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

 

Saarijärvi

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Saarijärvi
Finland
N 65° 17'
E 28° 23'
1.5
> 600
-
Y
C
-

 

References
Ohman, T., Pesonen, L. J., Elo, S., Uutela, A., Tuiska, P., Raitala,J., The origin and evolution of the Saarijarvi imapct structure, 66th Annual Meteoritical Society Meeting. 2003.
Ohman, T., Pesonen, L.J., Raitala, J., Uutela, A. and Tuisku,P., The Saarijarvi crater - older and larger than assumed? 4th ESF Workshop, p. 82. 2000.
Pesonen, L. J., The lake Saarijarvi - A new meteorite impact structure in northern Finland, Lunar and Planetary Science 29, Abs. 1262. 1998.
Pesonen, L. J., Abels, A., Lehtinen, M., Tuukki,P., The Lake Saarijarvi: A New Impact Structure in Northern Finland, 61st Annual Meteoritical Society Meeting.

 

* 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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