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
Geography of the British Indian Ocean Territory Brothers Islands, Nelson Island, and Peros Banhos, as well as the island groups of the Egmont Islands, Eagle Islands, and the Salomon Islands. BIOT is an archipelago of 55 islands. They were annexed by the UK in 1965 under the Treaty of Paris from a much larger archipelago which in 1804 consisted of 2,300 independent islands. BIOT is situated in the Indian Ocean near the Equator. It is roughly halfway between Africa and Indonesia, about southwest of India. It is situated approximately from South India and to the south of the Maldives With a coastline stretching , it is the