1. Haines P.W. (2005). Impact cratering and distal ejecta: the Australian record. Aus.Journal of Earth sciences. Vol.52, N.4/5. Aug./Oct. p.481-507
  2. Sweet I.P., Haines P.W., Mitchell K. (2005). Matt Wilson structure: Record of an impact event of possible Early Mesoproterozoic age, Northern Territory . Austral. J. Earth Sci., Vol.52, No.4, P. 675-688
  3. Osinski Gordon R. (2006). The geological record of meteorite impacts. 40th ESLAB First International Conference on Impact Cratering in the Solar System, 8-12 May 2006., Noordwijk,The Netherlands
  4. Kenkmann Thomas, Poelchau Michael (2007). Piccaninny, WA, and Matt Wilson, NT: Two possible complex impact craters in Australia. Goldschmidt Conference Abstracts 2007, Geochimica et Cosmochimica Acta, 71 (15): Suppl. S, Aug.2007, A477
  5. Kenkmann Thomas, Poelchau Michael H. (2009). Low-angle collision with Earth: the elliptical impact crater Matt Wilson, Northern Territory, Australia . Geology, Vol.37, No.5, P. 459-462
  6. D. Rajmon (2009).

We present results of field analysis, microscopy, and remote sensing mapping of two circular structures in Australia of which the meteorite impact origin is not yet confirmed.
Matt Wilson, Northern Territory (15 30'S; 131 10'50''E): The outline of this possible impact crater is elliptical (4.5 x 6.5 km) with the long axis trending NE-SW. It has been formed in Mesoproterozoic rocks and consists of a crater rim monocline, a ring syncline and a central uplift 1.5 km across. The structure is described in detail by Sweet et al., 2005, who also present microstructures indicative for shock. The central uplift of the structure shows an imbrication of thrust slices in a bilateral arrangement. Such a pattern is
known from other craters like Upheaval Dome or Spider (Scherler et al., 2006). The NE-SW trending symmetry axis is delineated by major faults. The fault pattern, preferred NE strata dipping in the central uplift, and the elliptical crater outline may indicate an oblique impact from NE.
Acknowledgements: We would like to thank DFG for funding this project (KE 732-11/1).
(Thomas Kenkmann, Michael Poelchau, 2007).

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