Qidong City, Qidong
Qidong may refer to: * Qidong, Jiangsu (), formerly Qidong County, county-level city of Nantong, Jiangsu **Qidong (meteorite), a meteorite that fell in Qidong, Jiangsu in 1982 *Qidong County Qidong County () is a county and the 8th most populous county-level division in the Province of Hunan, China; it is under the administration of Hengyang prefecture-level city. The county was formed from the eastern part of Qiyang County in Apri ...

Qidong, Jiangsu
Qidong is a county-level city under the administration of the prefecture-level city of Nantong in southeastern Jiangsu province, China. It is located on the north side of the Yangtze River opposite Shanghai and forms a peninsula jutting out into the East China Sea. It has a population of 1.12 million. The center of the city is named Huilong Township. It also has a well-known fishing port called Lüsi town, named after Lü Dongbin, one of the eight immortals, who is said to have visited the place four times. Qidong's Qilong township was formerly a separate island in the Yangtze called Yonglongsha but now forms a pene-enclave on Chongming Island, most of which belongs to Shanghai. History The area of present-day Qidong was part of the East China Sea until the Han dynasty, when deposition from the Yangtze River began to form islands, notably including Dongbuzhou ( t , s , p ''Dōngbùzhōu'') at the site of present-day Lüsi. In the Tang Dynasty, prisoners ...
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Qidong (meteorite)
Qidong is a L/LL5-an chondrite meteorite fallen in 1982 in China. After detonation a single individual specimen was found in the field. Other circumstances of fall and recovery were not reported. Composition and classification This meteorite is intermediate between L and LL ordinary chondrites, possibly indicating formation on a separate parent body.Kallemeyn G. W., Rubin A. E., Wang D., and Wasson J. T. ''Ordinary chondrites: Bulk compositions, classification, lithophile-element fractionations, and composition-petrographic type relationships.'' 1989, Geochim. Cosmochim. Acta, 53, 2747–2767. Its fayalite, ferrosilite place this stone at the extreme higher end of L chondrites, the metal content is typical of LL chondrites and the Co abundance in matrix kamacite (15 mg/g) is at the extreme lower end of LL chondrites. See also * Glossary of meteoritics * Meteorite A meteorite is a solid piece of debris from an object, such as a comet, asteroid, or meteoroid, that ...
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