Sumatra Trench Sumatra Trench The Sumatra Trench belongs to the Sunda Trench or Java Trench. The Sunda subduction zone (called also: the Sumatra-Andaman subduction zone) is located in the east part of Indian Ocean, and is about 300 km from the southwest coast of Sumatra and Java islands. It extends over 5000 km long, starting from Burma in the northwest and ending at Sumba Island in the southeast. The Java trench was generated by the oblique subduction of the Indo-Australian Plate into the Sunda plate at a rate of 61mm/y (in the south) and 51mm/y (in the north). The oceanic crust being
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