editors), Phys. Chem. Earth (in print). 2002.
Werner, S., Plado, J., Pesonen, L.J. and Kuulusa,M., The two Suvasvesi lakes in Finland - a possible doublet impact structure, Meteorites and Planetary Science, Supplement, v. 36, Sept. 2001, p. A223. 2001.
Werner, S., Janle, P. and Pesonen,L.J., Suvasvesi N - modelling gravimetric and aeromagnetic data of a Finnish impact structure, Plado, J. and L.J. Pesonen (eds.), Meteorite Impacts In Precambrian Shields, Programme and Abstracts, the 4th Workshop of the European Science Foundation Impact Programme, Lappajarvi-Karikkoselka -Saaksjarvi, Finland, May 24-28, 2000. Geological Survey o. 2000.
Werner, S. C., Plado, J., Pesonen, L.J. and Kuulusa,M., The two Suvasvesi lakes in central Finland - a possible double impact structure, Meteoritics & Planetary Science, Vol. 36, No.9, Supplement, p. A223-224. 2001.
Werner, S. C., Janle, P. and Pesonen,L.J., Suvasvesi N - modeling gravimetric and aeromagnetic data of a Finnish impact structure, 4th ESF Workshop, p. 38. 2000.
* pre-1977 K-Ar, Ar-Ar and Rb-Sr ages recalculated using the decay constants of Steiger and Jager (1977) Ages in millions of years (Ma) before present.

** Abbreviations: C - Crystalline Target; C-Ms - Metasedimentary Target; M - Mixed Target (i.e.sedimentary strata overlying crystalline basement); S - sedimentary target (i.e. no crystalline rocks affected by the impact event). From Osinski. G. R., Spray J. G., and Grieve R. A. F. 2007. Impact melting in sedimentary target rocks: A synthesis. In The Sedimentary Record of Meteorite Impacts, Geological Society of America Special Paper. Editors: Evans K. Horton W., King D., Morrow J., and Warme J. Geological Society of America: Boulder, in press.

***From Koeberl,C. Identification of meteoritic components in impactites. 1998, Koeberl, C. The Geochemistry and Cosmochemistry of Impacts. 2007 and PASSC Files. (IAB, IIIAB, IIIB, IIID - Iron Meteorite)