3-823: The Sigma Islands are a group of small islands and rocks which lie 5.6 km (3 nmi) north of Eta Island and mark the north limit of the Melchior Islands , in the Palmer Archipelago . The name, derived from the 18th letter of the Greek alphabet, appears to have been first used on a 1946 Argentine government chart following surveys of these islands by Argentine expeditions in 1942 and 1943. [REDACTED] This article incorporates public domain material from "Sigma Islands" . Geographic Names Information System . United States Geological Survey . This Palmer Archipelago location article
6-607: Is a stub . You can help Misplaced Pages by expanding it . Eta Island (Palmer Archipelago) Eta Island is an island, 2.8 kilometres (1.5 nmi) long, which lies immediately north of Omega Island in the Melchior Islands , Palmer Archipelago . This island, the largest feature in the northeast part of the Melchior Islands, is part of what was called "Île Melchior" by the French Antarctic Expedition, 1903–05 , under Jean-Baptiste Charcot , but
9-594: The name Melchior now applies to the whole island group. Eta Island was roughly surveyed by Discovery Investigations personnel in 1927. The name, derived from eta , the seventh letter of the Greek alphabet, appears to have been first used on a 1946 Argentine government chart following surveys of the Melchior Islands by Argentine expeditions in 1942 and 1943. [REDACTED] This article incorporates public domain material from "Eta Island" . Geographic Names Information System . United States Geological Survey . This Palmer Archipelago location article
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