Diamantina Fracture Zone Ridge Plateau. All these features are mirrored by corresponding topography on the other side of the Southeast Indian Ridge. Broken Ridge Plateau was formed at the ridge together with the Kerguelen Plateau. Diamantina Fracture Zone was first detected by and RV Argo in 1960. It is named after , which did further exploration in 1961. The Diamantina Deep is the zone's deepest location, located about 1 125 km West-South-West of Perth, Western Australia, at . This is not the deepest point in the Indian Ocean: the CIA's Physical Map of the World lists the Java Trench as such. On the
Shire of Diamantina Shire of Diamantina The Shire of Diamantina is a local government area in Central West Queensland, bordering South Australia and the Northern Territory. Its administrative centre is in the town of Bedourie. Like most places in Queensland with the "Diamantina" name, it was named after Lady Diamantina Bowen (née Roma), the wife of the first governor of Queensland, Sir George Bowen. It covers an area of , and has existed as a local government entity since 1879. The town of Birdsville is home to the iconic Birdsville Races, a horse race meeting to raise money for the Royal Flying Doctor