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Earth Impact Database Sorted by : | Age | Diameter | Name |
Tabun-Khara-Obo
Crater Name |
Location |
Latitude |
Longitude |
Diameter (km) |
Age (Ma)* |
Exposed |
Drilled |
Target Rock** |
Bolide Type*** |
Tabun-Khara-Obo |
Mongolia |
N 44° 07' |
E 109° 39' |
1.3 |
150 ± 20 |
Y |
N |
C |
- |
Submitted by Karl Wegmann
| References |
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. |
McHone, J. F., Dietz, R. S., Tabun Khyara Obo crater, Mongolia: Probably meteoritic. Meteoritics, V. 11, pp. 332-333. 1976. |
Shkerin, L. M., Geological structure of the crater-like feature Tabun Khara Obo (south east Mongolia) (in Russian). Meteoritika, v. 35, pp. 97-102. 1976. |
Suetenko, O. D., Shkerin, L. M., A proposed meteorite crater in southeastern Mongolia (in Russian). Astronomischeskii Vestnik, v. 4, pp. 261-263. 1970. |
* 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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