[meteorite-list] Third Largest Impact Structure Reportedly Found in South Australia

[Paul H.]

World's third largest asteroid impact zone found in 
South Australia by Sunanda Creagh February 15, 2013 
http://phys.org/news/2013-02-world-largest-asteroid-impact-zone.html

“An asteroid measuring up to 20km across hit South 
Australia up to 360 million years ago and left behind 
the one of the largest asteroid impact zones on Earth, 
according to new research published today.”

Asteroid impact zone found by Sunanda Creagh, 
Science Alert, February 15, 2013
http://www.sciencealert.com.au/news/20131502-24059-2.html+

The paper is:

Glikson, Y. A., I. T. Uysal, J. D. F, Gerald, and E. Saygin, 
2013, Geophysical anomalies and quartz microstructures, 
Eastern Warburton Basin, North-east South Australia: 
Tectonic or impact shock metamorphic origin?
Tectonophysics. Available online 12 January 2013
http://www.sciencedirect.com/science/article/pii/S0040195113000188

In reference to the Chelyabinsk Airburst, there is:

Sonic boom caused by meteorite hurtling above Russian 
town at 33,000mph smashes buildings and injures 1,000 
people before the space rock crashes into frozen lake,
Mail Online, February 15, 2013, 
http://www.dailymail.co.uk/news/article-2279020/Russian-meteorite-Moment-meteorite-exploded-doctors-treat-500-people-injured.html

Yours,

Paul H.