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
Football at the Indian Ocean Island Games Football at the Indian Ocean Island Games The association football tournament at the Indian Ocean Island Games (French: Jeux des îles de l'océan Indien) which is organised every 4 years for the Islands in the Indian Ocean. (The Maldives have occasionally been invited) From 1947 until 1963 a precursor called "Triangulaire" was organized between Madagascar, Mauritius and Réunion Island. The first official edition of Indian Ocean Island Games was held in 1979. The match was scratched and Comoros were awarded third place as Mauritius were unable to travel to Réunion for the match. In 2015 a women's tournament was held.