manicouagan

Ragozinka

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Targed Rock**  Bolid Type***
 Ragozinka  Russia  N 58° 44'  E 61° 48'  9  46 ± 3  N  Y  M  -

References

Grieve, R. A. F., Masaitis, V. L., The economic potential of terrestrial impact craters. International Geology Review, v. 36, pp. 105-151. 1994.
Vishevsky, S. A., Lagutenko, V. N., The Ragozinka Astrobleme: An Eocene crater in the central Urals (in Russian). Doklady Akademii Nauk SSSR, v. 14, 42 p. 1986.
Vishnevsky, S. A., Ragozinka: Eocenian marine impact crater on the middle Urals, Russia, Meteoritics & Planetary Science, 34, No. 4, Supplement, p. A117. 1999.
* 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)