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
Keswick Island Keswick Island Keswick Island is a picturesque island in the southern half of the Whitsunday Islands. Located 34 kilometres north-east of the Queensland city of Mackay, Keswick Island is part of the Cumberland Islands of islands that lay protected inside the waters of the Great Barrier Reef Marine Park. The island is inhabited by a small number of residents. It is a semi-popular tourist destination set to expand with planned development. Visitors can stay in a small number of catered and self-catered accommodation. The island has its own airstrip and is accessible from Mackay Airport by a short plane flight