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D'Entrecasteaux Islands(däNtrəkästō`), volcanic group, SW Pacific, SE of New Guinea, part of Papua New Guinea. Comprising the Fergusson, Goodenough, and Normanby islands, the group, with a total land area of c.1,200 sq mi (3,110 sq km), is mountainous and has several extinct volcanoes, hot springs, and geysers. Coconuts and pearl shells are the chief products. The islands were named for the French navigator J. A. B. d'EntrecasteauxEntrecasteaux, Joseph Antoine Bruni d'
, 1739–93, French navigator. He entered the French navy in 1754, fought (1756) at Minorca, commanded (1786) the French fleet of the East Indies, and was appointed governor of Mauritius and the Isle of Bourbon in 1787.
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