Vega Island
Vega Island
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Vega Island

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Vega Island

Vega Island (63°50′S 57°25′W / 63.833°S 57.417°W / -63.833; -57.417 (Vega Island)) is an island in Antarctica, 17 nautical miles (31 km; 20 mi) long and 6 nautical miles (11 km; 6.9 mi) wide, which is the northernmost of the James Ross Island group and lies in the west part of Erebus and Terror Gulf. It is separated from James Ross Island by Herbert Sound and from Trinity Peninsula by Prince Gustav Channel.

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Vega Island is in Graham Land, to the southeast of the Trinity Peninsula, which is the tip of the Antarctic Peninsula. Erebus and Terror Gulf is to the east. James Ross Island is to the south, and the Ulu Peninsula of James Ross Island is to the west, separated from Vega Island by the Herbert Sound. The Prince Gustav Channel separates it from Corry Island and Eagle Island to the north. Cape Gordon is at the east end of the island.

The US Defense Mapping Agency's Sailing Directions for Antarctica (1976) describes Vega Island as follows:

Vega Island, the northernmost of the Ross Group, is about 16 miles long, east and west, and 5 miles wide, It is high and precipitous, with tower like rocks; the lower fells of eruptive rock are plateau like in form, and brown in color. Cape Scott Keltie (Keltie Head) and Cape Gordon, the western and eastern extremities, respectively, are high projecting headlands. On the northern coast, near the middle of the island, is Cape Wellmet, a dark, conspicuous, jutting headland.

Devil Island, 680 feet high, lies close to the northern shore in the vicinity of Cape Wellmet. It has steep stone sides and is ice-free. Cape Gordon is believed to be clear of dangers: the Wyatt Earp passed the high cliffs less than 100 yards distant. On the southern coast near the middle of the island a headland, known as False Island Point, extends for about 2 1/4 miles to the southward. A rock lies about 1/2 mile offshore in a position about 4 miles east-northeastward of False Island Point; some charts show this rock as lying on a shoal area extending up to 3/4 mile from a point on the shore. A shoal, with a depth of 0.9m (3 ft.) lies about 6 3/4 miles eastward of Cape Gordon.

Vega Island was named by Dr. Otto Nordenskjöld, leader of the Swedish Antarctic Expedition (SwedAE; 1901–04), apparently for the ship Vega used by his uncle, Baron A.E. Nordenskjold, in making the first voyage through the Northeast Passage between 1878 and 1879.

Vega Island is a volcanic island of the James Ross Island Volcanic Group. As can be observed in limited outcrops, Vega Island consists of the deeply eroded volcanic deposits of tuff cones and lava-fed, volcanic deltas. So far, these volcanic deposits have been dated at being 2, 2.67, and 5.42 Ma. They rest upon well-bedded sandstones and mudstones ranging in age from Cretaceous to Paleogene periods. These sedimentary strata outcrop near the islands's base and as bluffs along its shoreline.

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