Geology of the British Indian Ocean Territory carbonates, which are present in the Seychelles for reasons that are not clear—hypothesized to include local storm erosion. The offshore waters around the archipelago contain deep-sea ferromanganese nodules, with globular, dendritic and laminated microstructures formed from iron-manganese oxide. Due to the US military presence on the island the US Geological Survey has conducted water resource analysis since 1984. Geology of the British Indian Ocean Territory The geology of the British Indian Ocean Territory comprises the Chagos Archipelago—the above water portion of the Chagos Bank. Formed from hotspot volcanism, the Chagos Bank was separated from the Nazareth Bank 36 million years
Ottoman naval expeditions in the Indian Ocean Ottoman naval expeditions in the Indian Ocean The Ottoman expeditions in the Indian Ocean ( or "", "Indian Ocean campaigns") were a series of Ottoman amphibious operations in the Indian Ocean in the 16th century. There were four expeditions between 1538 and 1554, during the reign of Suleiman the Magnificent. After the voyages of Vasco da Gama, a powerful Portuguese Navy took control of the Indian Ocean in the early 16th century. It threatened the coastal cities of the Arabian Peninsula and India. The headquarters of the Portuguese Navy was in Goa, a city on the west coast of India,