Aliskerovo
Encyclopedia
Aliskerovo is an inhabited locality (an urban-type settlement
) in Bilibinsky District
of Chukotka Autonomous Okrug
, Russia
. Population: 7 (2002 Census
); The 2002 census data shows the population to consist of five males and two females, though the population had fallen to just 5 by 2005 according to an environmental impact study on the Kupol Gold Project.
By 1968, the settlement had a population of around 2,300 inhabitants. By 1998, however, it was mostly depopulated. As of 2009, Aliskerovo is included in the list of settlements currently in the process of being liquidated.
was recovered here on July 10, 1977. The meteorite was discovered in alluvium approximately 200,000 years old. It weighed 58.4 kilograms (128.7 lb) and was classified by the Natural History Museum
as a medium Octahedrite
, containing (mineral composition determined by X-ray spectral microanalysis): 9.25% nickel
, 0.42% cobalt
, and 0.30% phosphorus
. Some of its structural features testify to repeated metamorphic influences (impact loads and heating), which occurred during both its extraterrestrial existence and its passage through the atmosphere and fall to Earth including: exhibiting striated kamacite, emulsion-like taenite, and the recrystallization of troilite-daubreelite nodules.
Urban-type settlement
Urban-type settlement ; , selyshche mis'koho typu ) is an official designation for a type of locality used in some of the countries of the former Soviet Union...
) in Bilibinsky District
Bilibinsky District
Bilibinsky District is an administrative and municipal district , one of the six in Chukotka Autonomous Okrug, Russia. It is located in the western portion of the autonomous okrug and in terms of non-municipal divisions borders with Chaunsky District in the northeast, Anadyrsky District in the...
of Chukotka Autonomous Okrug
Chukotka Autonomous Okrug
Chukotka Autonomous Okrug , or Chukotka , is a federal subject of Russia located in the Russian Far East.Chukotka has a population of 53,824 according to the 2002 Census, and a surface area of . The principal town and the administrative center is Anadyr...
, Russia
Russia
Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...
. Population: 7 (2002 Census
Russian Census (2002)
Russian Census of 2002 was the first census of the Russian Federation carried out on October 9 through October 16, 2002. It was carried out by the Russian Federal Service of State Statistics .-Resident population:...
); The 2002 census data shows the population to consist of five males and two females, though the population had fallen to just 5 by 2005 according to an environmental impact study on the Kupol Gold Project.
History
The settlement was founded in 1961 and named after Russian geologist Aziz Aliskerov, who played a significant role in the discovery and mapping of natural resources in this part of Russia.By 1968, the settlement had a population of around 2,300 inhabitants. By 1998, however, it was mostly depopulated. As of 2009, Aliskerovo is included in the list of settlements currently in the process of being liquidated.
Meteorite discovery
A meteoriteMeteorite
A meteorite is a natural object originating in outer space that survives impact with the Earth's surface. Meteorites can be big or small. Most meteorites derive from small astronomical objects called meteoroids, but they are also sometimes produced by impacts of asteroids...
was recovered here on July 10, 1977. The meteorite was discovered in alluvium approximately 200,000 years old. It weighed 58.4 kilograms (128.7 lb) and was classified by the Natural History Museum
Natural History Museum
The Natural History Museum is one of three large museums on Exhibition Road, South Kensington, London, England . Its main frontage is on Cromwell Road...
as a medium Octahedrite
Octahedrite
Octahedrites are a class of iron meteorites within the structural classification. They are the most common class of iron meteorites.They are composed primarily of the nickel-iron alloys: taenite - high nickel content, and kamacite - low nickel content....
, containing (mineral composition determined by X-ray spectral microanalysis): 9.25% nickel
Nickel
Nickel is a chemical element with the chemical symbol Ni and atomic number 28. It is a silvery-white lustrous metal with a slight golden tinge. Nickel belongs to the transition metals and is hard and ductile...
, 0.42% cobalt
Cobalt
Cobalt is a chemical element with symbol Co and atomic number 27. It is found naturally only in chemically combined form. The free element, produced by reductive smelting, is a hard, lustrous, silver-gray metal....
, and 0.30% phosphorus
Phosphorus
Phosphorus is the chemical element that has the symbol P and atomic number 15. A multivalent nonmetal of the nitrogen group, phosphorus as a mineral is almost always present in its maximally oxidized state, as inorganic phosphate rocks...
. Some of its structural features testify to repeated metamorphic influences (impact loads and heating), which occurred during both its extraterrestrial existence and its passage through the atmosphere and fall to Earth including: exhibiting striated kamacite, emulsion-like taenite, and the recrystallization of troilite-daubreelite nodules.