manicouagan

Mount Toondina

 Crater Name  Location  Latitude  Longitude  Diameter (km)  Age (Ma)  Exposed  Drilled  Target Rock**  Bolide Type***
 Mount Toondina  South Australia  S 27° 57'  E 135° 22'  4  < 110  Y  N  S  -
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1. Aster satellite image Submitted by Peter Haines

2. DEM image Provided by Dr. Carlos Roberto de Souza Filho

3 & 4. Image Provided by Dr. Carlos Roberto de Souza Filho

References
Freytag, I. B., Mount Toondina beds - Permian sediments in a probable piercement structure. Trans. Roy. Soc. S. Aust., v. 89, pp. 61-79. 1965.
Haines, P. W., Impact Cratering and Distal Ejecta: The Australian Record. Australian Journal of Earth Sciences 52, P. 481 - 507. 2005.
Moorcroft, E., Geophysical investigation, Mt. Toondina area. Quarterly Geological Notes, The Geological Survey of South Australia, v. 12, pp. 3-6. 1964.
Plescia, J. B., Shoemaker, E.M. and Shoemaker,C.S., Gravity survey of Mount Toondina impact structure, South Australia. Journal of Geophysical Research, v. 99, pp. 13,167-13,179. 1994.
Plescia, J. B., Gravity investigations of terrestrial impact craters (abstract). AGU Fall Meeting,. 1993.
Plescia, J. B., Shoemaker, E.M. and Shoemaker,C.S., Gravity survey of the Mt. Toondina impact structure, South Australia (abstract). Lunar and Planetary Science, v. XXII, pp. 1079-1080. 1991.
Roddy, D. J., Shoemaker, E.M., Shoemaker, C.S. and Roddy,J.K., Aerial photography and geologic studies of impact structures in Australia (abstract). Lunar and Planetary Science XIX, pp. 990-991. 1988.
Shoemaker, E. M., Shoemaker, C. S., Impact structures of Australia (1987) (abstract). Lunar and Planetary Science XIX, pp. 1079-1080. 1988.
Wopfner, H., Mount Toondina - ?Diapir or astrobleme. Quarterly Geological Notes, The Geological Survey of South Australia, v. 62, pp. 20-24. 1977.
Youles, I. P., Mount Toondina impact structure. Quarterly Geological Notes, The Geological Survey of South Australia, v. 60, pp. 10-11. 1976.
* 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)