Astrolabe Island (Astrolabe, isla)
Astrolabe Island, located at -63.28333°N, -58.66667°W, is an island 3 mi long, lying in the Bransfield Strait 14 mi northwest of Cape Ducorps, Trinity Peninsula in Antarctica. It was discovered by the French expedition, 1837–40, under Captain Jules Dumont d'Urville, and named by him for his chief expedition ship, the Astrolabe. The island was photographed from the air and triangulated by FIDASE, 1956–57.
Astrolabe Island is predominantly volcanic rocks, with coarse grained mafic dolerite making up most of the landing site on the east end. The steep pyramid peaks, called the Dragons Teeth, may be the vents of an old volcanic complex, probably related to the Shetland subduction zone to the north.
Astrolabe Island is predominantly volcanic rocks, with coarse grained mafic dolerite making up most of the landing site on the east end. The steep pyramid peaks, called the Dragons Teeth, may be the vents of an old volcanic complex, probably related to the Shetland subduction zone to the north.
Map - Astrolabe Island (Astrolabe, isla)
Map
Country - Antarctica
Antarctica is Earth's southernmost and least-populated continent. Situated almost entirely south of the Antarctic Circle and surrounded by the Southern Ocean (also known as the Antarctic Ocean), it contains the geographic South Pole. Antarctica is the fifth-largest continent, being about 40% larger than Europe, and has an area of 14200000 km2. Most of Antarctica is covered by the Antarctic ice sheet, with an average thickness of 1.9 km.
Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over 200 mm along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost 60 m. Antarctica holds the record for the lowest measured temperature on Earth, −89.2 C. The coastal regions can reach temperatures over 10 C in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation occurs, it is mostly in the form of lichen or moss.
Antarctica is, on average, the coldest, driest, and windiest of the continents, and it has the highest average elevation. It is mainly a polar desert, with annual precipitation of over 200 mm along the coast and far less inland. About 70% of the world's freshwater reserves are frozen in Antarctica, which, if melted, would raise global sea levels by almost 60 m. Antarctica holds the record for the lowest measured temperature on Earth, −89.2 C. The coastal regions can reach temperatures over 10 C in summer. Native species of animals include mites, nematodes, penguins, seals and tardigrades. Where vegetation occurs, it is mostly in the form of lichen or moss.