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 Service. On 11 November 1879, the Diamantina Division was established as one of 74 divisions around Queensland under the "Divisional Boards Act 1879" with a population of 1153. In October 1880, part of Diamantina Division was separated to create Gregory Division. On 21 June 1883, the boundaries between Diamantina Division and Bulloo Division were adjusted. With the passage of the Local Authorities Act 1902, Diamantina Division became the Shire of Diamantina on 31 March 1903. The Shire of Diamantina includes the following: Diamantina Shire Council operates public libraries in Bedourie and Birdsville. Shire of Diamantina The Shire of Diamantina is