Yalour Islands, also known as the Jalour Islands, is a group of islands and rocks 2.8 kilometres in extent in the south part of the Wilhelm Archipelago. The group lies 1.9 kilometres northwest of Cape Tuxen, Graham Land. Discovered and named by the French Antarctic Expedition, 1903ā05, under J.B. Charcot. Named for Lieutenant Jorge Yalour, Argentine Nā¦Yalour Islands, also known as the Jalour Islands, is a group of islands and rocks 2.8 kilometres in extent in the south part of the Wilhelm Archipelago. The group lies 1.9 kilometres northwest of Cape Tuxen, Graham Land. Discovered and named by the French Antarctic Expedition, 1903ā05, under J.B. Charcot. Named for Lieutenant Jorge Yalour, Argentine Navy, an officer of the Argentine corvette Uruguay which came to the rescue of the shipwrecked Swedish Antarctic Expedition in November 1903.