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

 

Kgagodi

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Kgagodi
Botswana
S 22° 29'
E 27° 35'
3.5
< 180
Y
Y
S
-

 

DEM image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

Image Provided by Dr. Carlos Roberto de Souza Filho

References
Brandt, D., Holmes, H. , Reimold, W. U. , Paya, B. K. , Koeberl, C. and Hancox, P. J., Kgagodi Basin: The first impact structure recognized in Botswana, Meteoritics and Planetary Science. 2002 , v. 37 , n. 12 , p. 1765. 2002.
Brandt, D., Holmes, H., Reimold, W.U., Paya, B.K., Koeberl, C., Hancox,P.J., Kgagodi Basin: The first impact recognized in Botswana, Meteortics & Planetary Science 37, 1765 - 1779. 2002.
Reimold, W. U., Paya, B.K., Holmes, H., Brandt, D., Koeberl, C., Dladla, C. and Hancox,P.J., Kgagodi Basin, Botswana: Origin by meteorite impact confirmed! 63rd Annual Meteoritical Society Meeting. Abs. No. 5009. 2000.

 

* 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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