manicouagan

Shunak

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Shunak  Kazakhstan  N 47° 12'  E 72° 42'  2.8  45 ± 10  Y  Y  C  -

Photo

References
Borisenko, D. M., Levin, V. N., Ring structures-are they diatremes or meteorite craters? (example of the Tortkul and Shunal structures) (in Russian). Doklady Akademii Nauk SSSR, v. 237, pp. 1430-1433. 1977.
Dabizha, A. I., Fel'dman, V. I., The geophysical properties of some astroblemes in the USSR (in Russian). Meteoritika, v. 40, pp. 91-101. 1982.
Fel'dman, V. I., Dabizha, A.I. and Granovskiy,L.B., The Shunak meteor crater (in Russian). Meteoritika, v. 38, pp. 99-103. 1979.
Fel'dman, V. I., Granovsky, L.B. and Lomonosov,M.V., Meteoritic crater Shunak, the central Kazakhstan, U.S.S.R. (abstract). Lunar and Planetary Science IX, pp. 312-313. 1978.
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.
Khryanina, L. P., Meteorite craters on Earth (in Russian). Moscow, Nedra, pp. 47-55. 1987.
Khryanina, L. P., Zeylik, B. S., The geological structure of the Shunak crater (Pribalkhash') and the evidence of meteorite impact (in Russian). Akademii Nauk SSSR Izvestiya, seriya geologicheskaya, v. 3, pp. 124-134. 1980.
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.
Zotkin, I. T., Dabizha, A. I., Evolution of a meteorite crater as a process of random displacements (in Russian). Meteoritika, v. 40, pp. 82-90. 1982.
* 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)