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Earth Impact Database Sorted by : | Name | Diameter | Age |


Suvasvesi S

Crater Name
Diameter (km)
Age (Ma)*
Target Rock**
Bolide Type***
Suvasvesi S
N 62°36'
E 28° 13'
~ 250


Buchner, E., Schmieder, M., Schwarz, W.H., Trieloff, M., Moilanen, J., Ohman, T., Stehlik, H., and Anonymous. A Proterozoic (super 40) Ar/ (super 39) Ar age for the Suvasvesi South Structure (Finland). Meteoritics & Planetary Science, vol.44. 2009.
Donadini, F., Plado, J., Werner, S. C., Salminen, J., Pesonen, L. J., and Lehtinen, M. 2006. New Evidence for Impact from the Suvasvesi South Structure, Central East Finland. In Impact Studies (pp. 287–307). Springer Science $\mathplus$ Business Media. Retrieved from http://dx.doi.org/10.1007/3-540-25736-5_13. 
Werner, S.C., Plado, J., Pesonen, L.J., Kuulusa, M., Consolmagno, G.J. The two Suvasvesi lakes in central Finland; a possible doublet impact structure. Meteoritics & Planetary Science, vol.36, pp.223. 2001.


* 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)



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