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

 

Tookoonooka

Crater Name
Location
Latitude
Longitude
Diameter (km)
Age (Ma)*
Exposed
Drilled
Target Rock**
Bolide Type***
Tookoonooka
Queensland
S 27° 7'
E 142° 50'
55
128 ± 5
N
Y
M
-

 

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
Bron, K.A., Accretionary and melt impactoclasts from the Tookoonooka impact event, Australia, Special Paper of the Geological Society of America, Issue 465, pp. 219-244, 2010
Bron, K. A., Gostin, V., The Tookoonooka marine impact horizon, Australia: Sedimentary and petrologic evidence. Meteoritics & Planetary Science, 47: 296318. 2002
Gorter, J. D., Gostin, V.A. and Plummer,P.S., The enigmatic sub-surface Tookoonooka Complex in south-west Queensland: its impact origin and implications for hydrocarbon accumulations. B.J. O'Neil, ed., in The Cooper and Eromanga Basins, Australia, Petroleum Exploration Society of Australia, Adelaide, p. 441-456. 1989.
Gostin, V. A., Therriault, A. M., Tookoonooka, a large buried early Cretaceous impact structure in the Eromanga Basin of southwestern Queensland, Australia. Meteoritics and Planetary Science, v. 32, pp. 593-599. 1997.
Grieve, R. A. F., Masaitis, V. L., The economic potential of terrestrial impact craters. International Geology Review, v. 36, pp. 105-151. 1994.
Haines, P. W., Impact Cratering and Distal Ejecta: The Australian Record. Australian Journal of Earth Sciences 52, P. 481 - 507. 2005.
Westbroek, H., Stewart, R., The formation, morphology, and economic potential of meteorite impact craters, CREWES Research Report v. 8, p. 1-26. 1996.
Young, I. F., Late Jurassic channels and associated fill, Eromanga Basin (ATP 259P), Queensland: A seismic stratigraphic study (abstract). Exploration Geophysics 5th Geophysical Conference and Exhibition, pp. 238-242. 1987.

 

* 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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