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

 

Suavjärvi

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Suavjärvi
Russia
N 63° 7'
E 33° 23'
16
~ 2400
-
-
C-Ms
-

 

***

References
Mashchak, M. S., Naumov, M. V., The Suavjarvi structure: An early proterozoic impact site on the Fennoscandian shield (abstract). Lunar and Planetary Science, v. XXVII, pp. 825-826. 1996.
Mashchak, M. S., Naumov, M. V., The Suavjarvi Structure: An early proterozoic Impact site on the fennoscandian shield. Lunar and Planetary Science XXVII pp. 825-826. 1996.
Mashchak, M. S., Orlova, Zh V., Shock deformations in lower Proterozoic breccias of the Lake Suav'yarvi region (central Karelia) (in Russian). Meteoritika, v. 45, pp. 137-141. 1986.

 

* 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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