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Earth Impact Database Sorted by : | Name | Diameter | Age |

 

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
Amgaa, T., Koelberl, C., Anonymous, Geology and petrography of Tabun Khara Obo Crater (abstract). Meteoritics & Planetary Science, vol. 44, abstract 5019.
Amgaa, T., Koelberl, C., Anonymous, Impact origin of Tabun Khara Obo Crater, Mongolia, confirmed by drill core studies. (Abstract). Geological Society of America, vol. 41, pp. 533. 2009.
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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