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Géologie Archipelago
The Géologie Archipelago, also known as the Geology Archipelago or Cape Geology Archipelago, is a small archipelago of rocky islands and rocks close to the north of Cape Géodésie and Astrolabe Glacier Tongue, extending from Helene Island on the west to the Dumoulin Islands on the east, in Adélie Land, Antarctica.
==History==
The French expedition under Captain Jules Dumont d'Urville landed on Débarquement Rock in the Dumoulin Islands on 22 January 1840. Because rock samples were obtained, they gave the name "Pointe Géologie" to a coastal feature charted as lying south of Débarquement Rock. The archipelago was delineated, in part, from aerial photographs taken by the U.S. Navy's Operation Highjump in 1946–47. Following surveys by French Antarctic Expedition parties during the 1950–52 period, the French gave the name "Archipel de Pointe Géologie" to the entire archipelago, as d'Urville's coastal feature is believed to correlate with portions of the cluster of islands close to the north of Astrolabe Glacier Tongue.
In 1952, a small base was built on Île des Pétrels (Petrel Island) to study a nearby colony of emperor penguins. This base was called Base Marret. As the main base, Port Martin, was destroyed by fire on the night of 23 January 1952, Base Marret was chosen as the overwintering site for 1952–53. The new main base, Dumont d'Urville Station, was built on the same island, located west of Port Martin, and opened on 12 January 1956, to serve as a centre for French scientific research during the Antarctic International Geophysical Year 1957–58. The station has remained in active use ever since.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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