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
Chapada Diamantina can be found. For this reason, Iraquara received the nickname "City of Caves". In 1985, the Chapada Diamantina National Park was created with its headquarters in Palmeiras. Chapada Diamantina is an erosional landform in the state of Bahia, Brazil. The Chapada Diamantina runs from North to South in the middle of Bahia and is an extension of the Espinhaço Range System. The rocks in the system date back to Pangaea and erosion of the formation began in the Precambrian eon. The Range System has an erosional outlier that exposes a contact, the Pai Inácio Anticline. The Pai Inácio Anticline is