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

 

Sääksjärvi

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Sääksjärvi
Finland
N 61° 24'
E 22° 24'
6
~ 560
Y
Y
M
Stony-iron?

 

Photograph by Jarmo Moilanen
view from South

Photograph by Andrius Rimsa

References
Allen, C. C., Keil, K., Hydrothermal alteration of melt rocks in impact craters (abstract). Meteoritics, v. 16, pp. 288-289. 1981.
Basilevsky, A. T., Fel'dman, V.I., Kapustkina, I.G. and Kolesov,G.M., On the distribution of iridium in the rocks of terrestrial impact craters (in Russian). Geokhimiya, v. 6, pp. 781-790. 1984.
Bottomley, R. J., York, D. and Grieve,R.A.F., 40Argon-39Argon dating of impact craters. Proceedings Lunar and Planetary Science Conference 20th, pp. 421-431. 1990.
Bottomley, R. J., 40Ar-39Ar dating of melt rocks from impact craters. Unpublished Ph.D. Thesis, University of Toronto, Ontario, 104 p. 1982.
Bottomley, R. J., York, D. and Grieve,R.A.F., 40Ar-39Ar dating of Scandinavian impact craters (abstract). Meteoritics, v. 12, pp. 182-183. 1977.
Elo, S., Kivekas, L., Kujala, H., Lahti, S.I. and Pihlaja,P., Recent studies of the Lake Saaksjarvi meteorite impact crater, southwestern Finland (extended abstract). Tectonophysics, v. 216, pp. 163-167. 1992.
Elo, S., Kivekas, L., Kujala, L., Lahti, S.I. and Pihlaja,P., Recent studies of Lake Saaksjarvi meteorite impact crater, southwestern Finland (abstract). In: Pesonen, L.J. and Niemisara, H., eds., Symposium Fennoscandian Impact Structures, p. 44. 1990.
Grieve, R. A. F., The record of impact on Earth: Implications for a major Cretaceous/Tertiary impact event. Geological Society of America, Special Paper 190, pp. 25-37. 1982.
Gurov, E. P., Gurova, E. P., Impact structures on the Earth's surface (in Russian). Geologicheskii Zhurnal, v. 47, pp. 117-124. 1987.
Henkel, H., Pesonen, L. J., Impact craters and craterform structures in Fennoscandia. Tectonophysics, v. 216, pp. 31-40. 1992.
Kinnunen, K. A., Lindqvist, K., Agate as an indicator of impact structures: An example from Sääksjäarvi, Finland. Meteoritics & Plantary Science, v. 33, pp. 7-12. 1998.
Koljonen, T., Rosenberg, R. J., Major elements and REE in tektites and three probable shock-metamorphic rock series of the Baltic shield. Geochemical Journal, v. 10, pp. 1-11. 1976.
Masaitis, V. L., Danilin, A.N., Maschak, M.S., Raykhlin, A.I., Selivanovskaya, T.V. and Shadenkov,Ye.M., The Geology of Astroblemes (in Russian). Leningrad, Nedra, 231 p. 1980.
Müller, N., Hartung, J.B., Jessberger, E.K. and Reimold,W.U., 40Ar-39Ar ages of Dellen, Janisjärvi, and Sääksjärvi impact craters. Meteoritics, v. 25, pp. 1-10. 1990.
Müller, N., Hartung, J.B., Jessberger, E.K. and Reimold,W.U., 40Ar-39Ar dating of some Fennoscandian impact craters. Symposium Fennoscandian Impact Structures, p. 37. 1990.
Mutanen, T., Lake Saaksjarvi: An astrobleme after all (in Finnish). Geology, v. 31, pp. 125-130. 1979.
Palme, H., Rammensee, W. and Reimold,W.U., The meteoritic component of impact melts from European impact craters (abstract). Lunar and Planetary Science XI, pp. 849-850. 1980.
Palme, H., The meteoritic contamination of terrestrial and lunar impact melts and the problem of indigenous siderophiles in the lunar highland. Proceedings Lunar and Planetary Science Conference 11th, pp. 481-506. 1980.
Papunen, H., Chemical composition and origin of the shock metamorphic rocks of the Saaksjarvi area, Finland. Bulletin of the Geological Society of Finland, v. 45, pp. 29-34. 1973.
Papunen, H., Possible impact metamorphic textures in the erratics of the Lake Saaksjarvi area in southwestern Finland. Bulletin of the Geological Society of Finland, v. 41, pp. 151-155. 1969.
Pihlaja, P. J., Kujala, H., Some geochemical features of impact melts, suevites and target rocks at Saaksjarvi impact structure, Finland, 4th ESF Workshop, p. 50. 2000.
Schmidt, G., Palme, H. and Kratz,K.-L., Highly siderophile elements (Re, Os, Ir, Ru, Rh, Pd, Au) in impact melts from three European impact craters (Sääksjärvi, Mien, and Dellen): Clues to the nature of the impacting bodies. Geochimica et Cosmochimica Acta, v. 61, pp. 2977-2987. 1997.
Schmidt, G., Palme, H. and Kratz,K.L., The fractionation of highly siderophile elements (HSE) in impact melts and the determination of the meteoritic components, Meteoritics, v. 30, pp. 573-574. 1995.
Schmidt, G., Palme, H., Kratz., The Fractionation of Os, Re, Ir, Ru, Rh, Pd and Au in Impact Melts from European Impact Craters (Saaksjarvi, Mien and Dellen) and the Determination of the Meteoritic Components, 26th Lunar and Planetary Science Conference. 1995.
Stoffler, D., Maerz, U. and Reimold,W.U., Scandinavian impact structures: Geology and petrology of impact formations (abstract). Meteoritics, v. 14, p. 540. 1979.
Stöffler, D., Maerz, U and Reimold,W U., Scandinavian impact structures: Geology and petrology of impact formations (abstract). Meteoritics, v. 14, p. 540. 1979.
Tagle, R., Schmitt, R.T., Erzinger, J. Identification of the projectile component in the impact structures Rochechouart, France and Saaksjarvi, Finland; implications for the impactor population for the Earth. Geochimica et Cosmochimica Acta, vol.73, pp.4891. 2009.

 

* 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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