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
Tourist attractions in the United States Tourist attractions in the United States This is a list of the most popular individual tourist attractions in the United States, lists of tourist attractions organized by subject region, and a selection of other notable tourist attractions and destinations. In 2011, the most visited tourist attractions in the U.S. were: As of 2007, there are 2,462 registered National Historic Landmarks (NHL) recognized by the United States government. Each major US city has thousands of landmarks. For example, New York City has 23,000 landmarks designated by the Landmarks Preservation Commission. These landmarks include various individual buildings, interiors, historic districts, and scenic