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

 

Paasselkä

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Paasselkä
Finland
N 62° 2'
E 29° 5'
10
< 1800
Y
Y
-
-

 

References
Kuivasaari, T., Pesonen, L.J., Elo, S., Plado, J., Lehtinen,M., Paasselkä - the ninth meteorite impact structure in Finland, 4th ESF Workshop, p. 79. 2000. 
Lehtinen, M., Pesonen, L., Paasselästa Suomen yhdeksäs kraatteri. Tähdet ja avaruus, v.3, p.34-35. 1999. 
Ohman, T., Badjukpv, D., Raitlala, J., Petrova, T., Stehlik,H., Impactites of the Paasselkä and Suvasvesi South Craters, Finland, Lunar and Planetary Science XXXIV. 2003. 
Pesonen, L. J., Kuivasaari, T., Lehtinen, M., Elo,S., Paasselkä: A New Meteorite Impact Structure in Eastern Finland, Meteoritics; vol. 34, No. 4, Supp. p. A90-1. 1999. 
Pesonen, L. J., Lehtinen, M., Yhdeksäs kraatteri loytyi idästä. Helsingin Sanomat 17.4.1999, s.D1. 1999. 
Schmieder, M., Moilanen, J. and Buchner, E., Impact melt rocks from the Paasselkä impact structure (SE Finland): Petrography and geochemistry, Meteoritics & Planetary Science, v. 43, no. 7, p. 1189-1200. 2008.
Schmieder, M., Schwarz, W.H., Buchner, E., Trieloff, M., Moilanen, J., Ohman, T. A Middle-Late Triassic (super 40) Ar/ (super 39) Ar age for the Paasselka impact structure (SE Finland). Meteoritic & Planetary Science, vol.45, pp.572. 2010.

 

* 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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