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Woodleigh
Crater Name |
Location |
Latitude |
Longitude |
Diameter (km) |
Age (Ma)* |
Exposed |
Drilled |
Target Rock** |
Bolide Type *** |
Woodleigh |
Western Australia |
S 26° 3' |
E 114° 39' |
40* |
364 ± 8 |
N |
Y |
M |
- |
*The diameter of Woodleigh is contentious - with interpretations ranging from 40 km to 120 km (Mory et al., 2000, Reimold & Koeberl, 2000). Based on the extrapolation of the central peak diameter the rim-crest diameter should be 92-109 km though this is not clearly evident in the geophysical evidence.
1st vertical derivative of the bouguer gravity anomaly
submitted by Andrew Glikson
3D image
%20Woodleigh/(20)%20Woodleigh%20MDE.jpg)
DEM Image Provided by Dr. Carlos Roberto de Souza Filho
%20Woodleigh/(20)%20Woodleigh%20Landsat%20Figura%202D%20RGB%20432.jpg)
Image Provided by Dr. Carlos Roberto de Souza Filho
%20Woodleigh/(20)%20Woodleigh%20Figuras%203D%20RGB%20(Ex%20100).jpg)
Image Provided by Dr. Carlos Roberto de Souza Filho
References 1. Glikson, A. Y., Mory, A. J. , Iasky, R. P. , Pirajno, F. , Golding, S. D. and Uysal, I. T., Woodleigh, Southern Carnarvon Basin, Western Australia: history of discovery, Late Devonian Age, and Geophysical and Morphometric Evidence for a 120 km diameter Impact Structure. Australian Journal of Earth Sciences 52, P. 545 - 553. 2005. 2. Glikson, A. Y., Eggins, S. , Golding, S. D. , Haines, P. W. , Iasky, R. P. , Mernagh, T. P. , Mory, A. J. , Pirajno, F. and Uysal, I. T., Microchemistry and Microstructures of Hydrothermally Altered Shock-Metamorphosed Basement Gneiss, Woodleigh Impact Structure, Southern Carnarvon Basin, Western Australia. Australian Journal of Earth Sciences 52, P. 555 - 573. 2005. 3. Haines, P. W., Impact Cratering and Distal Ejecta: The Australian Record. Australian Journal of Earth Sciences 52, P. 481 - 507. 2005. 4. Hough, M., Lee, M.R., Bevan, A,W.R., Shocked quartz and more: Woodleigh impact structure, Western Australia, 64th Annual Meteoritical Society Meeting. 2001. 5. Hough, R. M., Lee, M. R. and A. W. R. Bevan., Shocked quartz and more: Woodleigh impact structure, western Australia. Meteoritics and Planetary Science, v 36 Supplement 2001, abstract # 5329. 2001. 6. Koeberl, C., Hough, R.M., Boamah, D., French, B.M., McDonald,I.and W.U.Riemold., Woodleigh impact structure, Australia: shock petrography and geochemical studies. Meteoritics and Planetary Sciences, v 36, Supplement 2001, abstract # 5281. 2001. 7. Mory, A. J., Iasky, R.P., Glikson,A.Y.and F.Pirajno., Response to 'Critical comment on A.J. Mory et al., 2000, Woodleigh, Carnarvon Basin, Western Australia: a new 120 km diameter impact structure' by W.U. Reimold and C. Koeberl. Earth and Planetary Science Letters, v 184, p 359-365. 2000. 8. Reimold, W. U., Koeberl, C., Hough, R.M., McDonald, I., Bevan, A., Amare, K., French,B.M., Woodleigh impact structure, Australia: Shock petrography and geochemical studies, Meteoritics & Planetary Science 38, Nr 8, 1109 - 1130. 2003. 9. Reimold, W. U., Koeberl, C., Critical Comment on: A.J. Mory et al. 'Woodleigh, Carnavon Basin, Western Australia: A New 120 km diameter Impact Structure, EPSL v. 184, pp. 353-7. 2000. 10. Renne, P. R., Reimold, W. U. , Koeberl, C. , Hough, R. and Claeys, P., Coment on : "K-Ar evidence from illitic clays of a Late Devonian age for the 120 km diameter Woodleigh impact structure, Southern Carnarvon Basin, Western Australia", by I.T. Uysal, S.D. Golding, A.Y. Glikson, A.J. Mory and M. Glikson. Earth and Planetary Science Letters, 201, P. 247 - 252. 2002. 11. Renne, P. R., Reimold, W.U., Koeberl, C., Hough, R., Claeys,P., Comment on: "K-Ar evidence from illitic clays of a Late Devonian age for the 120 km diameter Woodleigh impact structure, Southern Carnarvon Basin, Western Australia", by I.T. Uysal, S.D. Golding, A.Y. Glikson, A.J.Mory and M.Glikson, A.Y. Glikson, A.J…. Earth and Planetary Science Letters, v.201, p.247-252. 2002. 12. Uysal, I. T., Mory, A. J. , Golding, S. D. , Bolhar, R. and Collerson, K. D., Clay mineralogical, geochemical and istopic tracing of the evolution of the Woodleigh impact structure, Southern Carnarvon Basin, Western Australia. Contrib Mineral Petrol, Vol. 149, P. 576 - 590. 2005. 13. Uysal, I. T., Golding, S.D., Glikson, A.Y., Mory, A.J., Glikson, M., Iasky, R.P., Pirajno,F., Discussion: Reply to "Comment on: 'K-Ar evidence from illitic clays of a Late Devonian age for the120 diameter Woodleigh impact structure, Soutern Carnarvon Basin, Western Australia", Earth and Planetary Science Letters, v.201, p.253-260. 2002. 14. Uysal, I. T., Golding, S.D., Glikson, A.Y., Mory,A.J.and M.Glikson., K-Ar evidence from illitic clays of a Late Devonian age for the 120 km diameter Woodleigh impact structure, Souther Carnarvon Basin, Western Australia, Earth and Planetary Science Letters, v 192, p 281-289. 2001. 15. Uysal, T., Golding, S., Glikson, A.Y. and Mory,A.J., K-Ar and oxygen isotopic constraints of illitic clays on the timing and evolution of the Woodleigh impact structure, Carnarvon Basin, Western Australia, Earth Planetary Letters, Vol 192(3), 281-289. 2001.
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* 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 - Metasedimetary 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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