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Adelaide Island
Adelaide Island is a large, mainly ice-covered island, long and wide, lying at the north side of Marguerite Bay off the west coast of the Antarctic Peninsula. The Ginger Islands lie off the southern end. Mount Bodys is the easternmost mountain on Adelaide Island, rising to over 1,220 m. The island lies within the Argentine, British and Chilean Antarctic claims. History Adelaide Island was discovered in 1832 by a British expedition under John Biscoe. The island was first surveyed by the French Antarctic Expedition (1908–1910) under Jean-Baptiste Charcot. According to a contemporary source, the island was named by Biscoe himself in honour of Queen Adelaide of the United Kingdom. The Island has two bases on it. The old Adelaide Island base (also known as Base T) was set up by the Falkland Islands Dependencies Survey (FIDS), which later became the British Antarctic Survey. The Base was closed due to an unstable skiway and operations were moved to the new Rothera Resea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bellingshausen Sea
The Bellingshausen Sea is an area along the west side of the Antarctic Peninsula between 57°18'W and 102°20'W, west of Alexander Island, east of Cape Flying Fish on Thurston Island, and south of Peter I Island (there the southern ''Vostokkysten''). In the south are, from west to east, Eights Coast, Bryan Coast and English Coast (west part) of West Antarctica. To the west of Cape Flying Fish it joins the Amundsen Sea. Bellingshausen Sea has an area of and reaches a maximum depth of . It contains the undersea plain Bellingshausen Plain. It takes its name from Admiral Thaddeus Bellingshausen, who explored in the area in 1821. In the late Pliocene Epoch, about 2.15 million years ago, the Eltanin asteroid (about 1-4 km in diameter) impacted at the edge of the Bellingshausen sea (at the South Pacific Ocean South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Queen Adelaide Of The United Kingdom
, house = Saxe-Meiningen , father = Georg I, Duke of Saxe-Meiningen , mother = Princess Louise Eleonore of Hohenlohe-Langenburg , birth_date = , birth_place = Meiningen, Saxe-Meiningen, Holy Roman Empire , death_date = , death_place = Bentley Priory, Middlesex, England , burial_date = 13 December 1849 , burial_place = Royal Vault, St George's Chapel, Windsor Castle , signature = UK-Royal-Signature Adelaide.svg Adelaide of Saxe-Meiningen (Adelaide Amelia Louise Theresa Caroline; 13 August 1792 – 2 December 1849) was Queen of the United Kingdom and Hanover from 26 June 1830 to 20 June 1837 as the wife of King William IV. Adelaide was the daughter of Georg I, Duke of Saxe-Meiningen, and Luise Eleonore of Hohenlohe-Langenburg. Adelaide, the capital city of South Australia, is named after her. Early life Adelaide was born on 13 August 1792 at Meiningen, Thuringia, Germany, the eldest child of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Turbidite
A turbidite is the geologic deposit of a turbidity current, which is a type of amalgamation of fluidal and sediment gravity flow responsible for distributing vast amounts of clastic sediment into the deep ocean. Sequencing Turbidites were first properly described by Arnold H. Bouma (1962), who studied deepwater sediments and recognized particular "fining-up intervals" within deep water, fine-grained shales, which were anomalous because they started at pebble conglomerates and terminated in shales. This was anomalous because within the deep ocean it had historically been assumed that there was no mechanism by which tractional flow could carry and deposit coarse-grained sediments into the abyssal depths. Bouma cycles begin with an erosional contact of a coarse lower bed of pebble to granule conglomerate in a sandy matrix, and grade up through coarse then medium plane parallel sandstone; through cross-bedded sandstone; rippled cross-bedded sand/silty sand, and finally lami ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fore-arc Basin
Forearc is a plate tectonic term referring to a region between an oceanic trench, also known as a subduction zone, and the associated volcanic arc. Forearc regions are present along a convergent margins and eponymously form 'in front of' the volcanic arcs that are characteristic of convergent plate margins. A back-arc region is the companion region behind the volcanic arc. Many forearcs have an accretionary wedge which may form a topographic ridge known as an outer arc ridge that parallels the volcanic arc. Between the accretionary wedge and the volcanic arc a forearc basin, sometimes referred to as an outer arc trough, may be present and can accumulate thick deposits of sediment. Due to tectonic stresses as one tectonic plate rides over another, forearc regions are sources for great thrust earthquakes. Formation During subduction, an oceanic plate is thrust below another tectonic plate, which may be oceanic or continental. Water and other volatiles in the down-going pla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Volcanic Arc
A volcanic arc (also known as a magmatic arc) is a belt of volcanoes formed above a subducting oceanic tectonic plate, with the belt arranged in an arc shape as seen from above. Volcanic arcs typically parallel an oceanic trench, with the arc located further from the subducting plate than the trench. The oceanic plate is saturated with water, mostly in the form of hydrous minerals such as micas, amphiboles, and serpentine minerals. As the oceanic plate is subducted, it is subjected to increasing pressure and temperature with increasing depth. The heat and pressure break down the hydrous minerals in the plate, releasing water into the overlying mantle. Volatiles such as water drastically lower the melting point of the mantle, causing some of the mantle to melt and form magma at depth under the overriding plate. The magma ascends to form an arc of volcanoes parallel to the subduction zone. Volcanic arcs are distinct from volcanic chains formed over hotspots in the middle of a te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mesozoic
The Mesozoic Era ( ), also called the Age of Reptiles, the Age of Conifers, and colloquially as the Age of the Dinosaurs is the second-to-last era of Earth's geological history, lasting from about , comprising the Triassic, Jurassic and Cretaceous Period (geology), Periods. It is characterized by the dominance of archosaurian reptiles, like the dinosaurs; an abundance of conifers and ferns; a hot Greenhouse and icehouse earth, greenhouse climate; and the tectonic break-up of Pangaea. The Mesozoic is the middle of the three eras since Cambrian explosion, complex life evolved: the Paleozoic, the Mesozoic, and the Cenozoic. The era began in the wake of the Permian–Triassic extinction event, the largest well-documented mass extinction in Earth's history, and ended with the Cretaceous–Paleogene extinction event, another mass extinction whose victims included the non-avian dinosaurs, Pterosaur, pterosaurs, Mosasaur, mosasaurs, and Plesiosaur, plesiosaurs. The Mesozoic was a time of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chilean Navy
The Chilean Navy ( es, Armada de Chile) is the naval warfare service branch of the Chilean Armed Forces. It is under the Ministry of National Defense. Its headquarters are at Edificio Armada de Chile, Valparaiso. History Origins and the Wars of Independence (1817–1830) The origins of the Chilean Navy date back to 1817, when General Bernardo O'Higgins prophetically declared after the Chilean victory at the Battle of Chacabuco that a hundred such victories would count for nothing if Chile did not gain control of the sea. This led to the development of the Chilean Navy, and the first legal resolutions outlining the organization of the institution were created. Chile's First National Fleet and the Academy for Young Midshipmen, which was the predecessor of the current Naval Academy, were founded, as well as the Marine Corps and the Supply Commissary. The first commander of the Chilean Navy was Manuel Blanco Encalada. Famous British naval commander Lord Cochrane, who former ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chilean Air Force
"With full speed to the stars" , colours = Indigo White , colours_label = , march = Alte Kameraden , mascot = , anniversaries = 21 March (Air Force Day) , equipment = 180 aircraft , equipment_label = , battles = * Chilean naval mutiny of 1931 * 1973 Chilean coup d'état * Beagle conflict , decorations = , battle_honours = , battle_honours_label = , flying_hours = , website = , commander1 = General del Aire Hugo Rodríguez González , commander1_label = Commander-in-Chief of the Air Force , commander2 = , commander2_label = , commander3 = , commander3_label = , commander4 = , commander4_label ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teniente Luis Carvajal Villaroel Antarctic Base
The Teniente Luis Carvajal Villaroel Antarctic Base ( es, Teniente Carvajal) is a seasonal Chilean Antarctic base on the south-west tip of Adelaide Island, in Graham Land off the west coast of the Antarctic Peninsula. The nearest land is the Magallanes – the station is in the Antarctic territory claimed by Chile. History Station T The base was established by Falkland Islands Dependencies Survey (FIDS) in 1961 and was previously known as the Station T. It was established on the south-west tip of Adelaide Island in preference to Rothera Point as it had a better skiway for aircraft and less sea ice to hinder access by ship. The base was set up to carry out Survey work in the local and extended area, glaciology, geology and meteorology. The base was the main air facility and centre for airborne earth sciences programme. It was occupied continuously by BAS from 3 February 1961 to 1 March 1977. Closed when the skiway deteriorated and operations were transferred to Rothera ( ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chile
Chile, officially the Republic of Chile, is a country in the western part of South America. It is the southernmost country in the world, and the closest to Antarctica, occupying a long and narrow strip of land between the Andes to the east and the Pacific Ocean to the west. Chile covers an area of , with a population of 17.5 million as of 2017. It shares land borders with Peru to the north, Bolivia to the north-east, Argentina to the east, and the Drake Passage in the far south. Chile also controls the Pacific islands of Juan Fernández, Isla Salas y Gómez, Desventuradas, and Easter Island in Oceania. It also claims about of Antarctica under the Chilean Antarctic Territory. The country's capital and largest city is Santiago, and its national language is Spanish. Spain conquered and colonized the region in the mid-16th century, replacing Inca rule, but failing to conquer the independent Mapuche who inhabited what is now south-central Chile. In 1818, after declaring in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rothera Research Station
The Rothera Research Station is a British Antarctic Survey (BAS) base on the Antarctic Peninsula, located at Rothera Point, Adelaide Island. Rothera also serves as the capital of the British Antarctic Territory, a British Overseas Territory. History and current activities Rothera station was established in 1975 to replace Adelaide station (1961-1977) where the skiway had deteriorated. The opening of the Bonner Laboratory in 1996/1997 marked the start of new activities in biological sciences in the Antarctic peninsula. These included scuba diving and experiments conducted in the Bonner Laboratory throughout the year. The first Bonner Lab burned down in the winter of 2001 after an electrical fault; it was rebuilt and opened in December 2003. Meteorological research using satellite data intercepted at the Rothera ground station also continues year round. In January 2017, it was announced that the Rothera Research Station will receive £100m in funding from the government. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
British Antarctic Survey
The British Antarctic Survey (BAS) is the United Kingdom's national polar research institute. It has a dual purpose, to conduct polar science, enabling better understanding of global issues, and to provide an active presence in the Antarctic on behalf of the UK. It is part of the Natural Environment Research Council (NERC). With over 400 staff, BAS takes an active role in Antarctic affairs, operating five research stations, one ship and five aircraft in both polar regions, as well as addressing key global and regional issues. This involves joint research projects with over 40 UK universities and more than 120 national and international collaborations. Having taken shape from activities during World War II, it was known as the Falkland Islands Dependencies Survey until 1962. History Operation Tabarin was a small British expedition in 1943 to establish permanently occupied bases in the Antarctic. It was a joint undertaking by the Admiralty and the Colonial Office. At the end of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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