Logancha
| Crater Name | Location | Latitude | Longitude | Diameter (km) | Age (Ma) | Exposed | Drilled | Target Rock** | Bolide Type*** |
|---|---|---|---|---|---|---|---|---|---|
| Logancha | Russia | N 65° 31' | E 95° 56' | 20 | 40 ± 20 | N | N | M | - |
***
References |
Dietz, R. S., McHone, J. F., Astroblemes recently confirmed with shatter cones (abstract). Meteoritics, v. 26, p. 332. 1991. |
Fel'dman, V. I., Mironov, Yu.V., Melikhov, B.A., Ivanov, B.A. and Basilevsky,A.T., Astroblemes on trap rock: Structural features and differences from impact structures on other targets (in Russian). Meteoritika, v. 44, pp. 139-145. 1985. |
Fel'dman, V. I., Sazonova, L.V., Mironor, Yu.V. and Kapusthina,I.G., Circular structure Logancha as possible meteorite crater in basalts of the Tunguska syneclise (abstract). Lunar and Planetary Science XIV, pp. 191-192. 1983. |
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. |
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. |
Masaitis, V. L., Structural and compositional heterogeneities of the Earth's crust caused by impact cratering (in Russian). Nedra, Leningrad, v. 10, pp. 320-326. 1991. |
Mironov, Yu V., Fel'dman, V. I., Criteria for distinguishing cosmogenic and endogenous circular paleostructures in basalt (in Russian). Vestnik Moskovskogo Universiteta, Geologiya, v. 42, pp. 49-56. 1987. |
Mironov, Yu V., Low pressure impact breccias from basalts of Logancha astrobleme (in Russian). XX All-Union Meteorite Conference, Tallinn, pp. 41-43. 1987. |
Mironov, Yu V., Ladygin, V.M., Pchelintseva, N.F., Kuz'min, N.R. and Ryakhovskiy,V.M., Low pressure impact breccias from basalts of Logancha astroblem (abstract). XX All-Union Meteorite Conference, pp. 30-32. 1987. |
Mironov, Yu V., Shock metamorphism peculiarities in unhomogeneous basaltic targets (abstract). Lunar and Planetary Science XVI, pp. 559-560. 1985. |
Vishevsky, S. A., Shock metamorphism of basic rocks as exemplified by the Logancha astrobleme (in Russian). Geologiya i Geofizika, v. 27, pp. 70-79. 1986. |
Vishevsky, S. A., The Logancha astrobleme in the trap rock of the Tunguska synclise (in Russian). Akademii Nauk SSSR, pp. 1-28. 1984. |
| * 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) |