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Bassikounou Meteorite
Bassikounou meteorite is a chondrite meteorite whose fall was observed on October 16, 2006, near the town of Bassikounou, in the Hodh Ech Chargui Region, south-east of Mauritania, near the border with Mali Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the List of African countries by area, eighth-largest country in Africa, with an area of over . The country is bordered to the north by Algeria, to the east b ....Meteoritical Bulletin 92 (2007The Meteoritical Bulletin, No. 92, 2007 September/ref> References {{Reflist Hodh Ech Chargui region Chondrite meteorites ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chondrite
A chondrite is a stony (non-metallic) meteorite that has not been modified by either melting or planetary differentiation, differentiation of the parent body. They are formed when various types of dust and small grains in the early Solar System accreted to form primitive asteroids. Some such bodies that are captured in the planet's gravity well become the most common type of meteorite by arriving on a trajectory toward the planet's surface. Estimates for their contribution to the total meteorite population vary between 85.7% and 86.2%. Their study provides important clues for understanding the origin and age of the Solar System, the synthesis of organic compounds, the Abiogenesis, origin of life and the presence of water on Earth. One of their characteristics is the presence of chondrules (from the Ancient Greek χόνδρος ''chondros'', grain), which are round grains formed in space as molten or partially molten droplets of distinct minerals. Chondrules typically constitute ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Carbonaceous Chondrite
Carbonaceous chondrites or C chondrites are a class of chondritic meteorites comprising at least 8 known groups and many ungrouped meteorites. They include some of the most primitive known meteorites. The C chondrites represent only a small proportion (4.6%) of meteorite falls. Some famous carbonaceous chondrites are: Allende, Murchison, Orgueil, Ivuna, Murray, Tagish Lake, Sutter's Mill, and Winchcombe. General description C chondrites contain a relatively high proportion of carbon (up to 3%), which is in the form of graphite, carbonates and organic compounds, including amino acids. In addition, they contain water and minerals that have been modified by the influence of water. The carbonaceous chondrites were not exposed to higher temperatures, so that they are hardly changed by thermal processes. Some carbonaceous chondrites, such as the Allende meteorite, contain calcium-aluminum-rich inclusions (CAIs). These are compounds that emerged early from the primeval solar n ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mauritania
Mauritania, officially the Islamic Republic of Mauritania, is a sovereign country in Maghreb, Northwest Africa. It is bordered by the Atlantic Ocean to the west, Western Sahara to Mauritania–Western Sahara border, the north and northwest, Algeria to Algeria–Mauritania border, the northeast, Mali to Mali–Mauritania border, the east and southeast, and Senegal to Mauritania–Senegal border, the southwest. By land area Mauritania is the 11th-largest country in Africa and 28th-largest in the world; 90% of its territory is in the Sahara. Most of its population of some 4.3 million lives in the temperate south of the country; roughly a third of the population is concentrated in the capital and largest city, Nouakchott, on the Atlantic coast. The country's name derives from Mauretania, the Latin name for a region in the ancient Maghreb. It extended from central present-day Algeria to the Atlantic. Berbers occupied what is now Mauritania by the beginning of the third centu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hodh Ech Chargui Region
Hodh Ech Chargui () is a large Regions of Mauritania, region in eastern Mauritania, with an area of 182,700 km2. Its capital is Néma, but the largest town, in Bassikounou (department), Bassiknou Department, is Fassala (or Vassale) at the extreme southeast of Mauritania, with 65,927 inhabitants at the 2013 census. The region borders the Mauritanian regions of Adrar Region, Adrar, Tagant Region, Tagant and Hodh El Gharbi Region, Hodh El Gharbi to the west and Mali to the east and south. The Aoukar basin, which formerly gave name to a greater region, is located in the western part of Hodh Ech Chargui. As of 2013, the population of the region was 430,668, compared to 363,071 in 2011. There were 47.71 percent females and 52.29 percent males. As of 2008, the activity rate was 61.50 and economic dependency ratio was 1.11. As of 2008, the literacy rate for people aged 15 years and over was 53.90. The local government is headed by an elected district representative, while the electio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chondrite Meteorite
A chondrite is a stony (non-metallic) meteorite that has not been modified by either melting or differentiation of the parent body. They are formed when various types of dust and small grains in the early Solar System accreted to form primitive asteroids. Some such bodies that are captured in the planet's gravity well become the most common type of meteorite by arriving on a trajectory toward the planet's surface. Estimates for their contribution to the total meteorite population vary between 85.7% and 86.2%. Their study provides important clues for understanding the origin and age of the Solar System, the synthesis of organic compounds, the origin of life and the presence of water on Earth. One of their characteristics is the presence of chondrules (from the Ancient Greek χόνδρος ''chondros'', grain), which are round grains formed in space as molten or partially molten droplets of distinct minerals. Chondrules typically constitute between 20% and 80% of a chondrite by ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bassikounou
Bassiknou or Bassikounou is a town and commune in the Hodh Ech Chargui Region of south-eastern Mauritania. In 2013, it had a population of 10,561. History The region around Bassikounou was a part of the Tichitt culture area. Oral traditions record that the founders of the city of Dia in the Inland Niger Delta originated from there. On October 16, 2006 Bassikounou meteorite fall near the town of Bassikounou. In July 2011, the town was the site of the Battle of Bassikounou, where Mauritanian armed forced defeated the jihadist AQIM group. Mbera refugee camp Bassikounou and its surroundings have hosted tens of thousands of Malian refugees since the conflict there began in 2012, on top of other refugees who have lived there since the 1990s. This influx has stressed limited local resources of food, water, firewood, and grazing land. Refugees in the 92,000-person refugee camp Mbera are supported by World Food Programme The World Food Programme (WFP) is an internat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mali
Mali, officially the Republic of Mali, is a landlocked country in West Africa. It is the List of African countries by area, eighth-largest country in Africa, with an area of over . The country is bordered to the north by Algeria, to the east by Niger, to the northwest by Mauritania, to the south by Burkina Faso and Ivory Coast, and to the west by Guinea and Senegal. The population of Mali is about 23.29 million, 47.19% of which are estimated to be under the age of 15 in 2024. Its Capital city, capital and largest city is Bamako. The country has 13 official languages, of which Bambara language, Bambara is the most commonly spoken. The sovereign state's northern borders reach deep into the middle of the Sahara, Sahara Desert. The country's southern part, where the majority of inhabitants live, is in the Sudanian savanna and has the Niger River, Niger and Senegal River, Senegal rivers running through it. The country's economy centres on agriculture and mining with its most promine ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Meteoritical Bulletin
The Meteoritical Society is a non-profit scholarly organization founded in 1933 to promote research and education in planetary science with emphasis on studies of meteorites and other extraterrestrial materials that further our understanding of the origin and history of the Solar System. Members The membership of the society comprises over 1,000 scientists and amateur enthusiasts from over 52 countries who are interested in a wide range of planetary science topics. Members interests include meteorites, cosmic dust, asteroids and comets, natural satellites, planets, impact events, and the origins of the Solar System. Activities The Meteoritical Society is the organization that records all known meteorites in its '' Meteoritical Bulletin''. The Society also publishes one of the world's leading planetary science journals, ''Meteoritics & Planetary Science'', and is a cosponsor with the Geochemical Society of the renowned journal ''Geochimica et Cosmochimica Acta''. The Society prese ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hodh Ech Chargui Region
Hodh Ech Chargui () is a large Regions of Mauritania, region in eastern Mauritania, with an area of 182,700 km2. Its capital is Néma, but the largest town, in Bassikounou (department), Bassiknou Department, is Fassala (or Vassale) at the extreme southeast of Mauritania, with 65,927 inhabitants at the 2013 census. The region borders the Mauritanian regions of Adrar Region, Adrar, Tagant Region, Tagant and Hodh El Gharbi Region, Hodh El Gharbi to the west and Mali to the east and south. The Aoukar basin, which formerly gave name to a greater region, is located in the western part of Hodh Ech Chargui. As of 2013, the population of the region was 430,668, compared to 363,071 in 2011. There were 47.71 percent females and 52.29 percent males. As of 2008, the activity rate was 61.50 and economic dependency ratio was 1.11. As of 2008, the literacy rate for people aged 15 years and over was 53.90. The local government is headed by an elected district representative, while the electio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
