|
| Africa | Asia & Russia | Australia | Europe | North America | South America | World Map |
Earth Impact Database Sorted by : | Age | Diameter | Name |
Lawn Hill
Crater Name |
Location |
Latitude |
Longitude |
Diameter (km) |
Age (Ma)* |
Exposed |
Drilled |
Target Rock** |
Bolide Type*** |
Lawn Hill |
Queensland |
S 18° 40' |
E 138° 39' |
18 |
> 515 |
Y |
N |
M |
- |
***
%20Lawn%20Hill/(10)%20Lawn%20Hill%20MDE.jpg)
DEM Image Provided by Dr. Carlos Roberto de Souza Filho
%20Lawn%20Hill/(10)%20LAwn%20Hill%20ASTER%20%20Figura%202D%20RGB%20321.jpg)
Image Provided by Dr. Carlos Roberto de Souza Filho
%20Lawn%20Hill/(10)%20Lawn%20Hill%20Figuras%203D%20RGB%20%20(Ex%2020).jpg)
Image Provided by Dr. Carlos Roberto de Souza Filho
| References |
Dietz, R. S., McHone, J. F., Astroblemes recently confirmed with shatter cones (abstract). Meteoritics, v. 26, p. 332. 1991. |
Haines, P. W., Impact Cratering and Distal Ejecta: The Australian Record. Australian Journal of Earth Sciences 52, P. 481 - 507. 2005. |
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., The Proterozoic impact record of Australia. AGSO Journal of Australian Geology & Geophysics, v. 16, pp. 379-398. 1996. |
Shoemaker, E. M., Shoemaker, C. S., Proterozoic impact record of Australia (abstract). Abstracts of the International Workshop on Meteorite Impact on the Early Earth, Perth, Australia, pp. 47-48. 1990. |
Shoemaker, E. M., Shoemaker, C. S., Impact structures of Australia (1987) (abstract). Lunar and Planetary Science XIX, pp. 1079-1080. 1988. |
Stewart, A., Mitchell, K., Shatter cones at the Lawn Hill circular structure, northwestern Queensland: Presumed astrobleme. Australian Journal of Earth Sciences, v. 34, pp. 477-485. 1987. |
Yang, J., Radulescu, M., Paleo-fluid flow and heat transport at 1575 Ma over an E-W- section in the Northern Lawn HIll Platform, Australia: Theoretical results from finite element modeling, Journal of Geochemical Exploration, 89, P. 445 - 449. 2006. |
* 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) |
|
