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

 

Yarrabubba

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Yarrabubba
Western Australia
S 27° 10'
E 118° 50'
30
~ 2000
Y
N
C
-

 

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
Bunting, J., MacDonald, F., The Yarrabubba Structure, Western Australia - Clues to Identifying impact events in deeply eroded Ancient Cratons, 17th Australian Geological Convention p. 227. 2004.
Haines, P. W., Impact Cratering and Distal Ejecta: The Australian Record. Australian Journal of Earth Sciences 52, P. 481 - 507. 2005.
MacDonald, F. A., Mitchell, K., New Possible, Probable and Proven Impact Sites in Australia, 17th Australian Geological Convention p. 239. 2004.
Macdonald, F. A., Bunting, J.A. and Cina,S.E., Yarrabubba, Western Australia: A large, deeply eroded, ancient impact structure in the Yilgarn Craton. LPSC XXXIV, Abstract 1116 (CD-ROM). 2003.

 

* 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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