abstract:Basic geological regions of Australia, by age.The Australian Shield, also called the Western Australian Shield or Western Plateau, occupies more than half of the continent of Australia.
Organizersof an Australiannightsurfingcompetition used an electronicshieldfor the first time to protect surfers from sharks, which might otherwise have thought competitors were an easy meal.
Australian Foreign Minister Alexander Downer on Tuesday gave his government's strongest endorsement yet of the missile defence shield, boasting that opponents were now coming around to Australia's viewpoint.