27 October 2009
The term “as old as the hills” has a new meaning, thanks to a special study of the Toowoomba Bypass pilot tunnel.
Our geology team has been working with University of Queensland to investigate the geochronology, the age of rocks, at the north Toowoomba site.
Testing has pinpointed the rocks’ age to be 23 million years old, up to four million years older than anticipated.
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