Gilbert and Ellice Islands around $250 million for revenue they had not received and for environmental destruction caused by phosphate mining practices similar to those on Nauru. The British authorities had relocated most of the population to Rabi Island, Fiji after 1945, but by the 1970s many were returning to Banaba. The British rejected the Banaban independence proposal, and the island remained under the jurisdiction of Kiribati. The Gilbert and Ellice Islands used their own postage stamps from 1911. Gilbert and Ellice Islands The Gilbert and Ellice Islands were a British protectorate from 1892 and colony from 1916 until 1 January 1976, when the
Geology of the Pacific Ocean Plate in the north, the Cocos Plate off today's Central America, and the Nazca and Phoenix Plates in the southern Pacific. Charles Darwin had proposed a theory of the slow subsidence of the ocean floor based on his studies of Pacific oceanic islands, seamounts (underwater volcanoes) and guyots (flat-topped seamounts). His observations have been verified and expanded in the development of plate tectonic theory. The tectonic plates continue to move today. The slowest ridge spreading rate is across the Gakkel Ridge in the Arctic Ocean which separates at less than 2.5 cm/yr while the fastest, across the East Pacific Rise