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Northwest Africa 7034
Northwest Africa 7034 is a Martian meteorite believed to be the second oldest yet discovered.〔Associated Press (January 4, 2013). (Mars meteorite 'Black Beauty' contains most water of any found on Earth, say scientists. ) ''The Guardian''〕 It is estimated to be two billion years old and contains the most water of any Martian meteorite found on earth. Although it is from Mars it does not fit into any of the three SNC meteorite categories, and forms a new Martian meteorite group named "Martian (basaltic breccia)".〔 Nicknamed "Black Beauty", it was purchased in Morocco and a slice of it was donated to the University of New Mexico by its American owner.〔
==Discovery and naming==
The meteorite was found in the Sahara Desert in 2011 and was purchased in Morocco by a meteorite dealer who sold it to a collector in the United States.〔 For this reason the exact geographic coordinates of the find location are unknown. Like all meteorites that are found in large numbers or sold at markets the name stands for the geographic region (Northwest Africa) and a number, which is given out consecutively. NWA 7034 carries the nickname "Black Beauty".〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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