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Earth Impact Database Sorted by : | Age | Diameter | Name |
Ragozinka
Crater Name |
Location |
Latitude |
Longitude |
Diameter (km) |
Age (Ma)* |
Exposed |
Drilled |
Target Rock** |
Bolide 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) |
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